[apops] Weekly Routing Table Report

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  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 3 Apr 2010 05:14:48 +1000 (EST)
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    • Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For historical data, please see http://thyme.apnic.net.
      
      If you have any comments please contact Philip Smith <pfsinoz at gmail dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 03 Apr, 2010
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              316610
          Prefixes after maximum aggregation:                          146298
          Deaggregation factor:                                          2.16
          Unique aggregates announced to Internet:                     154026
      Total ASes present in the Internet Routing Table:                 33705
          Prefixes per ASN:                                              9.39
      Origin-only ASes present in the Internet Routing Table:           29263
      Origin ASes announcing only one prefix:                           14300
      Transit ASes present in the Internet Routing Table:                4442
      Transit-only ASes present in the Internet Routing Table:            102
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      24
          Max AS path prepend of ASN (32374)                               19
      Prefixes from unregistered ASNs in the Routing Table:              1001
          Unregistered ASNs in the Routing Table:                         155
      Number of 32-bit ASNs allocated by the RIRs:                        506
      Prefixes from 32-bit ASNs in the Routing Table:                     522
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            231
      Number of addresses announced to Internet:                   2193892480
          Equivalent to 130 /8s, 196 /16s and 36 /24s
          Percentage of available address space announced:               59.2
          Percentage of allocated address space announced:               65.7
          Percentage of available address space allocated:               90.0
          Percentage of address space in use by end-sites:               82.0
      Total number of prefixes smaller than registry allocations:      151724
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    75943
          Total APNIC prefixes after maximum aggregation:               26376
          APNIC Deaggregation factor:                                    2.88
      Prefixes being announced from the APNIC address blocks:           72600
          Unique aggregates announced from the APNIC address blocks:    31920
      APNIC Region origin ASes present in the Internet Routing Table:    3990
          APNIC Prefixes per ASN:                                       18.20
      APNIC Region origin ASes announcing only one prefix:               1098
      APNIC Region transit ASes present in the Internet Routing Table:    620
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              507205440
          Equivalent to 30 /8s, 59 /16s and 87 /24s
          Percentage of available APNIC address space announced:         79.6
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
                             55296-56319, 131072-132095
      APNIC Address Blocks     1/8,  27/8,  43/8,  58/8,  59/8,  60/8,  61/8,
                             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,
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                    132528
          Total ARIN prefixes after maximum aggregation:                68590
          ARIN Deaggregation factor:                                     1.93
      Prefixes being announced from the ARIN address blocks:           105688
          Unique aggregates announced from the ARIN address blocks:     40308
      ARIN Region origin ASes present in the Internet Routing Table:    13615
          ARIN Prefixes per ASN:                                         7.76
      ARIN Region origin ASes announcing only one prefix:                5276
      ARIN Region transit ASes present in the Internet Routing Table:    1352
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          22
      Number of ARIN addresses announced to Internet:               724817568
          Equivalent to 43 /8s, 51 /16s and 214 /24s
          Percentage of available ARIN address space announced:          61.7
      
      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,  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,  54/8,
                              55/8,  56/8,  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, 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:                     72685
          Total RIPE prefixes after maximum aggregation:                42455
          RIPE Deaggregation factor:                                     1.71
      Prefixes being announced from the RIPE address blocks:            65723
          Unique aggregates announced from the RIPE address blocks:     43244
      RIPE Region origin ASes present in the Internet Routing Table:    14309
          RIPE Prefixes per ASN:                                         4.59
      RIPE Region origin ASes announcing only one prefix:                7407
      RIPE Region transit ASes present in the Internet Routing Table:    2131
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          21
      Number of RIPE addresses announced to Internet:               420675232
          Equivalent to 25 /8s, 18 /16s and 254 /24s
          Percentage of available RIPE address space announced:          78.4
      
