[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, 19 Feb 2011 04:27:23 +1000 (EST)
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  • Reply-to: pfs@cisco.com
    • 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 <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 19 Feb, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              347279
          Prefixes after maximum aggregation:                          156690
          Deaggregation factor:                                          2.22
          Unique aggregates announced to Internet:                     171504
      Total ASes present in the Internet Routing Table:                 35911
          Prefixes per ASN:                                              9.67
      Origin-only ASes present in the Internet Routing Table:           30942
      Origin ASes announcing only one prefix:                           14976
      Transit ASes present in the Internet Routing Table:                4969
      Transit-only ASes present in the Internet Routing Table:            122
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      31
          Max AS path prepend of ASN (36992)                               29
      Prefixes from unregistered ASNs in the Routing Table:               333
          Unregistered ASNs in the Routing Table:                         135
      Number of 32-bit ASNs allocated by the RIRs:                       1131
      Prefixes from 32-bit ASNs in the Routing Table:                       1
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            206
      Number of addresses announced to Internet:                   2396213440
          Equivalent to 142 /8s, 211 /16s and 80 /24s
          Percentage of available address space announced:               64.6
          Percentage of allocated address space announced:               64.6
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               88.0
      Total number of prefixes smaller than registry allocations:      143943
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    85964
          Total APNIC prefixes after maximum aggregation:               29310
          APNIC Deaggregation factor:                                    2.93
      Prefixes being announced from the APNIC address blocks:           82763
          Unique aggregates announced from the APNIC address blocks:    35864
      APNIC Region origin ASes present in the Internet Routing Table:    4330
          APNIC Prefixes per ASN:                                       19.11
      APNIC Region origin ASes announcing only one prefix:               1205
      APNIC Region transit ASes present in the Internet Routing Table:    691
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         18
      Number of APNIC addresses announced to Internet:              589615904
          Equivalent to 35 /8s, 36 /16s and 211 /24s
          Percentage of available APNIC address space announced:         74.8
      
      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:                    139812
          Total ARIN prefixes after maximum aggregation:                71478
          ARIN Deaggregation factor:                                     1.96
      Prefixes being announced from the ARIN address blocks:           110606
          Unique aggregates announced from the ARIN address blocks:     44958
      ARIN Region origin ASes present in the Internet Routing Table:    14208
          ARIN Prefixes per ASN:                                         7.78
      ARIN Region origin ASes announcing only one prefix:                5412
      ARIN Region transit ASes present in the Internet Routing Table:    1470
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          27
      Number of ARIN addresses announced to Internet:               787367552
          Equivalent to 46 /8s, 238 /16s and 70 /24s
          Percentage of available ARIN address space announced:          62.6
      
      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
                             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:                     82060
          Total RIPE prefixes after maximum aggregation:                46598
          RIPE Deaggregation factor:                                     1.76
      Prefixes being announced from the RIPE address blocks:            75405
          Unique aggregates announced from the RIPE address blocks:     49074
      RIPE Region origin ASes present in the Internet Routing Table:    15325
          RIPE Prefixes per ASN:                                         4.92
      RIPE Region origin ASes announcing only one prefix:                7790
      RIPE Region transit ASes present in the Internet Routing Table:    2392
      Average RIPE Region AS path length visible:                         4.6
          Max RIPE Region AS path length visible:                          30
      Number of RIPE addresses announced to Internet:               460222144
          Equivalent to 27 /8s, 110 /16s and 110 /24s
          Percentage of available RIPE address space announced:          74.1
      
      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:                   31784
          Total LACNIC prefixes after maximum aggregation:               7387
          LACNIC Deaggregation factor:                                   4.30
      Prefixes being announced from the LACNIC address blocks:          30548
          Unique aggregates announced from the LACNIC address blocks:   15959
      LACNIC Region origin ASes present in the Internet Routing Table:   1429
          LACNIC Prefixes per ASN:                                      21.38
      LACNIC Region origin ASes announcing only one prefix:               436
      LACNIC Region transit ASes present in the Internet Routing Table:   261
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              80804992
          Equivalent to 4 /8s, 208 /16s and 252 /24s
          Percentage of available LACNIC address space announced:        53.5
      
