[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, 16 Jul 2011 05:06:43 +1000 (EST)
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    • Routing Table as seen from APNIC's router in Japan.
      
      The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
      CaribNOG and the RIPE Routing Working Group.
      
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For historical data, please see http://thyme.rand.apnic.net.
      
      If you have any comments please contact Philip Smith <pfsinoz at gmail dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 16 Jul, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              363652
          Prefixes after maximum aggregation:                          165367
          Deaggregation factor:                                          2.20
          Unique aggregates announced to Internet:                     180640
      Total ASes present in the Internet Routing Table:                 38198
          Prefixes per ASN:                                              9.52
      Origin-only ASes present in the Internet Routing Table:           31741
      Origin ASes announcing only one prefix:                           15260
      Transit ASes present in the Internet Routing Table:                5195
      Transit-only ASes present in the Internet Routing Table:            132
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      33
          Max AS path prepend of ASN (22394)                               27
      Prefixes from unregistered ASNs in the Routing Table:               917
          Unregistered ASNs in the Routing Table:                         532
      Number of 32-bit ASNs allocated by the RIRs:                       1559
      Number of 32-bit ASNs visible in the Routing Table:                1262
      Prefixes from 32-bit ASNs in the Routing Table:                    2910
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            122
      Number of addresses announced to Internet:                   2477764128
          Equivalent to 147 /8s, 175 /16s and 174 /24s
          Percentage of available address space announced:               66.8
          Percentage of allocated address space announced:               66.9
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               91.1
      Total number of prefixes smaller than registry allocations:      151592
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    90715
          Total APNIC prefixes after maximum aggregation:               30300
          APNIC Deaggregation factor:                                    2.99
      Prefixes being announced from the APNIC address blocks:           87321
          Unique aggregates announced from the APNIC address blocks:    37425
      APNIC Region origin ASes present in the Internet Routing Table:    4519
          APNIC Prefixes per ASN:                                       19.32
      APNIC Region origin ASes announcing only one prefix:               1253
      APNIC Region transit ASes present in the Internet Routing Table:    716
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         18
      Number of APNIC region 32-bit ASNs visible in the Routing Table:     61
      Number of APNIC addresses announced to Internet:              622188352
          Equivalent to 37 /8s, 21 /16s and 215 /24s
          Percentage of available APNIC address space announced:         78.9
      
      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:                    141554
          Total ARIN prefixes after maximum aggregation:                73093
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           113475
          Unique aggregates announced from the ARIN address blocks:     46690
      ARIN Region origin ASes present in the Internet Routing Table:    14485
          ARIN Prefixes per ASN:                                         7.83
      ARIN Region origin ASes announcing only one prefix:                5538
      ARIN Region transit ASes present in the Internet Routing Table:    1526
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          30
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      13
      Number of ARIN addresses announced to Internet:               802399872
          Equivalent to 47 /8s, 211 /16s and 166 /24s
          Percentage of available ARIN address space announced:          63.8
      
      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, 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:                     86584
          Total RIPE prefixes after maximum aggregation:                49219
          RIPE Deaggregation factor:                                     1.76
      Prefixes being announced from the RIPE address blocks:            79927
          Unique aggregates announced from the RIPE address blocks:     52892
      RIPE Region origin ASes present in the Internet Routing Table:    15802
          RIPE Prefixes per ASN:                                         5.06
      RIPE Region origin ASes announcing only one prefix:                7878
      RIPE Region transit ASes present in the Internet Routing Table:    2504
      Average RIPE Region AS path length visible:                         4.6
          Max RIPE Region AS path length visible:                          33
      Number of RIPE region 32-bit ASNs visible in the Routing Table:     919
      Number of RIPE addresses announced to Internet:               479486528
          Equivalent to 28 /8s, 148 /16s and 98 /24s
          Percentage of available RIPE address space announced:          77.2
      