      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, 196608-197631
      RIPE Address Blocks      2/8,  25/8,  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, 178/8, 193/8, 194/8,
                             195/8, 212/8, 213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   28065
          Total LACNIC prefixes after maximum aggregation:               6638
          LACNIC Deaggregation factor:                                   4.23
      Prefixes being announced from the LACNIC address blocks:          26411
          Unique aggregates announced from the LACNIC address blocks:   13676
      LACNIC Region origin ASes present in the Internet Routing Table:   1259
          LACNIC Prefixes per ASN:                                      20.98
      LACNIC Region origin ASes announcing only one prefix:               418
      LACNIC Region transit ASes present in the Internet Routing Table:   218
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        24
      Number of LACNIC addresses announced to Internet:              71874816
          Equivalent to 4 /8s, 72 /16s and 185 /24s
          Percentage of available LACNIC address space announced:        71.4
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 plus ERX transfers
      LACNIC Address Blocks  186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   6641
          Total AfriNIC prefixes after maximum aggregation:              1789
          AfriNIC Deaggregation factor:                                  3.71
      Prefixes being announced from the AfriNIC address blocks:          4968
          Unique aggregates announced from the AfriNIC address blocks:   1497
      AfriNIC Region origin ASes present in the Internet Routing Table:   353
          AfriNIC Prefixes per ASN:                                     14.07
      AfriNIC Region origin ASes announcing only one prefix:              101
      AfriNIC Region transit ASes present in the Internet Routing Table:   77
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             14979584
          Equivalent to 0 /8s, 228 /16s and 146 /24s
          Percentage of available AfriNIC address space announced:       44.6
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
      AfriNIC Address Blocks  41/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4766     1837       8405         477   Korea Telecom (KIX)
      17488     1307        134         130   Hathway IP Over Cable Interne
       4755     1298        289         144   TATA Communications formerly 
       7545     1078        200         101   TPG Internet Pty Ltd
       4134     1027      20317         397   CHINANET-BACKBONE
       9583      996         74         498   Sify Limited
      17974      982        281          17   PT TELEKOMUNIKASI INDONESIA
      18101      879        433          32   Reliance Infocom Ltd Internet
      24560      874        303         168   Bharti Airtel Ltd., Telemedia
       4808      843       1584         213   CNCGROUP IP network: China169
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     4052       3842         310   bellsouth.net, inc. 
       4323     3827       1099         398   Time Warner Telecom
       1785     1751        699         132   PaeTec Communications, Inc.
       7018     1568       5757         998   AT&T WorldNet Services
      20115     1528       1502         657   Charter Communications 
       2386     1326        618         936   AT&T Data Communications Serv
       3356     1228      10952         423   Level 3 Communications, LLC 
       6478     1179        247         163   AT&T Worldnet Services 
      11492     1145        222          14   Cable One 
      22773     1139       2604          70   Cox Communications, Inc.
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      35805      612         56           6   United Telecom of Georgia
       3292      448       1899         390   TDC Tele Danmark
      30890      437        100         202   Evolva Telecom
        702      421       1870         333   UUNET - Commercial IP service
       8551      400        355          36   Bezeq International
       8866      396        117          18   Bulgarian Telecommunication C
       3320      363       7072         317   Deutsche Telekom AG
       3301      356       1413         317   TeliaNet Sweden
       3215      347       3206         103   France Telecom Transpac
      12479      330        576           5   Uni2 Autonomous System
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1537       2908         238   UniNet S.A. de C.V. 
      10620     1027        229         161   TVCABLE BOGOTA 
      28573      899        731          84   NET Servicos de Comunicao S.A
       7303      700        367         101   Telecom Argentina Stet-France
      22047      541        310          15   VTR PUNTO NET S.A. 
      18881      522        268          11   Global Village Telecom 
       6503      510        168         193   AVANTEL, S.A. 
       7738      477        922          30   Telecomunicacoes da Bahia S.A
       3816      456        195          70   Empresa Nacional de Telecomun
      14117      455         30          13   Telefonica del Sur S.A. 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8452      890        445          10   TEDATA
      24863      704        144          41   LINKdotNET AS number
      36992      552        120         162   Etisalat MISR
       3741      274        853         233   The Internet Solution 
      33776      262         14          11   Starcomms Nigeria Limited
       2018      215        230         111   Tertiary Education Network 
       6713      177        167          12   Itissalat Al-MAGHRIB
      29571      171         19           9   Ci Telecom Autonomous system 
      24835      138         78          11   RAYA Telecom - Egypt
      29975      133        506          14   Vodacom
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     4052       3842         310   bellsouth.net, inc. 
       4323     3827       1099         398   Time Warner Telecom
       4766     1837       8405         477   Korea Telecom (KIX)
       1785     1751        699         132   PaeTec Communications, Inc.
       7018     1568       5757         998   AT&T WorldNet Services
       8151     1537       2908         238   UniNet S.A. de C.V. 
      20115     1528       1502         657   Charter Communications 
       2386     1326        618         936   AT&T Data Communications Serv
      17488     1307        134         130   Hathway IP Over Cable Interne
       4755     1298        289         144   TATA Communications formerly 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      3827        3429      Time Warner Telecom
       1785      1751        1619      PaeTec Communications, Inc.
       4766      1837        1360      Korea Telecom (KIX)
       8151      1537        1299      UniNet S.A. de C.V. 
      17488      1307        1177      Hathway IP Over Cable Interne
       4755      1298        1154      TATA Communications formerly 
      11492      1145        1131      Cable One 
      22773      1139        1069      Cox Communications, Inc.
      18566      1059        1049      Covad Communications 
       6478      1179        1016      AT&T Worldnet Services 
      
