[bgp-stats] Routing Table Report - RouteViews-3 view

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  • Subject: [bgp-stats] Routing Table Report - RouteViews-3 view
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Wed, 28 Sep 2011 11:43:55 +1000 (EST)
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      NB: RouteViews data includes iBGP information from some ASNs.
          Treat the information provided below appropriately.
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/rviews/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              378448
          Prefixes after maximum aggregation:                          169492
          Deaggregation factor:                                          2.23
          Unique aggregates announced to Internet:                     180459
      Total ASes present in the Internet Routing Table:                 38925
          Prefixes per ASN:                                              9.72
      Origin-only ASes present in the Internet Routing Table:           32241
      Origin ASes announcing only one prefix:                           15488
      Transit ASes present in the Internet Routing Table:                5242
      Transit-only ASes present in the Internet Routing Table:            142
      Average AS path length visible in the Internet Routing Table:       4.1
          Max AS path length visible:                                      32
          Max AS path prepend of ASN (36992)                               22
      Prefixes from unregistered ASNs in the Routing Table:              4708
          Unregistered ASNs in the Routing Table:                         795
      Number of 32-bit ASNs allocated by the RIRs:                       1774
      Number of 32-bit ASNs visible in the Routing Table:                1442
      Prefixes from 32-bit ASNs in the Routing Table:                    3300
      Special use prefixes present in the Routing Table:                   82
      Prefixes being announced from unallocated address space:             97
      Number of addresses announced to Internet:                   2482061462
          Equivalent to 147 /8s, 241 /16s and 64 /24s
          Percentage of available address space announced:               67.0
          Percentage of allocated address space announced:               67.0
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               91.4
      Total number of prefixes smaller than registry allocations:      157343
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    92054
          Total APNIC prefixes after maximum aggregation:               29589
          APNIC Deaggregation factor:                                    3.11
      Prefixes being announced from the APNIC address blocks:           88677
          Unique aggregates announced from the APNIC address blocks:    38051
      APNIC Region origin ASes present in the Internet Routing Table:    4558
          APNIC Prefixes per ASN:                                       19.46
      APNIC Region origin ASes announcing only one prefix:               1264
      APNIC Region transit ASes present in the Internet Routing Table:    717
      Average APNIC Region AS path length visible:                        4.3
          Max APNIC Region AS path length visible:                         23
      Number of APNIC region 32-bit ASNs visible in the Routing Table:     89
      Number of APNIC addresses announced to Internet:              628165888
          Equivalent to 37 /8s, 113 /16s and 13 /24s
          Percentage of available APNIC address space announced:         79.7
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                             58368-59391, 131072-132095, 132096-133119
      APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                              49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                             106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                             116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                             123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
                             182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
                             219/8, 220/8, 221/8, 222/8, 223/8,
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                    147257
          Total ARIN prefixes after maximum aggregation:                75911
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           119034
          Unique aggregates announced from the ARIN address blocks:     43185
      ARIN Region origin ASes present in the Internet Routing Table:    14709
          ARIN Prefixes per ASN:                                         8.09
      ARIN Region origin ASes announcing only one prefix:                5650
      ARIN Region transit ASes present in the Internet Routing Table:    1550
      Average ARIN Region AS path length visible:                         3.7
          Max ARIN Region AS path length visible:                          22
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      12
      Number of ARIN addresses announced to Internet:               806174364
          Equivalent to 48 /8s, 13 /16s and 62 /24s
          Percentage of available ARIN address space announced:          64.1
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                             3354-4607, 4865-5119, 5632-6655, 6912-7466
                             7723-8191, 10240-12287, 13312-15359, 16384-17407
                             18432-20479, 21504-23551, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863, 39936-40959, 46080-47103
                             53248-55295, 393216-394239
      ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                              12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                              20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                              29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                              40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                              53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                              65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                              72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                              98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
                             174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
                             208/8, 209/8, 214/8, 215/8, 216/8,
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     91599
          Total RIPE prefixes after maximum aggregation:                50485
          RIPE Deaggregation factor:                                     1.81
      Prefixes being announced from the RIPE address blocks:            83465
          Unique aggregates announced from the RIPE address blocks:     54104
      RIPE Region origin ASes present in the Internet Routing Table:    16007
          RIPE Prefixes per ASN:                                         5.21
      RIPE Region origin ASes announcing only one prefix:                7969
      RIPE Region transit ASes present in the Internet Routing Table:    2529
      Average RIPE Region AS path length visible:                         4.4
          Max RIPE Region AS path length visible:                          32
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    1023
      Number of RIPE addresses announced to Internet:               490139084
          Equivalent to 29 /8s, 54 /16s and 237 /24s
          Percentage of available RIPE address space announced:          79.0
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
      (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                             6656-6911, 8192-9215, 12288-13311, 15360-16383
                             20480-21503, 24576-25599, 28672-29695
                             30720-31743, 33792-35839, 38912-39935
                             40960-45055, 47104-52223, 56320-58367
                             196608-198655
      RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                              62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                              83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                              90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                             176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
                             213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   35565
          Total LACNIC prefixes after maximum aggregation:               7825
          LACNIC Deaggregation factor:                                   4.55
      Prefixes being announced from the LACNIC address blocks:          34779
          Unique aggregates announced from the LACNIC address blocks:   17949
      LACNIC Region origin ASes present in the Internet Routing Table:   1530
          LACNIC Prefixes per ASN:                                      22.73
      LACNIC Region origin ASes announcing only one prefix:               452
      LACNIC Region transit ASes present in the Internet Routing Table:   275
      Average LACNIC Region AS path length visible:                       4.7
          Max LACNIC Region AS path length visible:                        20
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   314
      Number of LACNIC addresses announced to Internet:              89371912
          Equivalent to 5 /8s, 83 /16s and 181 /24s
          Percentage of available LACNIC address space announced:        59.2
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 plus ERX transfers
      LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                             200/8, 201/8,
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   8473
          Total AfriNIC prefixes after maximum aggregation:              2009
          AfriNIC Deaggregation factor:                                  4.22
      Prefixes being announced from the AfriNIC address blocks:          6577
          Unique aggregates announced from the AfriNIC address blocks:   2004
      AfriNIC Region origin ASes present in the Internet Routing Table:   488
          AfriNIC Prefixes per ASN:                                     13.48
      AfriNIC Region origin ASes announcing only one prefix:              153
      AfriNIC Region transit ASes present in the Internet Routing Table:  103
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       24
      Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    4
      Number of AfriNIC addresses announced to Internet:             27354624
          Equivalent to 1 /8s, 161 /16s and 102 /24s
          Percentage of available AfriNIC address space announced:       40.8
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
      AfriNIC Address Blocks  41/8, 102/8, 105/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      17974     2004        519          33   PT TELEKOMUNIKASI INDONESIA
       4766     1939      11056         650   Korea Telecom (KIX)
       7545     1604        303          86   TPG Internet Pty Ltd
       4755     1540        634         174   Videsh Sanchar Nigam Ltd. Aut
       7552     1392       1064           7   Vietel Corporation
      24560     1181        337         193   Bharti Airtel Ltd.
       9829     1159        989          28   BSNL National Internet Backbo
       4808     1092       2125         312   CNCGROUP IP network: China169
       9583     1086         80         502   Sify Limited
      18101      951        118         141   Reliance Infocom Ltd Internet
      
      Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-APNIC
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3561       3817         226   bellsouth.net, inc. 
      18566     1915        366         239   Covad Communications 
       1785     1828        680         124   AppliedTheory Corporation 
       7029     1732       1018         219   Windstream Communications Inc
       4323     1624       1098         391   Time Warner Telecom
      20115     1594       1543         636   Charter Communications 
      22773     1459       2907          99   Cox Communications, Inc.
      30036     1413        263         674   Mediacom Communications Corp 
      19262     1394       4728         400   Verizon Global Networks 
       7018     1340       7051         871   AT&T WorldNet Services
      
      Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        286     1062        824         199   KPNQwest Backbone AS
       8402     1060        352          13   Corbina telecom
      34984      574        108         178   Tellcom Iletisim Hizmetleri
      20940      543        182         418   Akamai Technologies European 
       9116      540        326          31   Goldenlines main autonomous s
       6830      534       1813         325   UPC Distribution Services
       3292      530       2082         408   TDC Tele Danmark
       3320      501       8169         383   Deutsche Telekom AG
      12479      476        594           8   Uni2 Autonomous System
       8866      461        133          26   Bulgarian Telecommunication C
      
      Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-RIPE
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      10620     1681        310         155   TVCABLE BOGOTA 
       8151     1456       2805         349   Uninet S.A. de C.V.
      28573     1355       1013          70   Types of queries are: POCs, o
       7303     1163        682         174   Telecom Argentina Stet-France
      14420      736         58          88   Types of queries are: POCs, o
       6503      587        450          70   AVANTEL, S.A. 
      27947      585         56          76   Telconet S.A
      22047      580        322          17   Types of queries are: POCs, o
      10481      548        430          20   Prima S.A. 
       3816      535        232          98   COLOMBIA TELECOMUNICACIONES S
      
      Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      24863      811        147          43   LINKdotNET AS number
       8452      711        445          11   TEDATA
      15475      450         74           8   Nile Online
      36992      293        415          14   Etisalat MISR
       3741      274        938         229   The Internet Solution 
      15706      244         32           6   Sudatel Internet Exchange Aut
       6713      242        519          14   Itissalat Al-MAGHRIB
      33776      239         13           8   Starcomms Nigeria Limited
      12258      199         28          59   YEBO-AS
      29571      192         17          11   Ci Telecom Autonomous system 
      
      Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-AFRINIC
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3561       3817         226   bellsouth.net, inc. 
      17974     2004        519          33   PT TELEKOMUNIKASI INDONESIA
       4766     1939      11056         650   Korea Telecom (KIX)
      18566     1915        366         239   Covad Communications 
       1785     1828        680         124   AppliedTheory Corporation 
       7029     1732       1018         219   Windstream Communications Inc
      10620     1681        310         155   TVCABLE BOGOTA 
       4323     1624       1098         391   Time Warner Telecom
       7545     1604        303          86   TPG Internet Pty Ltd
      20115     1594       1543         636   Charter Communications 
      
      Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
      17974      2004        1971      PT TELEKOMUNIKASI INDONESIA
       1785      1828        1704      AppliedTheory Corporation 
      18566      1915        1676      Covad Communications 
      10620      1681        1526      TVCABLE BOGOTA 
       7545      1604        1518      TPG Internet Pty Ltd
       7029      1732        1513      Windstream Communications Inc
      23456      3300        1507      >>UNKNOWN<<
       7552      1392        1385      Vietel Corporation
       4755      1540        1366      Videsh Sanchar Nigam Ltd. Aut
      22773      1459        1360      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/rviews/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      15132   UNALLOCATED  12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED  12.14.170.0/24        7018       AT&T WorldNet Servic
      32567   UNALLOCATED  12.25.107.0/24        4323       Time Warner Telecom
      26973   UNALLOCATED  12.39.152.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED  12.39.154.0/23        1239       Sprint 
      26973   UNALLOCATED  12.39.155.0/24        1239       Sprint 
      26973   UNALLOCATED  12.39.159.0/24        1239       Sprint 
      25639   UNALLOCATED  12.41.169.0/24        7018       AT&T WorldNet Servic
      13317   UNALLOCATED  12.44.10.0/24         7018       AT&T WorldNet Servic
      23502   UNALLOCATED  12.44.44.0/24         7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.rand.apnic.net/rviews/data-badAS
      
      Prefixes from private and non-routed address space (Global)
      -----------------------------------------------------------
      
      Prefix             Origin AS  Description
      10.29.244.56/29        286     KPNQwest Backbone AS
      10.29.245.1/32         286     KPNQwest Backbone AS
      10.29.245.2/32         286     KPNQwest Backbone AS
      10.29.245.15/32        286     KPNQwest Backbone AS
      10.29.245.19/32        286     KPNQwest Backbone AS
      10.29.245.20/32        286     KPNQwest Backbone AS
      10.29.245.21/32        286     KPNQwest Backbone AS
      10.29.245.22/32        286     KPNQwest Backbone AS
      10.29.245.25/32        286     KPNQwest Backbone AS
      10.29.245.26/32        286     KPNQwest Backbone AS
      