      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:                   7445
          Total AfriNIC prefixes after maximum aggregation:              1807
          AfriNIC Deaggregation factor:                                  4.12
      Prefixes being announced from the AfriNIC address blocks:          5842
          Unique aggregates announced from the AfriNIC address blocks:   1841
      AfriNIC Region origin ASes present in the Internet Routing Table:   437
          AfriNIC Prefixes per ASN:                                     13.37
      AfriNIC Region origin ASes announcing only one prefix:              132
      AfriNIC Region transit ASes present in the Internet Routing Table:   95
      Average AfriNIC Region AS path length visible:                      5.4
          Max AfriNIC Region AS path length visible:                       31
      Number of AfriNIC addresses announced to Internet:             21857280
          Equivalent to 1 /8s, 77 /16s and 132 /24s
          Percentage of available AfriNIC address space announced:       32.6
      
      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     2307       9497         819   Korea Telecom (KIX)
       7545     1628        302          87   TPG Internet Pty Ltd
       4755     1417        634         163   TATA Communications formerly 
      17974     1409        475          29   PT TELEKOMUNIKASI INDONESIA
      24560     1113        323         182   Bharti Airtel Ltd., Telemedia
       9583     1044         77         488   Sify Limited
       4808     1042       2142         294   CNCGROUP IP network: China169
      17488      950        162         103   Hathway IP Over Cable Interne
      18101      929        117         141   Reliance Infocom Ltd Internet
       9829      898        763          42   BSNL National Internet Backbo
      
      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     3694       3855         261   bellsouth.net, inc. 
       4323     2623       1109         405   Time Warner Telecom
      19262     1843       4955         283   Verizon Global Networks 
       1785     1784        697         131   PaeTec Communications, Inc.
      20115     1527       1534         646   Charter Communications 
       6478     1510        295          78   AT&T Worldnet Services 
      18566     1433        320         158   Covad Communications 
       7018     1358       6674         878   AT&T WorldNet Services
       2386     1297        553         934   AT&T Data Communications Serv
      11492     1280        236          73   Cable One 
      
      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
       6830      513       1764         318   UPC Distribution Services
       9198      468        267          15   Kazakhtelecom Data Network Ad
      34984      463         98         143   BILISIM TELEKOM
       3292      447       1996         388   TDC Tele Danmark
       8866      440        133          23   Bulgarian Telecommunication C
      20940      412         99         318   Akamai Technologies European 
       3320      410       7620         357   Deutsche Telekom AG
       8551      403        353          46   Bezeq International
        702      396       1800         309   UUNET - Commercial IP service
       3301      383       1822         341   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     1374        255         166   TVCABLE BOGOTA 
       8151     1342       2664         359   UniNet S.A. de C.V. 
      28573     1232        961          82   NET Servicos de Comunicao S.A
       6503     1187        354          73   AVANTEL, S.A. 
       7303      898        463         142   Telecom Argentina Stet-France
      14420      638         57          92   CORPORACION NACIONAL DE TELEC
      22047      545        310          15   VTR PUNTO NET S.A. 
       3816      508        221          97   Empresa Nacional de Telecomun
       7738      478        922          30   Telecomunicacoes da Bahia S.A
      14117      461         34          33   Telefonica del Sur 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      763        147          39   LINKdotNET AS number
       8452      730        445          11   TEDATA
      15475      496         90          12   Nile Online
      36992      301        271          14   Etisalat MISR
       3741      264        987         226   The Internet Solution 
      24835      219         78          10   RAYA Telecom - Egypt
       6713      205        199          12   Itissalat Al-MAGHRIB
      33776      194         12          15   Starcomms Nigeria Limited
      29571      192         17          11   Ci Telecom Autonomous system 
      16637      149        422          85   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     3694       3855         261   bellsouth.net, inc. 
       4323     2623       1109         405   Time Warner Telecom
       4766     2307       9497         819   Korea Telecom (KIX)
      19262     1843       4955         283   Verizon Global Networks 
       1785     1784        697         131   PaeTec Communications, Inc.
       7545     1628        302          87   TPG Internet Pty Ltd
      20115     1527       1534         646   Charter Communications 
       6478     1510        295          78   AT&T Worldnet Services 
      18566     1433        320         158   Covad Communications 
       4755     1417        634         163   TATA Communications formerly 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      2623        2218      Time Warner Telecom
       1785      1784        1653      PaeTec Communications, Inc.
      19262      1843        1560      Verizon Global Networks 
       7545      1628        1541      TPG Internet Pty Ltd
       4766      2307        1488      Korea Telecom (KIX)
       6478      1510        1432      AT&T Worldnet Services 
      17974      1409        1380      PT TELEKOMUNIKASI INDONESIA
      18566      1433        1275      Covad Communications 
       4755      1417        1254      TATA Communications formerly 
      10620      1374        1208      TVCABLE BOGOTA 
      
