[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, ausnog at ausnog dot net, sanog at sanog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 5 Sep 2009 04:12:07 +1000 (EST)
  • Delivered-to: apops at mailman dot apnic dot net
  • List-archive: <http://mailman.apnic.net/mailing-lists/apops>
  • List-help: <mailto:apops-request@apops.net?subject=help>
  • List-id: Asia Pacific Operators Forum <apops.apops.net>
  • List-post: <mailto:apops@apops.net>
  • List-subscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=subscribe>
  • List-unsubscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=unsubscribe>
  • Reply-to: pfs@cisco.com
    • 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 <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 05 Sep, 2009
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              294331
          Prefixes after maximum aggregation:                          139398
          Deaggregation factor:                                          2.11
          Unique aggregates announced to Internet:                     147041
      Total ASes present in the Internet Routing Table:                 32126
          Prefixes per ASN:                                              9.16
      Origin-only ASes present in the Internet Routing Table:           27940
      Origin ASes announcing only one prefix:                           13641
      Transit ASes present in the Internet Routing Table:                4186
      Transit-only ASes present in the Internet Routing Table:            104
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      24
          Max AS path prepend of ASN (12026)                               22
      Prefixes from unregistered ASNs in the Routing Table:               407
          Unregistered ASNs in the Routing Table:                         114
      Number of 32-bit ASNs allocated by the RIRs:                        260
      Prefixes from 32-bit ASNs in the Routing Table:                     105
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            319
      Number of addresses announced to Internet:                   2101706432
          Equivalent to 125 /8s, 69 /16s and 126 /24s
          Percentage of available address space announced:               56.7
          Percentage of allocated address space announced:               64.9
          Percentage of available address space allocated:               87.3
          Percentage of address space in use by end-sites:               78.8
      Total number of prefixes smaller than registry allocations:      140659
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    70157
          Total APNIC prefixes after maximum aggregation:               24968
          APNIC Deaggregation factor:                                    2.81
      Prefixes being announced from the APNIC address blocks:           69597
          Unique aggregates announced from the APNIC address blocks:    31670
      APNIC Region origin ASes present in the Internet Routing Table:    3774
          APNIC Prefixes per ASN:                                       18.44
      APNIC Region origin ASes announcing only one prefix:               1035
      APNIC Region transit ASes present in the Internet Routing Table:    580
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         16
      Number of APNIC addresses announced to Internet:              493030848
          Equivalent to 29 /8s, 99 /16s and 13 /24s
          Percentage of available APNIC address space announced:         84.0
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
      APNIC Address Blocks    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, 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:                    124764
          Total ARIN prefixes after maximum aggregation:                66482
          ARIN Deaggregation factor:                                     1.88
      Prefixes being announced from the ARIN address blocks:           125341
          Unique aggregates announced from the ARIN address blocks:     52721
      ARIN Region origin ASes present in the Internet Routing Table:    13211
          ARIN Prefixes per ASN:                                         9.49
      ARIN Region origin ASes announcing only one prefix:                5107
      ARIN Region transit ASes present in the Internet Routing Table:    1297
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          24
      Number of ARIN addresses announced to Internet:              1013346368
          Equivalent to 60 /8s, 102 /16s and 112 /24s
          Percentage of available ARIN address space announced:          88.8
      
      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
      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,  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, 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:                     67698
          Total RIPE prefixes after maximum aggregation:                39917
          RIPE Deaggregation factor:                                     1.70
      Prefixes being announced from the RIPE address blocks:            67311
          Unique aggregates announced from the RIPE address blocks:     45605
      RIPE Region origin ASes present in the Internet Routing Table:    13456
          RIPE Prefixes per ASN:                                         5.00
      RIPE Region origin ASes announcing only one prefix:                7031
      RIPE Region transit ASes present in the Internet Routing Table:    2002
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          21
      Number of RIPE addresses announced to Internet:               499964864
          Equivalent to 29 /8s, 204 /16s and 219 /24s
          Percentage of available RIPE address space announced:          99.3
      
