[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, 26 Jul 2008 04:08:08 +1000 (EST)
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  • 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 26 Jul, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              263817
          Prefixes after maximum aggregation:                          129203
          Deaggregation factor:                                          2.04
          Unique aggregates announced to Internet:                     128902
      Total ASes present in the Internet Routing Table:                 28747
          Prefixes per ASN:                                              9.18
      Origin-only ASes present in the Internet Routing Table:           25067
      Origin ASes announcing only one prefix:                           12114
      Transit ASes present in the Internet Routing Table:                3680
      Transit-only ASes present in the Internet Routing Table:             80
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      18
          Max AS path prepend of ASN ( 3816)                               15
      Prefixes from unregistered ASNs in the Routing Table:               585
          Unregistered ASNs in the Routing Table:                         213
      Number of 32-bit ASNs allocated by the RIRs:                         51
      Prefixes from 32-bit ASNs in the Routing Table:                       8
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            779
      Number of addresses announced to Internet:                   1879804352
          Equivalent to 112 /8s, 11 /16s and 137 /24s
          Percentage of available address space announced:               50.7
          Percentage of allocated address space announced:               61.6
          Percentage of available address space allocated:               82.3
          Percentage of address space in use by end-sites:               72.8
      Total number of prefixes smaller than registry allocations:      128837
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    60552
          Total APNIC prefixes after maximum aggregation:               22662
          APNIC Deaggregation factor:                                    2.67
      Prefixes being announced from the APNIC address blocks:           57525
          Unique aggregates announced from the APNIC address blocks:    25903
      APNIC Region origin ASes present in the Internet Routing Table:    3307
          APNIC Prefixes per ASN:                                       17.39
      APNIC Region origin ASes announcing only one prefix:                877
      APNIC Region transit ASes present in the Internet Routing Table:    519
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              368888864
          Equivalent to 21 /8s, 252 /16s and 204 /24s
          Percentage of available APNIC address space announced:         78.5
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
      APNIC Address Blocks    58/8,  59/8,  60/8,  61/8, 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, 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:                    121160
          Total ARIN prefixes after maximum aggregation:                65083
          ARIN Deaggregation factor:                                     1.86
      Prefixes being announced from the ARIN address blocks:            90677
          Unique aggregates announced from the ARIN address blocks:     34897
      ARIN Region origin ASes present in the Internet Routing Table:    12311
          ARIN Prefixes per ASN:                                         7.37
      ARIN Region origin ASes announcing only one prefix:                4750
      ARIN Region transit ASes present in the Internet Routing Table:    1154
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          15
      Number of ARIN addresses announced to Internet:               353191456
          Equivalent to 21 /8s, 13 /16s and 70 /24s
          Percentage of available ARIN address space announced:          72.6
      
      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
      ARIN Address Blocks     24/8,  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, 173/8, 174/8,
                             199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
                             216/8,
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     56776
          Total RIPE prefixes after maximum aggregation:                34509
          RIPE Deaggregation factor:                                     1.65
      Prefixes being announced from the RIPE address blocks:            51972
          Unique aggregates announced from the RIPE address blocks:     34924
      RIPE Region origin ASes present in the Internet Routing Table:    11625
          RIPE Prefixes per ASN:                                         4.47
      RIPE Region origin ASes announcing only one prefix:                6092
      RIPE Region transit ASes present in the Internet Routing Table:    1745
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               367204704
          Equivalent to 21 /8s, 227 /16s and 25 /24s
          Percentage of available RIPE address space announced:          84.2
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
      (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                             6656-6911, 8192-9215, 12288-13311, 15360-16383
                             20480-21503, 24576-25599, 28672-29695
                             30720-31743, 33792-35839, 38912-39935
                             40960-45055, 47104-48127
      RIPE Address Blocks     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, 193/8,
                             194/8, 195/8, 212/8, 213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   20746
          Total LACNIC prefixes after maximum aggregation:               5244
          LACNIC Deaggregation factor:                                   3.96
      Prefixes being announced from the LACNIC address blocks:          18960
          Unique aggregates announced from the LACNIC address blocks:   10738
      LACNIC Region origin ASes present in the Internet Routing Table:    971
          LACNIC Prefixes per ASN:                                      19.53
      LACNIC Region origin ASes announcing only one prefix:               318
      LACNIC Region transit ASes present in the Internet Routing Table:   165
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC addresses announced to Internet:              53835776
          Equivalent to 3 /8s, 53 /16s and 120 /24s
          Percentage of available LACNIC address space announced:        53.5
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 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:                   4001
          Total AfriNIC prefixes after maximum aggregation:              1217
          AfriNIC Deaggregation factor:                                  3.29
      Prefixes being announced from the AfriNIC address blocks:          4304
          Unique aggregates announced from the AfriNIC address blocks:   1861
      AfriNIC Region origin ASes present in the Internet Routing Table:   242
          AfriNIC Prefixes per ASN:                                     17.79
      AfriNIC Region origin ASes announcing only one prefix:               77
      AfriNIC Region transit ASes present in the Internet Routing Table:   47
      Average AfriNIC Region AS path length visible:                      3.9
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             12518400
          Equivalent to 0 /8s, 191 /16s and 4 /24s
          Percentage of available AfriNIC address space announced:       37.3
      
