[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, 20 Mar 2010 07:05:01 +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 20 Mar, 2010
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              312799
          Prefixes after maximum aggregation:                          145223
          Deaggregation factor:                                          2.15
          Unique aggregates announced to Internet:                     153590
      Total ASes present in the Internet Routing Table:                 33561
          Prefixes per ASN:                                              9.32
      Origin-only ASes present in the Internet Routing Table:           29134
      Origin ASes announcing only one prefix:                           14245
      Transit ASes present in the Internet Routing Table:                4427
      Transit-only ASes present in the Internet Routing Table:            106
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      22
          Max AS path prepend of ASN (32374)                               19
      Prefixes from unregistered ASNs in the Routing Table:               966
          Unregistered ASNs in the Routing Table:                         158
      Number of 32-bit ASNs allocated by the RIRs:                        481
      Prefixes from 32-bit ASNs in the Routing Table:                     480
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            218
      Number of addresses announced to Internet:                   2204886880
          Equivalent to 131 /8s, 107 /16s and 231 /24s
          Percentage of available address space announced:               59.5
          Percentage of allocated address space announced:               66.1
          Percentage of available address space allocated:               90.0
          Percentage of address space in use by end-sites:               81.7
      Total number of prefixes smaller than registry allocations:      149633
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    75611
          Total APNIC prefixes after maximum aggregation:               26228
          APNIC Deaggregation factor:                                    2.88
      Prefixes being announced from the APNIC address blocks:           72268
          Unique aggregates announced from the APNIC address blocks:    31854
      APNIC Region origin ASes present in the Internet Routing Table:    3976
          APNIC Prefixes per ASN:                                       18.18
      APNIC Region origin ASes announcing only one prefix:               1089
      APNIC Region transit ASes present in the Internet Routing Table:    626
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              504451648
          Equivalent to 30 /8s, 17 /16s and 82 /24s
          Percentage of available APNIC address space announced:         79.1
      
      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:                    129513
          Total ARIN prefixes after maximum aggregation:                67928
          ARIN Deaggregation factor:                                     1.91
      Prefixes being announced from the ARIN address blocks:           103342
          Unique aggregates announced from the ARIN address blocks:     40062
      ARIN Region origin ASes present in the Internet Routing Table:    13568
          ARIN Prefixes per ASN:                                         7.62
      ARIN Region origin ASes announcing only one prefix:                5261
      ARIN Region transit ASes present in the Internet Routing Table:    1338
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          22
      Number of ARIN addresses announced to Internet:               724084128
          Equivalent to 43 /8s, 40 /16s and 165 /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:                     72365
          Total RIPE prefixes after maximum aggregation:                42232
          RIPE Deaggregation factor:                                     1.71
      Prefixes being announced from the RIPE address blocks:            65423
          Unique aggregates announced from the RIPE address blocks:     43239
      RIPE Region origin ASes present in the Internet Routing Table:    14233
          RIPE Prefixes per ASN:                                         4.60
      RIPE Region origin ASes announcing only one prefix:                7383
      RIPE Region transit ASes present in the Internet Routing Table:    2130
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          21
      Number of RIPE addresses announced to Internet:               418727296
          Equivalent to 24 /8s, 245 /16s and 69 /24s
          Percentage of available RIPE address space announced:          78.0
      
      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, 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:                   27949
          Total LACNIC prefixes after maximum aggregation:               6632
          LACNIC Deaggregation factor:                                   4.21
      Prefixes being announced from the LACNIC address blocks:          26292
          Unique aggregates announced from the LACNIC address blocks:   13679
      LACNIC Region origin ASes present in the Internet Routing Table:   1253
          LACNIC Prefixes per ASN:                                      20.98
      LACNIC Region origin ASes announcing only one prefix:               411
      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:                        17
      Number of LACNIC addresses announced to Internet:              71650304
          Equivalent to 4 /8s, 69 /16s and 76 /24s
          Percentage of available LACNIC address space announced:        71.2
      
      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:                   6643
          Total AfriNIC prefixes after maximum aggregation:              1781
          AfriNIC Deaggregation factor:                                  3.73
      Prefixes being announced from the AfriNIC address blocks:          4996
          Unique aggregates announced from the AfriNIC address blocks:   1480
      AfriNIC Region origin ASes present in the Internet Routing Table:   345
          AfriNIC Prefixes per ASN:                                     14.48
      AfriNIC Region origin ASes announcing only one prefix:              101
      AfriNIC Region transit ASes present in the Internet Routing Table:   75
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             14861056
          Equivalent to 0 /8s, 226 /16s and 195 /24s
          Percentage of available AfriNIC address space announced:       44.3
      