      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
      RIPE Address Blocks     25/8,  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:                   25342
          Total LACNIC prefixes after maximum aggregation:               6213
          LACNIC Deaggregation factor:                                   4.08
      Prefixes being announced from the LACNIC address blocks:          25334
          Unique aggregates announced from the LACNIC address blocks:   14125
      LACNIC Region origin ASes present in the Internet Routing Table:   1174
          LACNIC Prefixes per ASN:                                      21.58
      LACNIC Region origin ASes announcing only one prefix:               380
      LACNIC Region transit ASes present in the Internet Routing Table:   192
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        22
      Number of LACNIC addresses announced to Internet:              73761280
          Equivalent to 4 /8s, 101 /16s and 130 /24s
          Percentage of available LACNIC address space announced:        73.3
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247
                             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:                   6028
          Total AfriNIC prefixes after maximum aggregation:              1570
          AfriNIC Deaggregation factor:                                  3.84
      Prefixes being announced from the AfriNIC address blocks:          6429
          Unique aggregates announced from the AfriNIC address blocks:   2659
      AfriNIC Region origin ASes present in the Internet Routing Table:   313
          AfriNIC Prefixes per ASN:                                     20.54
      AfriNIC Region origin ASes announcing only one prefix:               88
      AfriNIC Region transit ASes present in the Internet Routing Table:   67
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             20185600
          Equivalent to 1 /8s, 52 /16s and 2 /24s
          Percentage of available AfriNIC address space announced:       60.2
      
      AfriNIC AS Blocks      36864-37887 & 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     1723       6982         427   Korea Telecom (KIX)
      17488     1553        140         103   Hathway IP Over Cable Interne
       4755     1231        292         141   TATA Communications formerly 
       9583     1095         87         534   Sify Limited
       4134     1001      18165         390   CHINANET-BACKBONE
      18101      952        201          31   Reliance Infocom Ltd Internet
       7545      822        198         102   TPG Internet Pty Ltd
       9829      798        625          18   BSNL National Internet Backbo
      23577      770         33         654   Korea Telecom (ATM-MPLS)
       4808      767       1531         182   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     4178       3610         312   bellsouth.net, inc. 
       4323     1924       1049         387   Time Warner Telecom
       1785     1736        714         137   PaeTec Communications, Inc.
       7018     1495       5908        1059   AT&T WorldNet Services
      20115     1472       1475         683   Charter Communications 
       6478     1396        281         260   AT&T Worldnet Services 
       2386     1289        655         936   AT&T Data Communications Serv
       3356     1218      10980         440   Level 3 Communications, LLC 
      22773     1095       2604          66   Cox Communications, Inc.
      11492     1092        208          12   Cable One 
      
      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
      30890      487         92         197   Evolva Telecom
      12479      477        578           6   Uni2 Autonomous System
       3292      458       1904         395   TDC Tele Danmark
        702      426       1821         344   UUNET - Commercial IP service
      35805      385         40           5   United Telecom of Georgia
       9198      368        138          12   Kazakhtelecom Data Network Ad
       8866      358        109          22   Bulgarian Telecommunication C
       3320      353       7067         303   Deutsche Telekom AG
       3301      347       1412         308   TeliaNet Sweden
       3215      344       3081         109   France Telecom Transpac
      
      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     1477       2898         242   UniNet S.A. de C.V. 
      10620     1009        226          99   TVCABLE BOGOTA 
      28573      697        607          61   NET Servicos de Comunicao S.A
       7303      635        336          93   Telecom Argentina Stet-France
      22047      542        302          14   VTR PUNTO NET S.A. 
      11830      476        310          58   Instituto Costarricense de El
      11172      441         99          70   Servicios Alestra S.A de C.V 
      14117      435         29          11   Telefonica del Sur S.A. 
       6471      421         96          31   ENTEL CHILE S.A. 
       7738      419        858          29   Telecomunicacoes da Bahia S.A
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8452      989        188           7   TEDATA
      24863      884         94          60   LINKdotNET AS number
      20858      296         34           6   EgyNet
       3741      274        856         235   The Internet Solution 
       2018      202        180         142   Tertiary Education Network 
       6713      175        166          16   Itissalat Al-MAGHRIB
      29571      139         14           6   Ci Telecom Autonomous system 
       5536      122          8          13   Internet Egypt Network
       5713      116        508          67   Telkom SA Ltd 
      33776      115          7          11   Starcomms Nigeria Limited
      
