[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, 25 Jun 2011 05:05:08 +1000 (EST)
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    • Routing Table as seen from APNIC's router in Japan.
      
      The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
      CaribNOG and the RIPE Routing Working Group.
      
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For historical data, please see http://thyme.rand.apnic.net.
      
      If you have any comments please contact Philip Smith <pfsinoz at gmail dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 25 Jun, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              361681
          Prefixes after maximum aggregation:                          164222
          Deaggregation factor:                                          2.20
          Unique aggregates announced to Internet:                     178750
      Total ASes present in the Internet Routing Table:                 37989
          Prefixes per ASN:                                              9.52
      Origin-only ASes present in the Internet Routing Table:           31644
      Origin ASes announcing only one prefix:                           15205
      Transit ASes present in the Internet Routing Table:                5162
      Transit-only ASes present in the Internet Routing Table:            136
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      33
          Max AS path prepend of ASN (48687)                               24
      Prefixes from unregistered ASNs in the Routing Table:               849
          Unregistered ASNs in the Routing Table:                         461
      Number of 32-bit ASNs allocated by the RIRs:                       1493
      Number of 32-bit ASNs visible in the Routing Table:                1183
      Prefixes from 32-bit ASNs in the Routing Table:                    2711
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            137
      Number of addresses announced to Internet:                   2493130048
          Equivalent to 148 /8s, 154 /16s and 37 /24s
          Percentage of available address space announced:               67.3
          Percentage of allocated address space announced:               67.3
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               91.0
      Total number of prefixes smaller than registry allocations:      150698
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    89840
          Total APNIC prefixes after maximum aggregation:               30209
          APNIC Deaggregation factor:                                    2.97
      Prefixes being announced from the APNIC address blocks:           86590
          Unique aggregates announced from the APNIC address blocks:    36226
      APNIC Region origin ASes present in the Internet Routing Table:    4497
          APNIC Prefixes per ASN:                                       19.26
      APNIC Region origin ASes announcing only one prefix:               1249
      APNIC Region transit ASes present in the Internet Routing Table:    712
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         18
      Number of APNIC region 32-bit ASNs visible in the Routing Table:     52
      Number of APNIC addresses announced to Internet:              622748704
          Equivalent to 37 /8s, 30 /16s and 100 /24s
          Percentage of available APNIC address space announced:         79.0
      
      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,  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:                    141304
          Total ARIN prefixes after maximum aggregation:                72518
          ARIN Deaggregation factor:                                     1.95
      Prefixes being announced from the ARIN address blocks:           113252
          Unique aggregates announced from the ARIN address blocks:     46525
      ARIN Region origin ASes present in the Internet Routing Table:    14441
          ARIN Prefixes per ASN:                                         7.84
      ARIN Region origin ASes announcing only one prefix:                5515
      ARIN Region transit ASes present in the Internet Routing Table:    1518
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          24
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      12
      Number of ARIN addresses announced to Internet:               819201536
          Equivalent to 48 /8s, 212 /16s and 6 /24s
          Percentage of available ARIN address space announced:          65.1
      
      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:                     86138
          Total RIPE prefixes after maximum aggregation:                48944
          RIPE Deaggregation factor:                                     1.76
      Prefixes being announced from the RIPE address blocks:            79529
          Unique aggregates announced from the RIPE address blocks:     52628
      RIPE Region origin ASes present in the Internet Routing Table:    15751
          RIPE Prefixes per ASN:                                         5.05
      RIPE Region origin ASes announcing only one prefix:                7864
      RIPE Region transit ASes present in the Internet Routing Table:    2496
      Average RIPE Region AS path length visible:                         4.6
          Max RIPE Region AS path length visible:                          33
      Number of RIPE region 32-bit ASNs visible in the Routing Table:     870
      Number of RIPE addresses announced to Internet:               478213376
          Equivalent to 28 /8s, 128 /16s and 245 /24s
          Percentage of available RIPE address space announced:          77.0
      
      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:                   33273
          Total LACNIC prefixes after maximum aggregation:               7572
          LACNIC Deaggregation factor:                                   4.39
      Prefixes being announced from the LACNIC address blocks:          32313
          Unique aggregates announced from the LACNIC address blocks:   16912
      LACNIC Region origin ASes present in the Internet Routing Table:   1471
          LACNIC Prefixes per ASN:                                      21.97
      LACNIC Region origin ASes announcing only one prefix:               439
      LACNIC Region transit ASes present in the Internet Routing Table:   264
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   245
      Number of LACNIC addresses announced to Internet:              85595904
          Equivalent to 5 /8s, 26 /16s and 23 /24s
          Percentage of available LACNIC address space announced:        56.7
      
