[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, 27 Mar 2010 04:54:23 +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 27 Mar, 2010
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              316354
          Prefixes after maximum aggregation:                          146166
          Deaggregation factor:                                          2.16
          Unique aggregates announced to Internet:                     153886
      Total ASes present in the Internet Routing Table:                 33654
          Prefixes per ASN:                                              9.40
      Origin-only ASes present in the Internet Routing Table:           29228
      Origin ASes announcing only one prefix:                           14274
      Transit ASes present in the Internet Routing Table:                4426
      Transit-only ASes present in the Internet Routing Table:            107
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      28
          Max AS path prepend of ASN (28009)                               24
      Prefixes from unregistered ASNs in the Routing Table:              1005
          Unregistered ASNs in the Routing Table:                         155
      Number of 32-bit ASNs allocated by the RIRs:                        496
      Prefixes from 32-bit ASNs in the Routing Table:                     511
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            224
      Number of addresses announced to Internet:                   2207844992
          Equivalent to 131 /8s, 153 /16s and 10 /24s
          Percentage of available address space announced:               59.6
          Percentage of allocated address space announced:               66.2
          Percentage of available address space allocated:               90.0
          Percentage of address space in use by end-sites:               81.8
      Total number of prefixes smaller than registry allocations:      151722
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    75992
          Total APNIC prefixes after maximum aggregation:               26357
          APNIC Deaggregation factor:                                    2.88
      Prefixes being announced from the APNIC address blocks:           72662
          Unique aggregates announced from the APNIC address blocks:    31966
      APNIC Region origin ASes present in the Internet Routing Table:    3984
          APNIC Prefixes per ASN:                                       18.24
      APNIC Region origin ASes announcing only one prefix:               1094
      APNIC Region transit ASes present in the Internet Routing Table:    618
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              505653824
          Equivalent to 30 /8s, 35 /16s and 170 /24s
          Percentage of available APNIC address space announced:         79.3
      
      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:                    132383
          Total ARIN prefixes after maximum aggregation:                68542
          ARIN Deaggregation factor:                                     1.93
      Prefixes being announced from the ARIN address blocks:           105593
          Unique aggregates announced from the ARIN address blocks:     40196
      ARIN Region origin ASes present in the Internet Routing Table:    13605
          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:    1342
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          22
      Number of ARIN addresses announced to Internet:               724613536
          Equivalent to 43 /8s, 48 /16s and 185 /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:                     72416
          Total RIPE prefixes after maximum aggregation:                42364
          RIPE Deaggregation factor:                                     1.71
      Prefixes being announced from the RIPE address blocks:            65475
          Unique aggregates announced from the RIPE address blocks:     43222
      RIPE Region origin ASes present in the Internet Routing Table:    14273
          RIPE Prefixes per ASN:                                         4.59
      RIPE Region origin ASes announcing only one prefix:                7392
      RIPE Region transit ASes present in the Internet Routing Table:    2129
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          22
      Number of RIPE addresses announced to Internet:               419880096
          Equivalent to 25 /8s, 6 /16s and 220 /24s
          Percentage of available RIPE address space announced:          78.2
      
      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:                   28095
          Total LACNIC prefixes after maximum aggregation:               6652
          LACNIC Deaggregation factor:                                   4.22
      Prefixes being announced from the LACNIC address blocks:          26431
          Unique aggregates announced from the LACNIC address blocks:   13655
      LACNIC Region origin ASes present in the Internet Routing Table:   1258
          LACNIC Prefixes per ASN:                                      21.01
      LACNIC Region origin ASes announcing only one prefix:               415
      LACNIC Region transit ASes present in the Internet Routing Table:   214
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        28
      Number of LACNIC addresses announced to Internet:              71750144
          Equivalent to 4 /8s, 70 /16s and 210 /24s
          Percentage of available LACNIC address space announced:        71.3
      
      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:                   6721
          Total AfriNIC prefixes after maximum aggregation:              1812
          AfriNIC Deaggregation factor:                                  3.71
      Prefixes being announced from the AfriNIC address blocks:          5069
          Unique aggregates announced from the AfriNIC address blocks:   1522
      AfriNIC Region origin ASes present in the Internet Routing Table:   350
          AfriNIC Prefixes per ASN:                                     14.48
      AfriNIC Region origin ASes announcing only one prefix:               97
      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:             14921216
          Equivalent to 0 /8s, 227 /16s and 174 /24s
          Percentage of available AfriNIC address space announced:       44.5
      