      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     1865       8405         475   Korea Telecom (KIX)
      17488     1307        134         133   Hathway IP Over Cable Interne
       4755     1287        287         136   TATA Communications formerly 
       4134     1016      20245         401   CHINANET-BACKBONE
       7545     1010        199         101   TPG Internet Pty Ltd
       9583     1003         75         500   Sify Limited
      18101      997        221          41   Reliance Infocom Ltd Internet
      17974      939        282          20   PT TELEKOMUNIKASI INDONESIA
      24560      844        300         167   Bharti Airtel Ltd., Telemedia
       4808      843       1585         215   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     4061       3842         311   bellsouth.net, inc. 
       4323     2120       1057         379   Time Warner Telecom
       1785     1794        698         131   PaeTec Communications, Inc.
       7018     1565       5757        1005   AT&T WorldNet Services
      20115     1537       1497         656   Charter Communications 
       2386     1326        616         934   AT&T Data Communications Serv
       3356     1230      10949         425   Level 3 Communications, LLC 
       6478     1162        246         165   AT&T Worldnet Services 
      11492     1142        222          14   Cable One 
      22773     1127       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      594         40           5   United Telecom of Georgia
      30890      450        101         207   Evolva Telecom
       3292      449       1900         391   TDC Tele Danmark
        702      421       1870         333   UUNET - Commercial IP service
       8551      400        355          36   Bezeq International
       8866      392        117          18   Bulgarian Telecommunication C
       3320      364       7072         318   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     1533       2892         237   UniNet S.A. de C.V. 
      10620     1028        229         156   TVCABLE BOGOTA 
      28573      947        730          82   NET Servicos de Comunicao S.A
       7303      686        360          97   Telecom Argentina Stet-France
      22047      546        310          15   VTR PUNTO NET S.A. 
       6503      508        168         195   AVANTEL, S.A. 
       7738      477        922          30   Telecomunicacoes da Bahia S.A
      11830      474        308          56   Instituto Costarricense de El
      18881      471        268          11   Global Village Telecom 
       3816      454        195          69   Empresa Nacional de Telecomun
      
      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      914        445          10   TEDATA
      24863      710        144          41   LINKdotNET AS number
      36992      573        131         167   Etisalat MISR
       3741      274        853         233   The Internet Solution 
      33776      262         14          11   Starcomms Nigeria Limited
       2018      211        215         122   Tertiary Education Network 
       6713      177        167          12   Itissalat Al-MAGHRIB
      29571      171         19           9   Ci Telecom Autonomous system 
      24835      136         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     4061       3842         311   bellsouth.net, inc. 
       4323     2120       1057         379   Time Warner Telecom
       4766     1865       8405         475   Korea Telecom (KIX)
       1785     1794        698         131   PaeTec Communications, Inc.
       7018     1565       5757        1005   AT&T WorldNet Services
      20115     1537       1497         656   Charter Communications 
       8151     1533       2892         237   UniNet S.A. de C.V. 
       2386     1326        616         934   AT&T Data Communications Serv
      17488     1307        134         133   Hathway IP Over Cable Interne
       4755     1287        287         136   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      2120        1741      Time Warner Telecom
       1785      1794        1663      PaeTec Communications, Inc.
       4766      1865        1390      Korea Telecom (KIX)
       8151      1533        1296      UniNet S.A. de C.V. 
      17488      1307        1174      Hathway IP Over Cable Interne
       4755      1287        1151      TATA Communications formerly 
      11492      1142        1128      Cable One 
      22773      1127        1057      Cox Communications, Inc.
      18566      1059        1049      Covad Communications 
       6478      1162         997      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        /8:20       /9:10      /10:25      /11:66      /12:192     
      /13:389     /14:669     /15:1238    /16:10989   /17:5185    /18:8756    
      /19:18125   /20:22106   /21:22221   /22:28728   /23:28428   /24:162777  
      /25:942     /26:1177    /27:589     /28:137     /29:14      /30:8       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2628          4061      bellsouth.net, inc. 
       4766     1477          1865      Korea Telecom (KIX)
       1785     1255          1794      PaeTec Communications, Inc.
       4323     1065          2120      Time Warner Telecom
      17488     1060          1307      Hathway IP Over Cable Interne
      11492     1052          1142      Cable One 
      18566     1040          1059      Covad Communications 
       7018      943          1565      AT&T WorldNet Services
      10620      934          1028      TVCABLE BOGOTA 
      18101      868           997      Reliance Infocom Ltd Internet
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         2:1         4:12        8:247      12:1986     13:10       15:22     
        16:3        17:8        20:39       24:1368     27:1        32:48     
        38:648      40:100      41:2008     44:3        46:1        47:23     
        52:6        55:2        56:2        57:24       58:629      59:638    
        60:413      61:1094     62:1051     63:1982     64:3700     65:2343   
        66:3455     67:1812     68:1050     69:2802     70:697      71:240    
        72:1859     73:2        74:1952     75:245      76:315      77:828    
        78:580      79:414      80:997      81:772      82:449      83:447    
        84:675      85:1023     86:384      87:677      88:428      89:1547   
        90:78       91:2702     92:431      93:1139     94:1377     95:551    
        96:230      97:304      98:526      99:26      109:425     110:304    
       111:454     112:243     113:236     114:384     115:596     116:1027   
       117:630     118:378     119:929     120:148     121:844     122:1387   
       123:879     124:1054    125:1286    128:208     129:204     130:142    
       131:486     132:219     133:17      134:194     135:44      136:230    
       137:171     138:242     139:94      140:471     141:137     142:375    
       143:346     144:412     145:50      146:414     147:169     148:582    
       149:249     150:151     151:169     152:258     153:167     154:2      
       155:278     156:181     157:324     158:96      159:356     160:307    
       161:179     162:269     163:163     164:310     165:507     166:508    
       167:394     168:680     169:157     170:729     171:46      172:2      
       173:555     174:623     175:65      178:8       180:349     182:35     
       183:232     184:19      186:334     187:242     188:1177    189:711    
       190:3574    192:5723    193:4562    194:3361    195:2802    196:1174   
       198:3554    199:3380    200:5280    201:1479    202:8051    203:8298   
       204:4054    205:2169    206:2472    207:2752    208:3912    209:3366   
       210:2551    211:1200    212:1717    213:1689    214:263     215:61     
       216:4463    217:1514    218:491     219:427     220:1076    221:380    
       222:313    
      
      End of report