      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:                   8197
          Total AfriNIC prefixes after maximum aggregation:              1952
          AfriNIC Deaggregation factor:                                  4.20
      Prefixes being announced from the AfriNIC address blocks:          6495
          Unique aggregates announced from the AfriNIC address blocks:   1981
      AfriNIC Region origin ASes present in the Internet Routing Table:   459
          AfriNIC Prefixes per ASN:                                     14.15
      AfriNIC Region origin ASes announcing only one prefix:              138
      AfriNIC Region transit ASes present in the Internet Routing Table:  102
      Average AfriNIC Region AS path length visible:                      4.8
          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:             24303616
          Equivalent to 1 /8s, 114 /16s and 216 /24s
          Percentage of available AfriNIC address space announced:       36.2
      
      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
       4766     2458       9500         928   Korea Telecom (KIX)
      17974     1842        460          45   PT TELEKOMUNIKASI INDONESIA
       7545     1542        301          84   TPG Internet Pty Ltd
       4755     1479        634         168   TATA Communications formerly 
      24560     1153        336         187   Bharti Airtel Ltd., Telemedia
       9583     1079         80         510   Sify Limited
       4808     1051       2092         302   CNCGROUP IP network: China169
       9829     1043        886          64   BSNL National Internet Backbo
      17488      957        183         104   Hathway IP Over Cable Interne
      18101      931        116         138   Reliance Infocom Ltd Internet
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3629       3819         249   bellsouth.net, inc. 
      18566     1913        365         241   Covad Communications 
       1785     1797        681         122   PaeTec Communications, Inc.
       4323     1661       1081         398   Time Warner Telecom
      20115     1586       1531         635   Charter Communications 
       6478     1499        276         522   AT&T Worldnet Services 
      19262     1451       4805         372   Verizon Global Networks 
       7018     1358       7053         892   AT&T WorldNet Services
      22773     1346       2897          87   Cox Communications, Inc.
       7029     1309        790         298   Alltel Information Services, 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      34984      530        107         183   BILISIM TELEKOM
       6830      515       1780         320   UPC Distribution Services
       3292      469       2080         404   TDC Tele Danmark
      20940      467        137         359   Akamai Technologies European 
       8866      445        134          26   Bulgarian Telecommunication C
      29049      444         33          45   AzerSat LLC.
      12479      437        593           7   Uni2 Autonomous System
       3320      420       8151         367   Deutsche Telekom AG
       8551      404        354          44   Bezeq International
       3301      396       1839         345   TeliaNet Sweden
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      10620     1532        281         157   TVCABLE BOGOTA 
       8151     1422       2736         358   UniNet S.A. de C.V. 
      28573     1264        993          78   NET Servicos de Comunicao S.A
       7303      993        507         171   Telecom Argentina Stet-France
       6503      741        354          74   AVANTEL, S.A. 
      14420      683         55          82   CORPORACION NACIONAL DE TELEC
      22047      576        322          17   VTR PUNTO NET S.A. 
       3816      531        231          94   Empresa Nacional de Telecomun
       7738      516        986          31   Telecomunicacoes da Bahia S.A
      27947      500         53          52   Telconet S.A
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      24863      798        147          37   LINKdotNET AS number
       8452      791        445          11   TEDATA
      15475      525         74           8   Nile Online
      36992      318        415          14   Etisalat MISR
       3741      261        937         223   The Internet Solution 
       6713      241        215          13   Itissalat Al-MAGHRIB
      33776      216         12          11   Starcomms Nigeria Limited
      24835      211         78          10   RAYA Telecom - Egypt
      29571      192         17          11   Ci Telecom Autonomous system 
      16637      149        441          86   MTN Network Solutions
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3629       3819         249   bellsouth.net, inc. 
      23456     2711        657        1466   32-bit ASN transition
       4766     2458       9500         928   Korea Telecom (KIX)
      18566     1913        365         241   Covad Communications 
      17974     1842        460          45   PT TELEKOMUNIKASI INDONESIA
       1785     1797        681         122   PaeTec Communications, Inc.
       4323     1661       1081         398   Time Warner Telecom
      20115     1586       1531         635   Charter Communications 
       7545     1542        301          84   TPG Internet Pty Ltd
      10620     1532        281         157   TVCABLE BOGOTA 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
      17974      1842        1797      PT TELEKOMUNIKASI INDONESIA
       1785      1797        1675      PaeTec Communications, Inc.
      18566      1913        1672      Covad Communications 
       4766      2458        1530      Korea Telecom (KIX)
       7545      1542        1458      TPG Internet Pty Ltd
      10620      1532        1375      TVCABLE BOGOTA 
       4755      1479        1311      TATA Communications formerly 
       4323      1661        1263      Time Warner Telecom
      22773      1346        1259      Cox Communications, Inc.
      23456      2711        1245      32-bit ASN transition
      