      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     1836       8405         476   Korea Telecom (KIX)
      17488     1306        134         133   Hathway IP Over Cable Interne
       4755     1292        288         140   TATA Communications formerly 
       4134     1030      20317         398   CHINANET-BACKBONE
       7545     1027        199         101   TPG Internet Pty Ltd
       9583     1001         75         503   Sify Limited
      17974      949        281          28   PT TELEKOMUNIKASI INDONESIA
      18101      907        220          46   Reliance Infocom Ltd Internet
      24560      865        303         166   Bharti Airtel Ltd., Telemedia
       4808      844       1585         214   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     4057       3842         311   bellsouth.net, inc. 
       4323     3784       1083         394   Time Warner Telecom
       1785     1777        698         131   PaeTec Communications, Inc.
       7018     1564       5756        1001   AT&T WorldNet Services
      20115     1529       1497         655   Charter Communications 
       2386     1324        616         934   AT&T Data Communications Serv
       3356     1233      10952         424   Level 3 Communications, LLC 
       6478     1176        247         158   AT&T Worldnet Services 
      11492     1146        222          14   Cable One 
      22773     1132       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      610         56           6   United Telecom of Georgia
       3292      448       1899         390   TDC Tele Danmark
      30890      436        100         202   Evolva Telecom
        702      423       1870         335   UUNET - Commercial IP service
       8551      400        355          36   Bezeq International
       8866      392        117          18   Bulgarian Telecommunication C
       3320      363       7072         317   Deutsche Telekom AG
       3301      355       1413         316   TeliaNet Sweden
       3215      347       3206         103   France Telecom Transpac
      12479      328        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       2892         237   UniNet S.A. de C.V. 
      10620     1028        229         156   TVCABLE BOGOTA 
      28573      951        729          80   NET Servicos de Comunicao S.A
       7303      693        363         102   Telecom Argentina Stet-France
      22047      545        310          15   VTR PUNTO NET S.A. 
      18881      523        268          11   Global Village Telecom 
       6503      509        168         191   AVANTEL, S.A. 
       7738      477        922          30   Telecomunicacoes da Bahia S.A
       3816      454        195          69   Empresa Nacional de Telecomun
      11172      445         99          70   Servicios Alestra S.A de C.V 
      
      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      969        445          10   TEDATA
      24863      704        144          41   LINKdotNET AS number
      36992      557        121         167   Etisalat MISR
       3741      274        853         233   The Internet Solution 
      33776      262         14          11   Starcomms Nigeria Limited
       2018      212        215         122   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     4057       3842         311   bellsouth.net, inc. 
       4323     3784       1083         394   Time Warner Telecom
       4766     1836       8405         476   Korea Telecom (KIX)
       1785     1777        698         131   PaeTec Communications, Inc.
       7018     1564       5756        1001   AT&T WorldNet Services
       8151     1537       2892         237   UniNet S.A. de C.V. 
      20115     1529       1497         655   Charter Communications 
       2386     1324        616         934   AT&T Data Communications Serv
      17488     1306        134         133   Hathway IP Over Cable Interne
       4755     1292        288         140   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      3784        3390      Time Warner Telecom
       1785      1777        1646      PaeTec Communications, Inc.
       4766      1836        1360      Korea Telecom (KIX)
       8151      1537        1300      UniNet S.A. de C.V. 
      17488      1306        1173      Hathway IP Over Cable Interne
       4755      1292        1152      TATA Communications formerly 
      11492      1146        1132      Cable One 
      22773      1132        1062      Cox Communications, Inc.
      18566      1059        1049      Covad Communications 
       6478      1176        1018      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
      41.73.192.0/19       36930     ZanZibar Telecom
      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 
      
      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        /8:20       /9:10      /10:25      /11:66      /12:191     
      /13:392     /14:675     /15:1240    /16:10998   /17:5204    /18:8810    
      /19:18216   /20:22229   /21:22310   /22:28961   /23:28657   /24:165416  
      /25:962     /26:1202    /27:610     /28:136     /29:9       /30:7       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2623          4057      bellsouth.net, inc. 
       4323     2348          3784      Time Warner Telecom
       4766     1475          1836      Korea Telecom (KIX)
       1785     1241          1777      PaeTec Communications, Inc.
      17488     1060          1306      Hathway IP Over Cable Interne
      11492     1056          1146      Cable One 
      18566     1040          1059      Covad Communications 
       7018      941          1564      AT&T WorldNet Services
      10620      934          1028      TVCABLE BOGOTA 
       8452      873           969      TEDATA
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         2:1         4:13        8:253      12:2002     13:10       15:22     
        16:3        17:8        20:26       24:1374     27:2        32:48     
        33:12       38:654      40:100      41:2077     44:3        46:1      
        47:26       52:6        55:7        56:2        57:24       58:645    
        59:640      60:419      61:1095     62:1054     63:1981     64:3829   
        65:2353     66:4158     67:1819     68:1052     69:2785     70:698    
        71:235      72:1866     73:2        74:2142     75:244      76:312    
        77:825      78:572      79:416      80:989      81:771      82:453    
        83:451      84:681      85:1040     86:383      87:680      88:348    
        89:1557     90:81       91:2701     92:427      93:1126     94:1368   
        95:545      96:233      97:302      98:529      99:26      109:417    
       110:289     111:459     112:240     113:246     114:389     115:632    
       116:1036    117:630     118:407     119:976     120:147     121:856    
       122:1401    123:872     124:1067    125:1292    128:208     129:203    
       130:158     131:557     132:227     133:17      134:197     135:44     
       136:223     137:171     138:255     139:94      140:479     141:137    
       142:376     143:349     144:432     145:51      146:423     147:169    
       148:585     149:248     150:151     151:168     152:258     153:168    
       154:2       155:320     156:184     157:324     158:102     159:359    
       160:315     161:178     162:269     163:164     164:399     165:509    
       166:508     167:402     168:796     169:158     170:733     171:48     
       172:2       173:575     174:611     175:53      178:16      180:353    
       182:32      183:236     184:27      186:340     187:252     188:1191   
       189:721     190:3582    192:5722    193:4600    194:3360    195:2776   
       196:1171    198:3541    199:3396    200:5300    201:1480    202:8084   
       203:8300    204:4039    205:2304    206:2518    207:3025    208:3916   
       209:3431    210:2553    211:1211    212:1720    213:1682    214:589    
       215:67      216:4471    217:1519    218:492     219:418     220:1079   
       221:380     222:300    
      
      End of report