      AfriNIC AS Blocks      36864-37887 & ERX transfers
      AfriNIC Address Blocks  41/8, 196/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4755     1677        342         177   Videsh Sanchar Nigam Ltd. Aut
      17488     1236         85          99   Hathway IP Over Cable Interne
       9583     1145         86         482   Sify Limited
       4766      853       6390         347   Korea Telecom (KIX)
      23577      830         35         702   Korea Telecom (ATM-MPLS)
       4134      828      13603         337   CHINANET-BACKBONE
       4780      711        351          63   Digital United Inc.
      18101      710        167          33   Reliance Infocom Ltd Internet
       9498      661        291          57   BHARTI BT INTERNET LTD.
       4808      621       1120         138   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     3209       3359         213   bellsouth.net, inc. 
        209     2999       3859         623   Qwest 
       6298     1648        237         780   Cox Communicatons 
       4323     1486       1062         380   Time Warner Telecom
       2386     1485        663         879   AT&T Data Communications Serv
       7018     1412       5840         989   AT&T WorldNet Services
       1785     1227        510         104   AppliedTheory Corporation 
      11492     1208        149          28   Cable One 
      20115     1118       1082         572   Charter Communications 
      18566     1045        296          10   Covad Communications 
      
      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
       3292      413       1792         371   TDC Tele Danmark
       3301      332       1460         303   TeliaNet Sweden
       3320      322       7047         270   Deutsche Telekom AG
       8452      320        188          11   TEDATA
       8866      317         77          21   Bulgarian Telecommunication C
       5462      296        666          27   Telewest Broadband
       8551      288        270          38   Bezeq International
       3215      277       2758          90   France Telecom Transpac
        680      274       2047         264   DFN-IP service G-WiN
       6746      267        125         242   Dynamic Network Technologies,
      
      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     1384       2590         225   UniNet S.A. de C.V. 
      11830      612        299           9   Instituto Costarricense de El
      22047      565        270          14   VTR PUNTO NET S.A. 
       7303      472        233          60   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
       6471      415         85          48   ENTEL CHILE S.A. 
      11172      408        118          71   Servicios Alestra S.A de C.V 
      10620      407        107          56   TVCABLE BOGOTA 
      14117      375         23           9   Telefonica del Sur S.A. 
      20299      331         23         104   NEWCOM AMERICAS 
      
      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
      24863      478         61          25   LINKdotNET AS number
      20858      398         34           3   EgyNet
       3741      268        855         223   The Internet Solution 
       2018      209        197         131   Tertiary Education Network 
       6713      141        135          11   Itissalat Al-MAGHRIB
      33783      135         10          12   EEPAD TISP TELECOM & INTERNET
       5713      131        556          76   Telkom SA Ltd 
       5536      120          8          17   Internet Egypt Network
      33776      115          6           7   Starcomms Nigeria Limited
      29571      107         13           8   Ci Telecom Autonomous system 
      
