[apops] Weekly Routing Table Report

  • To: apops at apops dot net, nanog at nanog dot org, routing-wg at ripe dot net, afnog at afnog dot org, sanog at sanog dot org, pacnog at pacnog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 17 Sep 2011 05:21:31 +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 17 Sep, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              371690
          Prefixes after maximum aggregation:                          167917
          Deaggregation factor:                                          2.21
          Unique aggregates announced to Internet:                     184823
      Total ASes present in the Internet Routing Table:                 38823
          Prefixes per ASN:                                              9.57
      Origin-only ASes present in the Internet Routing Table:           32200
      Origin ASes announcing only one prefix:                           15478
      Transit ASes present in the Internet Routing Table:                5208
      Transit-only ASes present in the Internet Routing Table:            134
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      36
          Max AS path prepend of ASN (22394)                               33
      Prefixes from unregistered ASNs in the Routing Table:              1319
          Unregistered ASNs in the Routing Table:                         742
      Number of 32-bit ASNs allocated by the RIRs:                       1739
      Number of 32-bit ASNs visible in the Routing Table:                1415
      Prefixes from 32-bit ASNs in the Routing Table:                    3247
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            111
      Number of addresses announced to Internet:                   2477780352
          Equivalent to 147 /8s, 175 /16s and 237 /24s
          Percentage of available address space announced:               66.9
          Percentage of allocated address space announced:               66.9
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               91.3
      Total number of prefixes smaller than registry allocations:      154979
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    93491
          Total APNIC prefixes after maximum aggregation:               30741
          APNIC Deaggregation factor:                                    3.04
      Prefixes being announced from the APNIC address blocks:           90025
          Unique aggregates announced from the APNIC address blocks:    38232
      APNIC Region origin ASes present in the Internet Routing Table:    4567
          APNIC Prefixes per ASN:                                       19.71
      APNIC Region origin ASes announcing only one prefix:               1258
      APNIC Region transit ASes present in the Internet Routing Table:    710
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         21
      Number of APNIC region 32-bit ASNs visible in the Routing Table:     88
      Number of APNIC addresses announced to Internet:              627559520
          Equivalent to 37 /8s, 103 /16s and 204 /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,
                             58368-59391, 131072-132095, 132096-133119
      APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                              49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                             106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                             116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                             123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
                             182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
                             219/8, 220/8, 221/8, 222/8, 223/8,
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                    143323
          Total ARIN prefixes after maximum aggregation:                73655
          ARIN Deaggregation factor:                                     1.95
      Prefixes being announced from the ARIN address blocks:           115248
          Unique aggregates announced from the ARIN address blocks:     47939
      ARIN Region origin ASes present in the Internet Routing Table:    14662
          ARIN Prefixes per ASN:                                         7.86
      ARIN Region origin ASes announcing only one prefix:                5652
      ARIN Region transit ASes present in the Internet Routing Table:    1553
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          36
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      12
      Number of ARIN addresses announced to Internet:               804847104
          Equivalent to 47 /8s, 248 /16s and 254 /24s
          Percentage of available ARIN address space announced:          64.0
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                             3354-4607, 4865-5119, 5632-6655, 6912-7466
                             7723-8191, 10240-12287, 13312-15359, 16384-17407
                             18432-20479, 21504-23551, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863, 39936-40959, 46080-47103
                             53248-55295, 393216-394239
      ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                              12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                              20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                              29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                              40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                              53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                              65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                              72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                              98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
                             174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
                             208/8, 209/8, 214/8, 215/8, 216/8,
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     88191
          Total RIPE prefixes after maximum aggregation:                50131
          RIPE Deaggregation factor:                                     1.76
      Prefixes being announced from the RIPE address blocks:            81218
          Unique aggregates announced from the RIPE address blocks:     53898
      RIPE Region origin ASes present in the Internet Routing Table:    15982
          RIPE Prefixes per ASN:                                         5.08
      RIPE Region origin ASes announcing only one prefix:                7963
      RIPE Region transit ASes present in the Internet Routing Table:    2501
      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:    1003
      Number of RIPE addresses announced to Internet:               488917248
          Equivalent to 29 /8s, 36 /16s and 73 /24s
          Percentage of available RIPE address space announced:          78.8
      