      Complete listing at http://thyme.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      16927   UNALLOCATED   12.0.252.0/23         7018       AT&T WorldNet Servic
      15132   UNALLOCATED   12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.14.170.0/24        7018       AT&T WorldNet Servic
      13746   UNALLOCATED   12.24.56.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.25.107.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.152.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.154.0/23        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.155.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.159.0/24        7018       AT&T WorldNet Servic
      25639   UNALLOCATED   12.41.169.0/24        7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      2.0.0.0/16           12654     RIPE NCC RIS Project
      2.1.0.0/21           12654     RIPE NCC RIS Project
      2.1.24.0/24          12654     RIPE NCC RIS Project
      41.190.64.0/22       28683     Office des Postes et telecomm
      41.202.96.0/19       29571     Ci Telecom Autonomous system 
      41.220.144.0/20      36918     ORASCOM TELECOM ALGERIE VSAT
      41.220.159.0/24      36918     ORASCOM TELECOM ALGERIE VSAT
      41.222.79.0/24       36938     >>UNKNOWN<<
      41.223.24.0/22       25747     VSC Satellite Co 
      41.223.92.0/22       36936     >>UNKNOWN<<
      
      Complete listing at http://thyme.apnic.net/current/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       /9:10      /10:25      /11:66      /12:192     
      /13:391     /14:678     /15:1244    /16:11007   /17:5201    /18:8834    
      /19:18242   /20:22291   /21:22337   /22:29026   /23:28774   /24:165365  
      /25:948     /26:1197    /27:606     /28:133     /29:9       /30:7       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2616          4052      bellsouth.net, inc. 
       4323     2348          3827      Time Warner Telecom
       4766     1475          1837      Korea Telecom (KIX)
       1785     1213          1751      PaeTec Communications, Inc.
      17488     1061          1307      Hathway IP Over Cable Interne
      11492     1056          1145      Cable One 
      18566     1040          1059      Covad Communications 
       7018      942          1568      AT&T WorldNet Services
      10620      933          1027      TVCABLE BOGOTA 
       9583      848           996      Sify Limited
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         2:1         4:13        8:254      12:2003     13:10       15:23     
        16:3        17:8        20:26       24:1381     27:22       32:48     
        33:12       38:658      40:100      41:1963     44:3        46:1      
        47:26       52:6        55:6        56:2        57:24       58:675    
        59:578      60:431      61:1097     62:1036     63:1970     64:3818   
        65:2361     66:4167     67:1815     68:1044     69:2801     70:696    
        71:238      72:1860     73:2        74:2150     75:244      76:314    
        77:839      78:600      79:417      80:991      81:777      82:454    
        83:452      84:690      85:1042     86:385      87:682      88:351    
        89:1551     90:82       91:2709     92:443      93:1099     94:1392   
        95:550      96:234      97:298      98:526      99:26      109:441    
       110:296     111:469     112:244     113:256     114:386     115:605    
       116:1029    117:626     118:415     119:959     120:147     121:854    
       122:1388    123:868     124:1070    125:1293    128:207     129:203    
       130:160     131:558     132:250     133:17      134:197     135:44     
       136:223     137:171     138:257     139:94      140:478     141:136    
       142:374     143:357     144:428     145:52      146:424     147:167    
       148:584     149:227     150:150     151:168     152:260     153:169    
       154:2       155:326     156:182     157:324     158:102     159:359    
       160:315     161:177     162:268     163:168     164:410     165:522    
       166:505     167:401     168:797     169:157     170:736     171:48     
       172:2       173:608     174:620     175:61      178:42      180:363    
       182:25      183:241     184:28      186:344     187:266     188:1220   
       189:715     190:3606    192:5719    193:4628    194:3358    195:2782   
       196:1168    198:3545    199:3387    200:5280    201:1481    202:7917   
       203:8283    204:4071    205:2291    206:2520    207:3017    208:3889   
       209:3446    210:2524    211:1217    212:1714    213:1683    214:587    
       215:72      216:4471    217:1505    218:482     219:424     220:1089   
       221:381     222:313    
      
      End of report