      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     4178       3610         312   bellsouth.net, inc. 
       4323     1924       1049         387   Time Warner Telecom
       1785     1736        714         137   PaeTec Communications, Inc.
       4766     1723       6982         427   Korea Telecom (KIX)
      17488     1553        140         103   Hathway IP Over Cable Interne
       7018     1495       5908        1059   AT&T WorldNet Services
       8151     1477       2898         242   UniNet S.A. de C.V. 
      20115     1472       1475         683   Charter Communications 
       6478     1396        281         260   AT&T Worldnet Services 
       2386     1289        655         936   AT&T Data Communications Serv
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       1785      1736        1599      PaeTec Communications, Inc.
       4323      1924        1537      Time Warner Telecom
      17488      1553        1450      Hathway IP Over Cable Interne
       4766      1723        1296      Korea Telecom (KIX)
       8151      1477        1235      UniNet S.A. de C.V. 
       6478      1396        1136      AT&T Worldnet Services 
       4755      1231        1090      TATA Communications formerly 
      11492      1092        1080      Cable One 
      18566      1062        1052      Covad Communications 
      22773      1095        1029      Cox Communications, Inc.
      
      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   12.39.159.0/24        7018       AT&T WorldNet Servic
      32326   UNALLOCATED   12.40.49.0/24         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
      41.223.92.0/22       36936     >>UNKNOWN<<
      41.223.176.0/22      36981     >>UNKNOWN<<
      41.223.189.0/24      26452     Local Communications Networks
      43.245.0.0/16         7502     Internetwork Kyoto
      43.245.96.0/20        7502     Internetwork Kyoto
      43.245.112.0/20       7502     Internetwork Kyoto
      43.245.192.0/20       7502     Internetwork Kyoto
      43.245.208.0/20       7502     Internetwork Kyoto
      43.245.224.0/20       7502     Internetwork Kyoto
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      
      Complete listing at http://thyme.apnic.net/current/data-add-IANA
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:19       /9:10      /10:25      /11:62      /12:168     
      /13:351     /14:624     /15:1181    /16:10644   /17:4824    /18:8362    
      /19:17349   /20:20714   /21:20551   /22:26629   /23:26406   /24:153628  
      /25:946     /26:1077    /27:583     /28:153     /29:8       /30:9       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2708          4178      bellsouth.net, inc. 
       4766     1408          1723      Korea Telecom (KIX)
      17488     1299          1553      Hathway IP Over Cable Interne
       1785     1206          1736      PaeTec Communications, Inc.
      18566     1043          1062      Covad Communications 
      11492     1021          1092      Cable One 
       4323      968          1924      Time Warner Telecom
       9583      947          1095      Sify Limited
      10620      915          1009      TVCABLE BOGOTA 
       8452      913           989      TEDATA
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:14        8:213      12:2137     13:7        15:21       16:3      
        17:5        20:35       24:1117     32:52       34:2        38:598    
        40:97       41:1730     43:1        44:2        47:20       52:6      
        55:2        56:2        57:25       58:595      59:607      60:461    
        61:958      62:1074     63:2013     64:3631     65:2392     66:3438   
        67:1773     68:946      69:2733     70:557      71:163      72:1682   
        73:2        74:1732     75:179      76:322      77:861      78:577    
        79:375      80:913      81:819      82:528      83:426      84:638    
        85:1042     86:378      87:674      88:369      89:1472     90:52     
        91:2520     92:397      93:1134     94:1155     95:912      96:166    
        97:268      98:271      99:30      109:1       110:184     111:398    
       112:128     113:151     114:243     115:306     116:1135    117:565    
       118:322     119:774     120:122     121:652     122:1247    123:761    
       124:1067    125:1356    128:223     129:219     130:129     131:420    
       132:75      133:9       134:174     135:42      136:225     137:161    
       138:171     139:84      140:442     141:125     142:385     143:332    
       144:385     145:49      146:390     147:157     148:530     149:213    
       150:205     151:186     152:210     153:153     154:2       155:279    
       156:167     157:305     158:112     159:349     160:291     161:164    
       162:270     163:159     164:276     165:526     166:474     167:365    
       168:708     169:167     170:481     171:42      172:2       173:407    
       174:332     175:1       178:1       180:17      182:1       186:141    
       187:150     188:761     189:580     190:3026    192:5766    193:4251   
       194:3284    195:2742    196:1126    198:3543    199:3356    200:5178   
       201:1306    202:7783    203:8285    204:3890    205:2195    206:2391   
       207:2739    208:3948    209:3406    210:2543    211:1107    212:1602   
       213:1649    214:174     215:32      216:4292    217:1334    218:411    
       219:414     220:1110    221:462     222:323    
      
      End of report