      Complete listing at http://thyme.rand.apnic.net/rviews/data-dsua
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.225.128.0/18      36377     Comcast Telecommunications, I
      24.225.192.0/23      36377     Comcast Telecommunications, I
      24.225.192.0/18      36377     Comcast Telecommunications, I
      24.225.224.0/21      36377     Comcast Telecommunications, I
      24.225.237.0/24      36377     Comcast Telecommunications, I
      24.225.248.0/21      36377     Comcast Telecommunications, I
      41.222.79.0/24       36938     >>UNKNOWN<<
      41.223.92.0/22       36936     >>UNKNOWN<<
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      62.61.221.0/24       24974     Tachyon Europe BV - Wireless 
      
      Complete listing at http://thyme.rand.apnic.net/rviews/data-add-IANA
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:21       /9:12      /10:27      /11:81      /12:235     
      /13:464     /14:808     /15:1452    /16:12111   /17:6243    /18:10336   
      /19:20375   /20:28213   /21:27589   /22:37048   /23:35437   /24:196195  
      /25:74      /26:88      /27:121     /28:293     /29:104     /30:554     
      /31:73      /32:494     
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2197          3561      bellsouth.net, inc. 
      18566     1870          1915      Covad Communications 
      10620     1576          1681      TVCABLE BOGOTA 
      23456     1576          3300      #
       7029     1421          1732      Windstream Communications Inc
      30036     1370          1413      Mediacom Communications Corp 
      11492     1115          1153      Cable One 
       7011     1060          1185      Citizens Utilities 
       1785     1052          1828      AppliedTheory Corporation 
       8402     1007          1060      Corbina telecom
      
      Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:383       2:319       4:19        5:1         6:3         8:354    
        12:1964     13:1        14:534      15:13       16:3        17:8      
        20:9        23:35       24:1690     27:942      31:555      32:149    
        33:4        34:2        36:4        38:749      40:108      41:2589   
        42:49       44:3        46:993      47:3        49:262      50:428    
        52:13       54:2        55:3        56:2        57:47       58:884    
        59:493      60:364      61:1180     62:1100     63:1962     64:4096   
        65:2305     66:4015     67:1974     68:1294     69:3307     70:861    
        71:377      72:1885     73:1        74:2509     75:361      76:349    
        77:875      78:814      79:492      80:1130     81:853      82:514    
        83:557      84:638      85:1091     86:417      87:884      88:357    
        89:1611     90:268      91:4137     92:535      93:1308     94:1294   
        95:926      96:439      97:276      98:933      99:37      101:209    
       103:325     106:70      107:53      108:80      109:1044    110:674    
       111:790     112:323     113:450     114:571     115:697     116:909    
       117:706     118:901     119:1213    120:335     121:700     122:1610   
       123:1013    124:1339    125:1393    128:245     129:181     130:166    
       131:583     132:115     133:21      134:215     135:54      136:213    
       137:138     138:288     139:133     140:495     141:290     142:391    
       143:413     144:489     145:61      146:473     147:226     148:694    
       149:261     150:153     151:193     152:446     153:177     154:6      
       155:388     156:207     157:362     158:146     159:463     160:323    
       161:204     162:340     163:177     164:508     165:403     166:538    
       167:434     168:746     169:148     170:864     171:83      172:1      
       173:1661    174:653     175:412     176:217     177:283     178:1030   
       180:1092    181:37      182:631     183:223     184:368     185:1      
       186:1468    187:674     188:928     189:844     190:5173    192:5943   
       193:5031    194:3552    195:3098    196:1235    197:176     198:3608   
       199:4139    200:5523    201:1636    202:8569    203:8494    204:4263   
       205:2363    206:2735    207:2833    208:4168    209:3542    210:2729   
       211:1469    212:2134    213:1784    214:778     215:75      216:4952   
       217:1612    218:565     219:339     220:1231    221:511     222:344    
       223:263    
      
      End of report