[apops] Weekly Routing Table Report

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  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 24 Jul 2010 04:11:10 +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 NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG 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.apnic.net.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 24 Jul, 2010
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              326536
          Prefixes after maximum aggregation:                          150103
          Deaggregation factor:                                          2.18
          Unique aggregates announced to Internet:                     159244
      Total ASes present in the Internet Routing Table:                 34425
          Prefixes per ASN:                                              9.49
      Origin-only ASes present in the Internet Routing Table:           29885
      Origin ASes announcing only one prefix:                           14463
      Transit ASes present in the Internet Routing Table:                4540
      Transit-only ASes present in the Internet Routing Table:            105
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      26
          Max AS path prepend of ASN (41664)                               21
      Prefixes from unregistered ASNs in the Routing Table:               304
          Unregistered ASNs in the Routing Table:                         118
      Number of 32-bit ASNs allocated by the RIRs:                        701
      Prefixes from 32-bit ASNs in the Routing Table:                     851
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            162
      Number of addresses announced to Internet:                   2277322752
          Equivalent to 135 /8s, 189 /16s and 48 /24s
          Percentage of available address space announced:               61.4
          Percentage of allocated address space announced:               66.2
          Percentage of available address space allocated:               92.8
          Percentage of address space in use by end-sites:               83.9
      Total number of prefixes smaller than registry allocations:      155564
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    79446
          Total APNIC prefixes after maximum aggregation:               27173
          APNIC Deaggregation factor:                                    2.92
      Prefixes being announced from the APNIC address blocks:           76327
          Unique aggregates announced from the APNIC address blocks:    33533
      APNIC Region origin ASes present in the Internet Routing Table:    4123
          APNIC Prefixes per ASN:                                       18.51
      APNIC Region origin ASes announcing only one prefix:               1135
      APNIC Region transit ASes present in the Internet Routing Table:    637
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              532226080
          Equivalent to 31 /8s, 185 /16s and 32 /24s
          Percentage of available APNIC address space announced:         79.3
      
      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,  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, 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:                    134651
          Total ARIN prefixes after maximum aggregation:                69494
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           107489
          Unique aggregates announced from the ARIN address blocks:     42017
      ARIN Region origin ASes present in the Internet Routing Table:    13802
          ARIN Prefixes per ASN:                                         7.79
      ARIN Region origin ASes announcing only one prefix:                5273
      ARIN Region transit ASes present in the Internet Routing Table:    1358
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          22
      Number of ARIN addresses announced to Internet:               729830688
          Equivalent to 43 /8s, 128 /16s and 85 /24s
          Percentage of available ARIN address space announced:          62.1
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                             3354-4607, 4865-5119, 5632-6655, 6912-7466
                             7723-8191, 10240-12287, 13312-15359, 16384-17407
                             18432-20479, 21504-23551, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863, 39936-40959, 46080-47103
                             53248-55295, 393216-394239
      ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                              12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                              20/8,  21/8,  22/8,  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,  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, 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:                     75032
          Total RIPE prefixes after maximum aggregation:                43448
          RIPE Deaggregation factor:                                     1.73
      Prefixes being announced from the RIPE address blocks:            68199
          Unique aggregates announced from the RIPE address blocks:     44519
      RIPE Region origin ASes present in the Internet Routing Table:    14632
          RIPE Prefixes per ASN:                                         4.66
      RIPE Region origin ASes announcing only one prefix:                7521
      RIPE Region transit ASes present in the Internet Routing Table:    2185
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          24
      Number of RIPE addresses announced to Internet:               433475968
          Equivalent to 25 /8s, 214 /16s and 81 /24s
          Percentage of available RIPE address space announced:          76.0
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
      (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                             6656-6911, 8192-9215, 12288-13311, 15360-16383
                             20480-21503, 24576-25599, 28672-29695
                             30720-31743, 33792-35839, 38912-39935
                             40960-45055, 47104-52223, 196608-197631
      RIPE Address Blocks      2/8,  25/8,  31/8,  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,
                             193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   29026
          Total LACNIC prefixes after maximum aggregation:               6973
          LACNIC Deaggregation factor:                                   4.16
      Prefixes being announced from the LACNIC address blocks:          27538
          Unique aggregates announced from the LACNIC address blocks:   14474
      LACNIC Region origin ASes present in the Internet Routing Table:   1311
          LACNIC Prefixes per ASN:                                      21.01
      LACNIC Region origin ASes announcing only one prefix:               414
      LACNIC Region transit ASes present in the Internet Routing Table:   232
      Average LACNIC Region AS path length visible:                       3.9
          Max LACNIC Region AS path length visible:                        26
      Number of LACNIC addresses announced to Internet:              75723840
          Equivalent to 4 /8s, 131 /16s and 116 /24s
          Percentage of available LACNIC address space announced:        56.4
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 plus ERX transfers
      LACNIC Address Blocks  177/8, 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:                   7279
          Total AfriNIC prefixes after maximum aggregation:              1870
          AfriNIC Deaggregation factor:                                  3.89
      Prefixes being announced from the AfriNIC address blocks:          5589
          Unique aggregates announced from the AfriNIC address blocks:   1640
      AfriNIC Region origin ASes present in the Internet Routing Table:   383
          AfriNIC Prefixes per ASN:                                     14.59
      AfriNIC Region origin ASes announcing only one prefix:              120
      AfriNIC Region transit ASes present in the Internet Routing Table:   84
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             19892224
          Equivalent to 1 /8s, 47 /16s and 136 /24s
          Percentage of available AfriNIC address space announced:       59.3
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & 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     1857       8409         489   Korea Telecom (KIX)
       4755     1474        298         160   TATA Communications formerly 
       7545     1361        232         104   TPG Internet Pty Ltd
      17488     1334        147         128   Hathway IP Over Cable Interne
      17974     1179        286          55   PT TELEKOMUNIKASI INDONESIA
       9583     1002         74         486   Sify Limited
      24560      985        304         179   Bharti Airtel Ltd., Telemedia
       4808      827       1575         219   CNCGROUP IP network: China169
       9829      813        685          32   BSNL National Internet Backbo
       4134      783      21740         411   CHINANET-BACKBONE
      