      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, 47104-52223, 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:                   33534
          Total LACNIC prefixes after maximum aggregation:               7585
          LACNIC Deaggregation factor:                                   4.42
      Prefixes being announced from the LACNIC address blocks:          32747
          Unique aggregates announced from the LACNIC address blocks:   17050
      LACNIC Region origin ASes present in the Internet Routing Table:   1481
          LACNIC Prefixes per ASN:                                      22.11
      LACNIC Region origin ASes announcing only one prefix:               445
      LACNIC Region transit ASes present in the Internet Routing Table:   273
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   265
      Number of LACNIC addresses announced to Internet:              86070528
          Equivalent to 5 /8s, 33 /16s and 85 /24s
          Percentage of available LACNIC address space announced:        57.0
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 plus ERX transfers
      LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                             200/8, 201/8,
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   8177
          Total AfriNIC prefixes after maximum aggregation:              1965
          AfriNIC Deaggregation factor:                                  4.16
      Prefixes being announced from the AfriNIC address blocks:          6491
          Unique aggregates announced from the AfriNIC address blocks:   1992
      AfriNIC Region origin ASes present in the Internet Routing Table:   468
          AfriNIC Prefixes per ASN:                                     13.87
      AfriNIC Region origin ASes announcing only one prefix:              146
      AfriNIC Region transit ASes present in the Internet Routing Table:  103
      Average AfriNIC Region AS path length visible:                      4.7
          Max AfriNIC Region AS path length visible:                       24
      Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    4
      Number of AfriNIC addresses announced to Internet:             24338944
          Equivalent to 1 /8s, 115 /16s and 98 /24s
          Percentage of available AfriNIC address space announced:       36.3
      
      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     2469      11044         937   Korea Telecom (KIX)
       7545     1554        301          85   TPG Internet Pty Ltd
      17974     1543        456          45   PT TELEKOMUNIKASI INDONESIA
       4755     1505        635         170   TATA Communications formerly 
       7552     1283       1064           7   Vietel Corporation
      24560     1155        336         187   Bharti Airtel Ltd., Telemedia
       9829     1106        923          47   BSNL National Internet Backbo
       9583     1064         78         504   Sify Limited
       4808     1047       2092         299   CNCGROUP IP network: China169
      17488      966        187         106   Hathway IP Over Cable Interne
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3599       3818         241   bellsouth.net, inc. 
      18566     1913        365         241   Covad Communications 
       1785     1805        681         121   PaeTec Communications, Inc.
       4323     1657       1082         400   Time Warner Telecom
      20115     1594       1534         627   Charter Communications 
      19262     1410       4744         390   Verizon Global Networks 
       7018     1365       7069         892   AT&T WorldNet Services
      22773     1351       2897          88   Cox Communications, Inc.
       7029     1291        791         305   Windstream Communications Inc
       2386     1260        520         907   AT&T Data Communications Serv
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      34984      535        106         184   BILISIM TELEKOM
       6830      510       1780         315   UPC Distribution Services
       3292      468       2078         403   TDC Tele Danmark
      12479      458        593           7   Uni2 Autonomous System
      20940      458        131         354   Akamai Technologies European 
       8866      449        133          25   Bulgarian Telecommunication C
      29049      432         32          47   AzerSat LLC.
       3320      423       8151         369   Deutsche Telekom AG
       8551      404        354          44   Bezeq International
        702      399       1803         312   UUNET - Commercial IP service
      
      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     1549        284         162   TVCABLE BOGOTA 
       8151     1437       2746         353   UniNet S.A. de C.V. 
      28573     1277        995          77   NET Servicos de Comunicao S.A
       7303      986        511         165   Telecom Argentina Stet-France
       6503      749        354          74   AVANTEL, S.A. 
      14420      690         55          84   CORPORACION NACIONAL DE TELEC
      22047      578        322          17   VTR PUNTO NET S.A. 
       3816      533        230          97   Empresa Nacional de Telecomun
       7738      516        986          31   Telecomunicacoes da Bahia S.A
      27947      508         53          53   Telconet 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      795        147          36   LINKdotNET AS number
       8452      780        445          11   TEDATA
      15475      513         74           8   Nile Online
      36992      315        415          14   Etisalat MISR
       3741      261        937         223   The Internet Solution 
       6713      241        215          13   Itissalat Al-MAGHRIB
      33776      227         13           5   Starcomms Nigeria Limited
      24835      175         78          10   RAYA Telecom - Egypt
      29571      158         17          11   Ci Telecom Autonomous system 
      16637      148        441          86   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     3599       3818         241   bellsouth.net, inc. 
      23456     2910        707        1559   32-bit ASN transition
       4766     2469      11044         937   Korea Telecom (KIX)
      18566     1913        365         241   Covad Communications 
       1785     1805        681         121   PaeTec Communications, Inc.
       4323     1657       1082         400   Time Warner Telecom
      20115     1594       1534         627   Charter Communications 
       7545     1554        301          85   TPG Internet Pty Ltd
      10620     1549        284         162   TVCABLE BOGOTA 
      17974     1543        456          45   PT TELEKOMUNIKASI INDONESIA
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       1785      1805        1684      PaeTec Communications, Inc.
      18566      1913        1672      Covad Communications 
       4766      2469        1532      Korea Telecom (KIX)
      17974      1543        1498      PT TELEKOMUNIKASI INDONESIA
       7545      1554        1469      TPG Internet Pty Ltd
      10620      1549        1387      TVCABLE BOGOTA 
      23456      2910        1351      32-bit ASN transition
       4755      1505        1335      TATA Communications formerly 
       7552      1283        1276      Vietel Corporation
      22773      1351        1263      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      15132   UNALLOCATED  12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED  12.14.170.0/24        4323       Time Warner Telecom
      32567   UNALLOCATED  12.25.107.0/24        4323       Time Warner Telecom
      26973   UNALLOCATED  12.39.152.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED  12.39.154.0/23        7018       AT&T WorldNet Servic
      26973   UNALLOCATED  12.39.155.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED  12.39.159.0/24        7018       AT&T WorldNet Servic
      25639   UNALLOCATED  12.41.169.0/24        7018       AT&T WorldNet Servic
      13317   UNALLOCATED  12.44.10.0/24         7018       AT&T WorldNet Servic
      23502   UNALLOCATED  12.44.44.0/24         7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.rand.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.225.128.0/18      36377     Comcast Telecommunications, I
      24.225.192.0/23      36377     Comcast Telecommunications, I
      24.225.192.0/18      36377     Comcast Telecommunications, I
      24.225.224.0/21      36377     Comcast Telecommunications, I
      24.225.237.0/24      36377     Comcast Telecommunications, I
      24.225.248.0/21      36377     Comcast Telecommunications, I
      41.223.92.0/22       36936     >>UNKNOWN<<
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      62.61.221.0/24       24974     Tachyon Europe BV - Wireless 
      64.21.192.0/20       11610     Internet Nebraska Corporation
      