      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:                   34743
          Total LACNIC prefixes after maximum aggregation:               7768
          LACNIC Deaggregation factor:                                   4.47
      Prefixes being announced from the LACNIC address blocks:          34025
          Unique aggregates announced from the LACNIC address blocks:   17820
      LACNIC Region origin ASes present in the Internet Routing Table:   1527
          LACNIC Prefixes per ASN:                                      22.28
      LACNIC Region origin ASes announcing only one prefix:               451
      LACNIC Region transit ASes present in the Internet Routing Table:   273
      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:   308
      Number of LACNIC addresses announced to Internet:              89082496
          Equivalent to 5 /8s, 79 /16s and 74 /24s
          Percentage of available LACNIC address space announced:        59.0
      
      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:                   8517
          Total AfriNIC prefixes after maximum aggregation:              2026
          AfriNIC Deaggregation factor:                                  4.20
      Prefixes being announced from the AfriNIC address blocks:          6597
          Unique aggregates announced from the AfriNIC address blocks:   2037
      AfriNIC Region origin ASes present in the Internet Routing Table:   486
          AfriNIC Prefixes per ASN:                                     13.57
      AfriNIC Region origin ASes announcing only one prefix:              154
      AfriNIC Region transit ASes present in the Internet Routing Table:  105
      Average AfriNIC Region AS path length visible:                      4.6
          Max AfriNIC Region AS path length visible:                       25
      Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    4
      Number of AfriNIC addresses announced to Internet:             27220736
          Equivalent to 1 /8s, 159 /16s and 91 /24s
          Percentage of available AfriNIC address space announced:       40.6
      
      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     2508      11047         955   Korea Telecom (KIX)
      17974     2010        516          31   PT TELEKOMUNIKASI INDONESIA
       7545     1597        303          85   TPG Internet Pty Ltd
       4755     1548        639         170   TATA Communications formerly 
      24560     1182        337         194   Bharti Airtel Ltd., Telemedia
       9829     1155        989          28   BSNL National Internet Backbo
       9583     1078         80         505   Sify Limited
       4808     1069       2088         302   CNCGROUP IP network: China169
       7552      978       1062          11   Vietel Corporation
      17488      957        189         159   Hathway IP Over Cable Interne
      
      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     3563       3817         226   bellsouth.net, inc. 
      18566     1912        364         237   Covad Communications 
       1785     1820        680         122   PaeTec Communications, Inc.
       4323     1626       1085         393   Time Warner Telecom
       7029     1608       1008         195   Windstream Communications Inc
      20115     1595       1542         634   Charter Communications 
      22773     1455       2906          99   Cox Communications, Inc.
      30036     1423        263         688   Mediacom Communications Corp 
      19262     1395       4724         399   Verizon Global Networks 
       7018     1331       7050         869   AT&T WorldNet 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      559        108         179   BILISIM TELEKOM
       6830      524       1811         322   UPC Distribution Services
      20940      515        166         401   Akamai Technologies European 
       3292      472       2080         404   TDC Tele Danmark
      12479      472        594           8   Uni2 Autonomous System
       8866      460        133          26   Bulgarian Telecommunication C
       3320      432       8152         376   Deutsche Telekom AG
      29049      424         31          55   AzerSat LLC.
       8402      415        352          13   Corbina telecom
       8551      403        354          44   Bezeq International
      
      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     1675        308         159   TVCABLE BOGOTA 
       8151     1409       2802         355   UniNet S.A. de C.V. 
      28573     1351       1012          68   NET Servicos de Comunicao S.A
       7303     1156        678         170   Telecom Argentina Stet-France
      14420      730         57          92   CORPORACION NACIONAL DE TELEC
       6503      580        450          68   AVANTEL, S.A. 
      22047      579        322          17   VTR PUNTO NET S.A. 
      27947      568         55          82   Telconet S.A
       3816      535        232          98   Empresa Nacional de Telecomun
      11172      516         85          91   Servicios Alestra S.A de C.V 
      
      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      813        147          43   LINKdotNET AS number
       8452      698        445          11   TEDATA
      15475      513         74           8   Nile Online
      36992      308        415          14   Etisalat MISR
       3741      267        938         228   The Internet Solution 
       6713      242        519          14   Itissalat Al-MAGHRIB
      33776      239         13           8   Starcomms Nigeria Limited
      15706      219         32           6   Sudatel Internet Exchange Aut
      12258      198         28          58   Vodacom Internet Company 
      29571      198         17          13   Ci Telecom Autonomous system 
      