      Complete listing at http://thyme.rand.apnic.net/current/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        4323       Time Warner Telecom
      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        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
      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/current/data-badAS
      
      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
      27.0.128.0/17         7514     Media Exchange, Inc.
      41.190.32.0/23       31856     CABSAS
      41.190.34.0/23       31856     CABSAS
      41.190.36.0/23       31856     CABSAS
      
      Complete listing at http://thyme.rand.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        /8:23       /9:12      /10:28      /11:81      /12:231     
      /13:461     /14:800     /15:1395    /16:11963   /17:5860    /18:9743    
      /19:19407   /20:25807   /21:26086   /22:34501   /23:33493   /24:188475  
      /25:1088    /26:1268    /27:728     /28:214     /29:9       /30:2       
      /31:0       /32:6       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2233          3629      bellsouth.net, inc. 
      18566     1869          1913      Covad Communications 
       6478     1466          1499      AT&T Worldnet Services 
      10620     1427          1532      TVCABLE BOGOTA 
      23456     1335          2711      32-bit ASN transition
      11492     1090          1136      Cable One 
       7011     1058          1159      Citizens Utilities 
       7029     1055          1309      Alltel Information Services, 
       1785     1050          1797      PaeTec Communications, Inc.
      22773      861          1346      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:297       2:42        4:16        5:1         6:3         8:336    
        12:1978     13:1        14:463      15:15       16:3        17:8      
        20:10       23:12       24:1657     27:806      31:482      32:64     
        33:4        34:2        37:1        38:738      39:3        40:103    
        41:2550     42:2        44:3        46:986      47:3        49:196    
        50:413      52:13       54:2        55:2        56:2        57:32     
        58:856      59:473      60:386      61:1183     62:1051     63:1937   
        64:3945     65:2288     66:3881     67:1901     68:1092     69:3048   
        70:756      71:388      72:1888     74:2383     75:319      76:340    
        77:884      78:714      79:464      80:1109     81:837      82:492    
        83:456      84:670      85:1078     86:552      87:759      88:333    
        89:1525     90:209      91:3871     92:536      93:1045     94:1316   
        95:839      96:445      97:253      98:880      99:36      101:76     
       103:90      106:10      107:16      108:70      109:1012    110:612    
       111:707     112:303     113:406     114:543     115:666     116:968    
       117:671     118:851     119:1144    120:313     121:669     122:1633   
       123:959     124:1303    125:1239    128:247     129:172     130:168    
       131:577     132:112     133:21      134:214     135:48      136:214    
       137:138     138:300     139:114     140:479     141:239     142:403    
       143:419     144:489     145:54      146:450     147:215     148:659    
       149:245     150:170     151:190     152:332     153:180     154:4      
       155:398     156:195     157:350     158:137     159:452     160:313    
       161:208     162:310     163:162     164:506     165:354     166:534    
       167:433     168:739     169:158     170:846     171:78      172:1      
       173:1621    174:607     175:372     176:138     177:150     178:1008   
       180:898     181:19      182:484     183:223     184:307     185:1      
       186:1234    187:738     188:873     189:913     190:4908    192:5867   
       193:4973    194:3489    195:3040    196:1222    197:41      198:3586   
       199:3958    200:5530    201:1503    202:8356    203:8429    204:4202   
       205:2347    206:2682    207:2809    208:3955    209:3471    210:2727   
       211:1460    212:2100    213:1739    214:772     215:69      216:4933   
       217:1636    218:549     219:362     220:1207    221:490     222:361    
       223:161    
      
      End of report