      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        /8:20       /9:12      /10:26      /11:80      /12:232     
      /13:464     /14:795     /15:1396    /16:12005   /17:5876    /18:9821    
      /19:19496   /20:26056   /21:26209   /22:34865   /23:33683   /24:189377  
      /25:1057    /26:1247    /27:720     /28:198     /29:9       /30:2       
      /31:0       /32:6       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2216          3599      bellsouth.net, inc. 
      18566     1869          1913      Covad Communications 
      10620     1444          1549      TVCABLE BOGOTA 
      23456     1423          2910      32-bit ASN transition
      11492     1097          1143      Cable One 
       7011     1056          1158      Citizens Utilities 
       6478     1055          1084      AT&T Worldnet Services 
       1785     1053          1805      PaeTec Communications, Inc.
       7029     1038          1291      Windstream Communications Inc
      22773      865          1351      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:328       2:44        4:16        5:1         6:3         8:338    
        12:1967     13:1        14:488      15:15       16:3        17:5      
        20:10       23:14       24:1679     27:824      31:502      32:64     
        33:4        34:2        36:4        38:745      40:104      41:2562   
        42:32       44:3        46:1037     47:3        49:201      50:471    
        52:13       54:2        55:4        56:2        57:35       58:863    
        59:479      60:386      61:1123     62:1033     63:1932     64:3954   
        65:2300     66:3889     67:1872     68:1103     69:3044     70:756    
        71:389      72:1888     74:2386     75:318      76:341      77:887    
        78:710      79:457      80:1116     81:840      82:499      83:454    
        84:691      85:1063     86:523      87:764      88:336      89:1534   
        90:224      91:3959     92:522      93:1050     94:1337     95:858    
        96:414      97:260      98:891      99:37      101:77      103:143    
       106:10      107:22      108:70      109:1022    110:607     111:712    
       112:305     113:406     114:552     115:686     116:978     117:689    
       118:832     119:1164    120:313     121:677     122:1608    123:979    
       124:1300    125:1277    128:245     129:171     130:169     131:575    
       132:111     133:21      134:213     135:48      136:216     137:137    
       138:297     139:116     140:482     141:244     142:403     143:416    
       144:483     145:55      146:452     147:211     148:680     149:248    
       150:160     151:189     152:342     153:182     154:4       155:397    
       156:198     157:323     158:138     159:454     160:311     161:202    
       162:309     163:164     164:499     165:366     166:529     167:433    
       168:734     169:153     170:847     171:78      172:1       173:1619   
       174:609     175:375     176:142     177:171     178:1005    180:898    
       181:23      182:492     183:231     184:344     185:1       186:1284   
       187:732     188:895     189:939     190:4979    192:5900    193:4975   
       194:3527    195:3029    196:1238    197:43      198:3581    199:3975   
       200:5561    201:1492    202:8416    203:8428    204:4235    205:2327   
       206:2668    207:2811    208:3969    209:3447    210:2693    211:1451   
       212:2100    213:1737    214:778     215:69      216:4936    217:1633   
       218:543     219:351     220:1231    221:496     222:337     223:218    
      
      
      End of report