[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: Fri, 23 Sep 2011 11:40:12 +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:                              377687
          Prefixes after maximum aggregation:                          169241
          Deaggregation factor:                                          2.23
          Unique aggregates announced to Internet:                     185048
      Total ASes present in the Internet Routing Table:                 38870
          Prefixes per ASN:                                              9.72
      Origin-only ASes present in the Internet Routing Table:           32240
      Origin ASes announcing only one prefix:                           15489
      Transit ASes present in the Internet Routing Table:                5206
      Transit-only ASes present in the Internet Routing Table:            139
      Average AS path length visible in the Internet Routing Table:       4.0
          Max AS path length visible:                                      32
          Max AS path prepend of ASN (36992)                               22
      Prefixes from unregistered ASNs in the Routing Table:              4644
          Unregistered ASNs in the Routing Table:                         771
      Number of 32-bit ASNs allocated by the RIRs:                       1757
      Number of 32-bit ASNs visible in the Routing Table:                1424
      Prefixes from 32-bit ASNs in the Routing Table:                    3274
      Special use prefixes present in the Routing Table:                   82
      Prefixes being announced from unallocated address space:             99
      Number of addresses announced to Internet:                   2480146070
          Equivalent to 147 /8s, 212 /16s and 6 /24s
          Percentage of available address space announced:               66.9
          Percentage of allocated address space announced:               66.9
          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:      156787
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    92014
          Total APNIC prefixes after maximum aggregation:               29569
          APNIC Deaggregation factor:                                    3.11
      Prefixes being announced from the APNIC address blocks:           88640
          Unique aggregates announced from the APNIC address blocks:    38156
      APNIC Region origin ASes present in the Internet Routing Table:    4559
          APNIC Prefixes per ASN:                                       19.44
      APNIC Region origin ASes announcing only one prefix:               1268
      APNIC Region transit ASes present in the Internet Routing Table:    714
      Average APNIC Region AS path length visible:                        4.3
          Max APNIC Region AS path length visible:                         20
      Number of APNIC region 32-bit ASNs visible in the Routing Table:     88
      Number of APNIC addresses announced to Internet:              628076800
          Equivalent to 37 /8s, 111 /16s and 177 /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:                    147221
          Total ARIN prefixes after maximum aggregation:                75840
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           118986
          Unique aggregates announced from the ARIN address blocks:     47955
      ARIN Region origin ASes present in the Internet Routing Table:    14695
          ARIN Prefixes per ASN:                                         8.10
      ARIN Region origin ASes announcing only one prefix:                5651
      ARIN Region transit ASes present in the Internet Routing Table:    1533
      Average ARIN Region AS path length visible:                         3.5
          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:               804947356
          Equivalent to 47 /8s, 250 /16s and 133 /24s
          Percentage of available ARIN address space announced:          64.0
      
      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:                     91046
          Total RIPE prefixes after maximum aggregation:                50398
          RIPE Deaggregation factor:                                     1.81
      Prefixes being announced from the RIPE address blocks:            82989
          Unique aggregates announced from the RIPE address blocks:     54008
      RIPE Region origin ASes present in the Internet Routing Table:    15993
          RIPE Prefixes per ASN:                                         5.19
      RIPE Region origin ASes announcing only one prefix:                7963
      RIPE Region transit ASes present in the Internet Routing Table:    2525
      Average RIPE Region AS path length visible:                         4.3
          Max RIPE Region AS path length visible:                          32
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    1010
      Number of RIPE addresses announced to Internet:               489946828
          Equivalent to 29 /8s, 51 /16s and 254 /24s
          Percentage of available RIPE address space announced:          78.9
      