      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     3889       3718         287   bellsouth.net, inc. 
       4323     2723       1112         393   Time Warner Telecom
      19262     1942       4567         278   Verizon Global Networks 
       1785     1780        698         129   PaeTec Communications, Inc.
      20115     1488       1522         654   Charter Communications 
       7018     1477       5734         960   AT&T WorldNet Services
       2386     1287        568         909   AT&T Data Communications Serv
       6478     1261        252         187   AT&T Worldnet Services 
      22773     1172       2858          61   Cox Communications, Inc.
       3356     1159      10878         403   Level 3 Communications, LLC 
      
      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
      35805      653         56           6   United Telecom of Georgia
       9198      497        202          13   Kazakhtelecom Data Network Ad
       3292      449       2026         390   TDC Tele Danmark
      30890      442        111         206   Evolva Telecom
        702      413       1869         325   UUNET - Commercial IP service
       8866      403        117          18   Bulgarian Telecommunication C
       8551      401        353          46   Bezeq International
       3320      375       7329         326   Deutsche Telekom AG
       3301      371       1414         326   TeliaNet Sweden
      34984      363         89         183   BILISIM TELEKOM
      
      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     1460       3049         251   UniNet S.A. de C.V. 
      10620     1072        240         149   TVCABLE BOGOTA 
      28573     1011        818         100   NET Servicos de Comunicao S.A
       7303      768        396         103   Telecom Argentina Stet-France
       6503      700        177         218   AVANTEL, S.A. 
      22047      553        310          15   VTR PUNTO NET S.A. 
      14420      499         32          72   CORPORACION NACIONAL DE TELEC
       3816      492        208          87   Empresa Nacional de Telecomun
       7738      477        922          30   Telecomunicacoes da Bahia S.A
      11172      448         99          76   Servicios Alestra S.A de C.V 
      
      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     1107        445          10   TEDATA
      24863      727        147          39   LINKdotNET AS number
      36992      651        279         185   Etisalat MISR
       3741      269        898         231   The Internet Solution 
      33776      220         12          12   Starcomms Nigeria Limited
       2018      210        245          62   Tertiary Education Network 
       6713      195        186          16   Itissalat Al-MAGHRIB
      24835      189         78           9   RAYA Telecom - Egypt
      29571      183         19          10   Ci Telecom Autonomous system 
      16637      159        423          93   MTN Network Solutions
      