      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     3209       3359         213   bellsouth.net, inc. 
        209     2999       3859         623   Qwest 
       4755     1677        342         177   Videsh Sanchar Nigam Ltd. Aut
       6298     1648        237         780   Cox Communicatons 
       4323     1486       1062         380   Time Warner Telecom
       2386     1485        663         879   AT&T Data Communications Serv
       7018     1412       5840         989   AT&T WorldNet Services
       8151     1384       2590         225   UniNet S.A. de C.V. 
      17488     1236         85          99   Hathway IP Over Cable Interne
       1785     1227        510         104   AppliedTheory Corporation 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
        209      2999        2376      Qwest 
       4755      1677        1500      Videsh Sanchar Nigam Ltd. Aut
      11492      1208        1180      Cable One 
       8151      1384        1159      UniNet S.A. de C.V. 
      17488      1236        1137      Hathway IP Over Cable Interne
       1785      1227        1123      AppliedTheory Corporation 
       4323      1486        1106      Time Warner Telecom
      18566      1045        1035      Covad Communications 
      22773       972         908      Cox Communications, Inc.
       6298      1648         868      Cox Communicatons 
      
      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          701       UUNET Technologies, 
      22492   UNALLOCATED   12.2.46.0/24          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
      13632   UNALLOCATED   12.20.55.0/24         6517       Yipes Communications
      13746   UNALLOCATED   12.24.56.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.25.107.0/24        7018       AT&T WorldNet Servic
      13632   UNALLOCATED   12.31.25.0/24         6517       Yipes Communications
      27220   UNALLOCATED   12.35.204.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.152.0/24        7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.48.244.0/23        7843     Adelphia Corp. 
      24.48.246.0/24        7843     Adelphia Corp. 
      24.51.159.0/24        7843     Adelphia Corp. 
      24.54.23.0/24         7843     Adelphia Corp. 
      24.54.224.0/19       20001     HoldCo LLC - Road Runner 
      24.75.160.0/19        7843     Adelphia Corp. 
      24.75.192.0/18        7843     Adelphia Corp. 
      24.142.40.0/21        7018     AT&T WorldNet Services
      24.142.160.0/19       7018     AT&T WorldNet Services
      24.246.0.0/17         7018     AT&T WorldNet Services
      
      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        /8:18       /9:9       /10:16      /11:45      /12:145     
      /13:288     /14:519     /15:1044    /16:10020   /17:4337    /18:7532    
      /19:15887   /20:18548   /21:18162   /22:22735   /23:23709   /24:138084  
      /25:837     /26:1019    /27:767     /28:82      /29:7       /30:1       
      /31:0       /32:6       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2040          3209      bellsouth.net, inc. 
        209     1750          2999      Qwest 
       6298     1624          1648      Cox Communicatons 
      11492     1190          1208      Cable One 
       2386     1182          1485      AT&T Data Communications Serv
      17488     1048          1236      Hathway IP Over Cable Interne
       4755     1029          1677      Videsh Sanchar Nigam Ltd. Aut
      18566     1026          1045      Covad Communications 
       6478     1006          1015      AT&T Worldnet Services 
       9583     1001          1145      Sify Limited
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         8:126      12:2107     13:2        15:22       16:3      
        17:5        18:13       20:35       24:1063     32:60       38:467    
        40:92       41:661      43:1        44:2        47:12       52:3      
        55:3        56:3        57:25       58:521      59:506      60:453    
        61:1011     62:1196     63:2042     64:3251     65:2391     66:3504   
        67:1227     68:744      69:2271     70:804      71:117      72:1965   
        73:5        74:1042     75:155      76:306      77:758      78:764    
        79:211      80:938      81:824      82:599      83:377      84:566    
        85:965      86:409      87:690      88:338      89:1323     90:15     
        91:1382     92:231      93:710      94:88       96:48       97:34     
        98:266      99:4       112:1       113:1       114:90      115:19     
       116:864     117:323     118:189     119:426     120:56      121:567    
       122:801     123:365     124:903     125:1177    128:361     129:198    
       130:134     131:410     132:66      133:9       134:186     135:33     
       136:224     137:92      138:146     139:93      140:494     141:99     
       142:408     143:332     144:393     145:51      146:366     147:156    
       148:517     149:196     150:125     151:180     152:143     153:136    
       154:10      155:252     156:175     157:290     158:187     159:237    
       160:279     161:118     162:215     163:155     164:518     165:452    
       166:319     167:331     168:621     169:139     170:426     171:32     
       172:10      188:1       189:297     190:2197    192:5797    193:4098   
       194:3229    195:2536    196:1025    198:3722    199:3279    200:5586   
       201:1463    202:7656    203:8052    204:3983    205:2128    206:2333   
       207:2753    208:3451    209:3515    210:2583    211:1073    212:1412   
       213:1583    214:164     215:49      216:4468    217:1208    218:342    
       219:423     220:1055    221:451     222:312    
      
      End of report