      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:                   35519
          Total LACNIC prefixes after maximum aggregation:               7802
          LACNIC Deaggregation factor:                                   4.55
      Prefixes being announced from the LACNIC address blocks:          34714
          Unique aggregates announced from the LACNIC address blocks:   17918
      LACNIC Region origin ASes present in the Internet Routing Table:   1526
          LACNIC Prefixes per ASN:                                      22.75
      LACNIC Region origin ASes announcing only one prefix:               452
      LACNIC Region transit ASes present in the Internet Routing Table:   271
      Average LACNIC Region AS path length visible:                       4.6
          Max LACNIC Region AS path length visible:                        20
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   311
      Number of LACNIC addresses announced to Internet:              89224200
          Equivalent to 5 /8s, 81 /16s and 116 /24s
          Percentage of available LACNIC address space announced:        59.1
      
      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:                   8416
          Total AfriNIC prefixes after maximum aggregation:              2008
          AfriNIC Deaggregation factor:                                  4.19
      Prefixes being announced from the AfriNIC address blocks:          6523
          Unique aggregates announced from the AfriNIC address blocks:   1984
      AfriNIC Region origin ASes present in the Internet Routing Table:   486
          AfriNIC Prefixes per ASN:                                     13.42
      AfriNIC Region origin ASes announcing only one prefix:              155
      AfriNIC Region transit ASes present in the Internet Routing Table:  102
      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:    3
      Number of AfriNIC addresses announced to Internet:             27331328
          Equivalent to 1 /8s, 161 /16s and 11 /24s
          Percentage of available AfriNIC address space announced:       40.7
      
      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     1991        516          31   PT TELEKOMUNIKASI INDONESIA
       4766     1941      11056         650   Korea Telecom (KIX)
       7545     1596        303          86   TPG Internet Pty Ltd
       4755     1550        634         165   Videsh Sanchar Nigam Ltd. Aut
       7552     1416       1064           7   Vietel Corporation
      24560     1182        337         194   Bharti Airtel Ltd.
       9829     1158        989          28   BSNL National Internet Backbo
       4808     1093       2125         311   CNCGROUP IP network: China169
       9583     1084         80         501   Sify Limited
      17488      951        188         160   Hathway IP Over Cable Interne
      
      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     1913        365         238   Covad Communications 
       1785     1826        680         124   AppliedTheory Corporation 
       7029     1722       1018         218   Windstream Communications Inc
       4323     1626       1101         394   Time Warner Telecom
      20115     1596       1543         633   Charter Communications 
      22773     1462       2907          99   Cox Communications, Inc.
      30036     1418        263         679   Mediacom Communications Corp 
      19262     1395       4726         403   Verizon Global Networks 
       7018     1337       7051         874   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     1064        824         199   KPNQwest Backbone AS
       8402      741        352          13   Corbina telecom
      34984      566        108         181   Tellcom Iletisim Hizmetleri
      20940      549        184         424   Akamai Technologies European 
       9116      540        326          31   Goldenlines main autonomous s
       6830      534       1813         325   UPC Distribution Services
       3292      528       2082         407   TDC Tele Danmark
       3320      493       8167         381   Deutsche Telekom AG
      12479      474        594           8   Uni2 Autonomous System
       8866      462        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     1679        309         156   TVCABLE BOGOTA 
       8151     1461       2806         349   Uninet S.A. de C.V.
      28573     1335       1013          70   Types of queries are: POCs, o
       7303     1156        678         170   Telecom Argentina Stet-France
      14420      734         58          88   Types of queries are: POCs, o
       6503      591        450          70   AVANTEL, S.A. 
      27947      582         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      812        147          43   LINKdotNET AS number
       8452      708        445          11   TEDATA
      15475      451         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      190         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. 
      23456     3274        775        1769   >>UNKNOWN<<
      17974     1991        516          31   PT TELEKOMUNIKASI INDONESIA
       4766     1941      11056         650   Korea Telecom (KIX)
      18566     1913        365         238   Covad Communications 
       1785     1826        680         124   AppliedTheory Corporation 
       7029     1722       1018         218   Windstream Communications Inc
      10620     1679        309         156   TVCABLE BOGOTA 
       4323     1626       1101         394   Time Warner Telecom
       7545     1596        303          86   TPG Internet Pty Ltd
      