      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     3889       3718         287   bellsouth.net, inc. 
       4323     2723       1112         393   Time Warner Telecom
      19262     1942       4567         278   Verizon Global Networks 
       4766     1857       8409         489   Korea Telecom (KIX)
       1785     1780        698         129   PaeTec Communications, Inc.
      20115     1488       1522         654   Charter Communications 
       7018     1477       5734         960   AT&T WorldNet Services
       4755     1474        298         160   TATA Communications formerly 
       8151     1460       3049         251   UniNet S.A. de C.V. 
       7545     1361        232         104   TPG Internet Pty Ltd
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      2723        2330      Time Warner Telecom
      19262      1942        1664      Verizon Global Networks 
       1785      1780        1651      PaeTec Communications, Inc.
       4766      1857        1368      Korea Telecom (KIX)
       4755      1474        1314      TATA Communications formerly 
       7545      1361        1257      TPG Internet Pty Ltd
       8151      1460        1209      UniNet S.A. de C.V. 
      17488      1334        1206      Hathway IP Over Cable Interne
      17974      1179        1124      PT TELEKOMUNIKASI INDONESIA
      22773      1172        1111      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  12.39.155.0/24        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.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      31.0.0.0/16          12654     RIPE NCC RIS Project
      31.1.0.0/21          12654     RIPE NCC RIS Project
      31.1.24.0/24         12654     RIPE NCC RIS Project
      41.222.79.0/24       36938     >>UNKNOWN<<
      41.223.92.0/22       36936     >>UNKNOWN<<
      41.223.188.0/24      22351     Intelsat 
      41.223.189.0/24       6453     Teleglobe Inc. 
      41.223.196.0/24      36990     Alkan Telecom Ltd
      41.223.197.0/24      36990     Alkan Telecom Ltd
      41.223.198.0/24      36990     Alkan Telecom Ltd
      
      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        /8:21       /9:10      /10:25      /11:68      /12:198     
      /13:408     /14:710     /15:1296    /16:11185   /17:5336    /18:9163    
      /19:18517   /20:23089   /21:23139   /22:30043   /23:29643   /24:170473  
      /25:1046    /26:1310    /27:768     /28:28      /29:47      /30:6       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2490          3889      bellsouth.net, inc. 
       4766     1487          1857      Korea Telecom (KIX)
       4323     1394          2723      Time Warner Telecom
       1785     1242          1780      PaeTec Communications, Inc.
      17488     1078          1334      Hathway IP Over Cable Interne
      18566     1069          1088      Covad Communications 
      11492     1067          1158      Cable One 
       8452     1000          1107      TEDATA
      10620      988          1072      TVCABLE BOGOTA 
      19262      912          1942      Verizon Global Networks 
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:12        2:2         4:13        8:290      12:2018     13:7      
        14:1        15:21       16:3        17:8        20:6        24:1463   
        27:251      31:1        32:49       33:12       38:691      40:98     
        41:2441     44:3        46:10       47:17       52:9        55:5      
        56:2        57:28       58:761      59:504      60:462      61:1068   
        62:1034     63:1972     64:3693     65:2344     66:4046     67:1823   
        68:1093     69:2705     70:708      71:446      72:1946     73:2      
        74:2261     75:250      76:318      77:900      78:622      79:433    
        80:995      81:767      82:495      83:439      84:682      85:1044   
        86:457      87:685      88:340      89:1560     90:95       91:2895   
        92:506      93:991      94:1403     95:654      96:528      97:210    
        98:614      99:33      108:105     109:583     110:391     111:533    
       112:287     113:327     114:437     115:573     116:1083    117:654    
       118:481     119:877     120:135     121:727     122:1564    123:948    
       124:1115    125:1312    128:227     129:198     130:193     131:557    
       132:247     133:17      134:195     135:45      136:242     137:145    
       138:265     139:104     140:484     141:196     142:342     143:373    
       144:465     145:50      146:450     147:168     148:662     149:290    
       150:155     151:230     152:296     153:168     154:2       155:357    
       156:159     157:324     158:110     159:357     160:317     161:183    
       162:255     163:174     164:410     165:367     166:460     167:414    
       168:646     169:157     170:716     171:59      172:2       173:950    
       174:502     175:152     176:1       178:314     180:466     182:198    
       183:240     184:115     186:519     187:379     188:1012    189:750    
       190:3817    192:5742    193:4721    194:3408    195:2808    196:1188   
       198:3572    199:3480    200:5324    201:1551    202:7989    203:8353   
       204:4073    205:2311    206:2493    207:3112    208:3866    209:3458   
       210:2558    211:1272    212:1712    213:1661    214:641     215:69     
       216:4715    217:1522    218:500     219:485     220:1144    221:402    
       222:317     223:1      
      
      End of report