      Complete listing at http://thyme.rand.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        4323       Time Warner Telecom
      13746   UNALLOCATED  12.24.56.0/24         7018       AT&T WorldNet Servic
      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
      
      Complete listing at http://thyme.rand.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      5.0.0.0/16           12654     RIPE NCC RIS Project
      5.1.0.0/21           12654     RIPE NCC RIS Project
      5.1.24.0/24          12654     RIPE NCC RIS Project
      24.129.192.0/19       7922     Continental Cablevision 
      37.0.0.0/16          12654     RIPE NCC RIS Project
      37.1.0.0/21          12654     RIPE NCC RIS Project
      37.1.24.0/24         12654     RIPE NCC RIS Project
      39.0.0.0/8             237     Merit Network 
      41.57.192.0/18       22750     BCSNET
      41.222.79.0/24       36938     >>UNKNOWN<<
      
      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        /8:21       /9:10      /10:26      /11:72      /12:215     
      /13:445     /14:764     /15:1368    /16:11511   /17:5649    /18:9326    
      /19:18851   /20:24423   /21:24899   /22:33017   /23:31756   /24:181723  
      /25:1076    /26:1274    /27:657     /28:169     /29:16      /30:3       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2281          3694      bellsouth.net, inc. 
       6478     1464          1510      AT&T Worldnet Services 
       4323     1413          2623      Time Warner Telecom
      18566     1411          1433      Covad Communications 
      10620     1265          1374      TVCABLE BOGOTA 
      11492     1237          1280      Cable One 
       1785     1054          1784      PaeTec Communications, Inc.
       7011     1054          1157      Citizens Utilities 
       6503      969          1187      AVANTEL, S.A. 
      19262      954          1843      Verizon Global Networks 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:196       2:42        4:13        5:1         8:334      12:2029   
        13:1        14:409      15:15       16:3        17:8        20:9      
        23:1        24:1489     27:587      32:60       33:4        34:2      
        37:1        38:706      40:101      41:2241     44:3        46:617    
        47:4        49:149      50:93       52:12       55:2        56:2      
        57:32       58:862      59:475      60:391      61:1107     62:1053   
        63:1940     64:3828     65:2349     66:4224     67:1781     68:1028   
        69:2949     70:736      71:403      72:2020     73:1        74:2344   
        75:292      76:346      77:871      78:710      79:446      80:1053   
        81:823      82:503      83:475      84:634      85:1043     86:559    
        87:750      88:355      89:1573     90:157      91:3516     92:493    
        93:1039     94:1208     95:768      96:453      97:251      98:824    
        99:33      101:31      107:3       108:88      109:929     110:480    
       111:706     112:314     113:369     114:500     115:656     116:928    
       117:687     118:675     119:1021    120:242     121:701     122:1627   
       123:1052    124:1286    125:1257    128:266     129:156     130:170    
       131:569     132:109     133:20      134:216     135:49      136:215    
       137:146     138:292     139:119     140:494     141:203     142:359    
       143:376     144:486     145:51      146:437     147:199     148:638    
       149:276     150:160     151:229     152:298     153:180     154:3      
       155:349     156:176     157:342     158:129     159:380     160:313    
       161:206     162:274     163:161     164:486     165:338     166:502    
       167:422     168:737     169:150     170:754     171:69      172:11     
       173:1318    174:530     175:317     176:1       177:9       178:783    
       180:810     182:361     183:247     184:210     186:1010    187:826    
       188:895     189:1067    190:4404    192:5802    193:4803    194:3509   
       195:2955    196:1191    197:3       198:3573    199:3834    200:5595   
       201:1581    202:8260    203:8442    204:4101    205:2341    206:2624   
       207:3086    208:3903    209:3496    210:2632    211:1340    212:1930   
       213:1737    214:739     215:62      216:4892    217:1621    218:540    
       219:379     220:1201    221:452     222:312     223:100    
      
      End of report