      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     3563       3817         226   bellsouth.net, inc. 
      23456     3247        770        1753   32-bit ASN transition
       4766     2508      11047         955   Korea Telecom (KIX)
      17974     2010        516          31   PT TELEKOMUNIKASI INDONESIA
      18566     1912        364         237   Covad Communications 
       1785     1820        680         122   PaeTec Communications, Inc.
      10620     1675        308         159   TVCABLE BOGOTA 
       4323     1626       1085         393   Time Warner Telecom
       7029     1608       1008         195   Windstream Communications Inc
       7545     1597        303          85   TPG Internet Pty Ltd
      
      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      2010        1979      PT TELEKOMUNIKASI INDONESIA
       1785      1820        1698      PaeTec Communications, Inc.
      18566      1912        1675      Covad Communications 
       4766      2508        1553      Korea Telecom (KIX)
      10620      1675        1516      TVCABLE BOGOTA 
       7545      1597        1512      TPG Internet Pty Ltd
      23456      3247        1494      32-bit ASN transition
       7029      1608        1413      Windstream Communications Inc
       4755      1548        1378      TATA Communications formerly 
      22773      1455        1356      Cox Communications, Inc.
      
      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
      41.222.79.0/24       36938     >>UNKNOWN<<
      41.223.92.0/22       36936     >>UNKNOWN<<
      46.18.104.0/21       23456     32-bit ASN transition
      50.115.128.0/21      20248     Take 2 Hosting, Inc. 
      
      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        /8:19       /9:12      /10:27      /11:81      /12:235     
      /13:464     /14:800     /15:1411    /16:11970   /17:5965    /18:10012   
      /19:19731   /20:26875   /21:26973   /22:36182   /23:34758   /24:192858  
      /25:1105    /26:1294    /27:744     /28:165     /29:4       /30:0       
      /31:0       /32:5       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2200          3563      bellsouth.net, inc. 
      18566     1868          1912      Covad Communications 
      23456     1571          3247      32-bit ASN transition
      10620     1570          1675      TVCABLE BOGOTA 
      30036     1381          1423      Mediacom Communications Corp 
       7029     1308          1608      Windstream Communications Inc
      11492     1114          1152      Cable One 
       7011     1058          1183      Citizens Utilities 
       1785     1052          1820      PaeTec Communications, Inc.
      22773      945          1455      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:372       2:52        4:15        5:1         6:3         8:351    
        12:1951     13:1        14:540      15:13       16:3        17:5      
        20:10       23:32       24:1678     27:940      31:530      32:64     
        33:4        34:2        36:4        38:742      40:108      41:2576   
        42:48       44:3        46:983      47:3        49:243      50:419    
        52:13       54:2        55:5        56:2        57:35       58:876    
        59:501      60:376      61:1175     62:1088     63:1944     64:4047   
        65:2300     66:3928     67:1939     68:1100     69:3174     70:783    
        71:377      72:1859     74:2437     75:315      76:339      77:870    
        78:665      79:469      80:1122     81:839      82:503      83:499    
        84:687      85:1086     86:410      87:869      88:347      89:1535   
        90:234      91:4088     92:527      93:1150     94:1331     95:791    
        96:437      97:272      98:932      99:37      101:207     103:301    
       106:94      107:44      108:76      109:1017    110:668     111:784    
       112:313     113:440     114:566     115:685     116:922     117:680    
       118:891     119:1199    120:338     121:685     122:1602    123:1015   
       124:1355    125:1354    128:248     129:179     130:167     131:577    
       132:120     133:21      134:215     135:53      136:212     137:137    
       138:294     139:108     140:493     141:288     142:389     143:407    
       144:483     145:61      146:468     147:214     148:636     149:251    
       150:153     151:190     152:452     153:177     154:6       155:390    
       156:202     157:356     158:144     159:461     160:324     161:207    
       162:334     163:176     164:508     165:372     166:536     167:433    
       168:747     169:146     170:860     171:84      172:4       173:1639   
       174:628     175:393     176:176     177:251     178:999     180:1067   
       181:26      182:616     183:237     184:366     185:1       186:1440   
       187:667     188:938     189:872     190:5156    192:5911    193:5005   
       194:3522    195:3057    196:1251    197:148     198:3591    199:4101   
       200:5514    201:1636    202:8528    203:8484    204:4251    205:2333   
       206:2667    207:2829    208:4032    209:3457    210:2693    211:1467   
       212:2088    213:1768    214:784     215:75      216:4849    217:1610   
       218:552     219:333     220:1197    221:514     222:343     223:266    
      
      
      End of report