[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: Sun, 25 Sep 2011 11:41:46 +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:                              378244
          Prefixes after maximum aggregation:                          169424
          Deaggregation factor:                                          2.23
          Unique aggregates announced to Internet:                     185263
      Total ASes present in the Internet Routing Table:                 38891
          Prefixes per ASN:                                              9.73
      Origin-only ASes present in the Internet Routing Table:           32228
      Origin ASes announcing only one prefix:                           15492
      Transit ASes present in the Internet Routing Table:                5234
      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:              4669
          Unregistered ASNs in the Routing Table:                         782
      Number of 32-bit ASNs allocated by the RIRs:                       1767
      Number of 32-bit ASNs visible in the Routing Table:                1429
      Prefixes from 32-bit ASNs in the Routing Table:                    3267
      Special use prefixes present in the Routing Table:                   82
      Prefixes being announced from unallocated address space:             97
      Number of addresses announced to Internet:                   2480608662
          Equivalent to 147 /8s, 219 /16s and 21 /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:      157171
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    92032
          Total APNIC prefixes after maximum aggregation:               29588
          APNIC Deaggregation factor:                                    3.11
      Prefixes being announced from the APNIC address blocks:           88656
          Unique aggregates announced from the APNIC address blocks:    38165
      APNIC Region origin ASes present in the Internet Routing Table:    4551
          APNIC Prefixes per ASN:                                       19.48
      APNIC Region origin ASes announcing only one prefix:               1264
      APNIC Region transit ASes present in the Internet Routing Table:    715
      Average APNIC Region AS path length visible:                        4.3
          Max APNIC Region AS path length visible:                         22
      Number of APNIC region 32-bit ASNs visible in the Routing Table:     88
      Number of APNIC addresses announced to Internet:              628064256
          Equivalent to 37 /8s, 111 /16s and 128 /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:                    147253
          Total ARIN prefixes after maximum aggregation:                75897
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           119066
          Unique aggregates announced from the ARIN address blocks:     47951
      ARIN Region origin ASes present in the Internet Routing Table:    14701
          ARIN Prefixes per ASN:                                         8.10
      ARIN Region origin ASes announcing only one prefix:                5657
      ARIN Region transit ASes present in the Internet Routing Table:    1547
      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:               805085084
          Equivalent to 47 /8s, 252 /16s and 159 /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:                     91433
          Total RIPE prefixes after maximum aggregation:                50480
          RIPE Deaggregation factor:                                     1.81
      Prefixes being announced from the RIPE address blocks:            83311
          Unique aggregates announced from the RIPE address blocks:     54120
      RIPE Region origin ASes present in the Internet Routing Table:    16001
          RIPE Prefixes per ASN:                                         5.21
      RIPE Region origin ASes announcing only one prefix:                7962
      RIPE Region transit ASes present in the Internet Routing Table:    2531
      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:    1016
      Number of RIPE addresses announced to Internet:               490096076
          Equivalent to 29 /8s, 54 /16s and 69 /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:                   35557
          Total LACNIC prefixes after maximum aggregation:               7816
          LACNIC Deaggregation factor:                                   4.55
      Prefixes being announced from the LACNIC address blocks:          34743
          Unique aggregates announced from the LACNIC address blocks:   17912
      LACNIC Region origin ASes present in the Internet Routing Table:   1530
          LACNIC Prefixes per ASN:                                      22.71
      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:                       4.7
          Max LACNIC Region AS path length visible:                        20
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   309
      Number of LACNIC addresses announced to Internet:              89319432
          Equivalent to 5 /8s, 82 /16s and 232 /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:                   8504
          Total AfriNIC prefixes after maximum aggregation:              2007
          AfriNIC Deaggregation factor:                                  4.24
      Prefixes being announced from the AfriNIC address blocks:          6588
          Unique aggregates announced from the AfriNIC address blocks:   1995
      AfriNIC Region origin ASes present in the Internet Routing Table:   489
          AfriNIC Prefixes per ASN:                                     13.47
      AfriNIC Region origin ASes announcing only one prefix:              157
      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:    4
      Number of AfriNIC addresses announced to Internet:             27389952
          Equivalent to 1 /8s, 161 /16s and 240 /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     1998        519          33   PT TELEKOMUNIKASI INDONESIA
       4766     1939      11056         650   Korea Telecom (KIX)
       7545     1595        303          85   TPG Internet Pty Ltd
       4755     1551        635         166   Videsh Sanchar Nigam Ltd. Aut
       7552     1398       1064           7   Vietel Corporation
      24560     1182        337         194   Bharti Airtel Ltd.
       9829     1158        989          28   BSNL National Internet Backbo
       4808     1091       2123         311   CNCGROUP IP network: China169
       9583     1085         80         502   Sify Limited
      18101      952        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     3560       3817         226   bellsouth.net, inc. 
      18566     1915        366         239   Covad Communications 
       1785     1827        680         124   AppliedTheory Corporation 
       7029     1723       1018         218   Windstream Communications Inc
       4323     1624       1098         391   Time Warner Telecom
      20115     1596       1543         633   Charter Communications 
      22773     1458       2907          99   Cox Communications, Inc.