      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      1991        1960      PT TELEKOMUNIKASI INDONESIA
       1785      1826        1702      AppliedTheory Corporation 
      18566      1913        1675      Covad Communications 
      10620      1679        1523      TVCABLE BOGOTA 
       7545      1596        1510      TPG Internet Pty Ltd
      23456      3274        1505      >>UNKNOWN<<
       7029      1722        1504      Windstream Communications Inc
       7552      1416        1409      Vietel Corporation
       4755      1550        1385      Videsh Sanchar Nigam Ltd. Aut
      22773      1462        1363      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<<
      46.18.104.0/21       23456     >>UNKNOWN<<
      50.115.224.0/20      27257     Webair Internet Development I
      
      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        /8:19       /9:12      /10:27      /11:81      /12:235     
      /13:464     /14:808     /15:1450    /16:12100   /17:6243    /18:10333   
      /19:20356   /20:28225   /21:27536   /22:36892   /23:35447   /24:195647  
      /25:74      /26:89      /27:123     /28:297     /29:105     /30:556     
      /31:73      /32:495     
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2198          3561      bellsouth.net, inc. 
      18566     1869          1913      Covad Communications 
      10620     1574          1679      TVCABLE BOGOTA 
      23456     1563          3274      >>UNKNOWN<<
       7029     1411          1722      Windstream Communications Inc
      30036     1375          1418      Mediacom Communications Corp 
      11492     1113          1151      Cable One 
       7011     1058          1183      Citizens Utilities 
       1785     1053          1826      AppliedTheory Corporation 
      22773      951          1462      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:382       2:198       4:19        5:1         6:3         8:353    
        12:1960     13:1        14:543      15:13       16:3        17:7      
        20:10       23:35       24:1686     27:943      31:543      32:149    
        33:4        34:2        36:4        38:745      40:108      41:2565   
        42:48       44:3        46:994      47:3        49:250      50:422    
        52:13       54:2        55:7        56:2        57:45       58:882    
        59:492      60:376      61:1182     62:1101     63:1962     64:4103   
        65:2306     66:4014     67:1980     68:1290     69:3305     70:862    
        71:377      72:1888     73:1        74:2512     75:361      76:349    
        77:872      78:745      79:490      80:1118     81:843      82:517    
        83:525      84:638      85:1091     86:416      87:875      88:357    
        89:1568     90:268      91:4124     92:533      93:1249     94:1328   
        95:857      96:440      97:275      98:947      99:37      101:209    
       103:314     106:70      107:52      108:82      109:1038    110:669    
       111:783     112:322     113:444     114:568     115:696     116:918    
       117:711     118:900     119:1214    120:333     121:703     122:1605   
       123:1008    124:1359    125:1393    128:245     129:181     130:166    
       131:579     132:120     133:21      134:217     135:53      136:212    
       137:139     138:288     139:122     140:493     141:279     142:391    
       143:409     144:482     145:60      146:472     147:226     148:694    
       149:258     150:153     151:191     152:448     153:177     154:6      
       155:394     156:203     157:360     158:145     159:462     160:325    
       161:207     162:339     163:177     164:507     165:403     166:537    
       167:435     168:750     169:147     170:860     171:84      172:1      
       173:1671    174:658     175:409     176:203     177:276     178:1016   
       180:1090    181:30      182:630     183:219     184:383     185:1      
       186:1456    187:672     188:945     189:851     190:5164    192:5943   
       193:5028    194:3553    195:3088    196:1231    197:176     198:3600   
       199:4136    200:5526    201:1639    202:8549    203:8498    204:4263   
       205:2358    206:2739    207:2841    208:4153    209:3557    210:2729   
       211:1471    212:2133    213:1785    214:778     215:76      216:4937   
       217:1609    218:555     219:340     220:1230    221:514     222:343    
       223:264    
      
      End of report