      30036     1420        264         677   Mediacom Communications Corp 
      19262     1396       4728         400   Verizon Global Networks 
       7018     1337       7050         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      959        352          13   Corbina telecom
      34984      566        108         181   Tellcom Iletisim Hizmetleri
      20940      548        184         423   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      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     1680        309         155   TVCABLE BOGOTA 
       8151     1455       2803         350   Uninet S.A. de C.V.
      28573     1359       1013          70   Types of queries are: POCs, o
       7303     1162        681         173   Telecom Argentina Stet-France
      14420      736         58          88   Types of queries are: POCs, o
       6503      590        450          70   AVANTEL, S.A. 
      27947      584         56          75   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      712        445          11   TEDATA
      15475      452         74           8   Nile Online
      36992      292        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
      24835      190         80           8   RAYA Telecom - Egypt
      
      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     3560       3817         226   bellsouth.net, inc. 
      23456     3267        776        1775   >>UNKNOWN<<
      17974     1998        519          33   PT TELEKOMUNIKASI INDONESIA
       4766     1939      11056         650   Korea Telecom (KIX)
      18566     1915        366         239   Covad Communications 
       1785     1827        680         124   AppliedTheory Corporation 
       7029     1723       1018         218   Windstream Communications Inc
      10620     1680        309         155   TVCABLE BOGOTA 
       4323     1624       1098         391   Time Warner Telecom
      20115     1596       1543         633   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      1998        1965      PT TELEKOMUNIKASI INDONESIA
       1785      1827        1703      AppliedTheory Corporation 
      18566      1915        1676      Covad Communications 
      10620      1680        1525      TVCABLE BOGOTA 
       7545      1595        1510      TPG Internet Pty Ltd
       7029      1723        1505      Windstream Communications Inc
      23456      3267        1492      >>UNKNOWN<<
       7552      1398        1391      Vietel Corporation
       4755      1551        1385      Videsh Sanchar Nigam Ltd. Aut
      22773      1458        1359      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<<
      62.61.220.0/24       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        /8:19       /9:12      /10:27      /11:81      /12:235     
      /13:464     /14:807     /15:1453    /16:12102   /17:6248    /18:10334   
      /19:20361   /20:28239   /21:27593   /22:36974   /23:35428   /24:196061  
      /25:74      /26:89      /27:122     /28:293     /29:104     /30:556     
      /31:73      /32:495     
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2197          3560      bellsouth.net, inc. 
      18566     1870          1915      Covad Communications 
      10620     1575          1680      TVCABLE BOGOTA 
      23456     1555          3267      >>UNKNOWN<<
       7029     1412          1723      Windstream Communications Inc
      30036     1377          1420      Mediacom Communications Corp 
      11492     1114          1152      Cable One 
       7011     1057          1182      Citizens Utilities 
       1785     1053          1827      AppliedTheory Corporation 
      22773      947          1458      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:383       2:293       4:19        5:1         6:3         8:353    
        12:1953     13:1        14:542      15:13       16:3        17:7      
        20:10       23:35       24:1687     27:942      31:545      32:149    
        33:4        34:2        36:4        38:745      40:108      41:2597   
        42:48       44:3        46:991      47:3        49:258      50:426    
        52:13       54:2        55:4        56:2        57:46       58:882    
        59:491      60:377      61:1182     62:1101     63:1963     64:4097   
        65:2308     66:4011     67:1989     68:1292     69:3308     70:860    
        71:377      72:1886     73:1        74:2506     75:361      76:349    
        77:871      78:791      79:492      80:1129     81:841      82:513    
        83:524      84:639      85:1092     86:416      87:879      88:357    
        89:1598     90:267      91:4126     92:533      93:1296     94:1329   
        95:919      96:440      97:276      98:947      99:37      101:210    
       103:316     106:70      107:52      108:81      109:1037    110:674    
       111:791     112:324     113:450     114:571     115:696     116:919    
       117:711     118:901     119:1200    120:334     121:703     122:1610   
       123:1008    124:1340    125:1395    128:245     129:181     130:165    
       131:583     132:120     133:21      134:216     135:54      136:212    
       137:138     138:287     139:131     140:494     141:287     142:390    
       143:403     144:486     145:58      146:472     147:226     148:690    
       149:259     150:153     151:191     152:446     153:177     154:6      
       155:394     156:203     157:360     158:146     159:463     160:324    
       161:206     162:339     163:177     164:507     165:403     166:536    
       167:435     168:752     169:147     170:861     171:83      172:1      
       173:1661    174:659     175:411     176:214     177:278     178:1032   
       180:1093    181:30      182:631     183:222     184:366     185:1      
       186:1467    187:669     188:945     189:869     190:5175    192:5936   
       193:5027    194:3556    195:3093    196:1247    197:175     198:3606   
       199:4135    200:5517    201:1622    202:8549    203:8507    204:4259   
       205:2381    206:2739    207:2838    208:4162    209:3544    210:2733   
       211:1471    212:2137    213:1786    214:779     215:76      216:4938   
       217:1612    218:560     219:341     220:1223    221:514     222:343    
       223:263    
      
      End of report