Weekly Routing Table Report

joel jaeggli joelja at bogus.com
Fri Aug 24 18:24:49 CDT 2012


On 8/24/12 3:07 PM, Lori Jakab wrote:
> On 8/24/2012 11:33 AM, Routing Analysis Role Account wrote:
>
> [...]
>
>> Analysis Summary
>> ----------------
>>
>> BGP routing table entries examined:                              264582
> Isn't this supposed to be >400K? What happened this week?
yes it disagrees with the cidr report.

424791


> -Lori
>
>>      Prefixes after maximum aggregation:                           97761
>>      Deaggregation factor:                                          2.71
>>      Unique aggregates announced to Internet:                     119633
>> Total ASes present in the Internet Routing Table:                 29036
>>      Prefixes per ASN:                                              9.11
>> Origin-only ASes present in the Internet Routing Table:           22245
>> Origin ASes announcing only one prefix:                           11565
>> Transit ASes present in the Internet Routing Table:                4486
>> Transit-only ASes present in the Internet Routing Table:            492
>> Average AS path length visible in the Internet Routing Table:       4.6
>>      Max AS path length visible:                                      32
>>      Max AS path prepend of ASN ( 48687)                              24
>> Prefixes from unregistered ASNs in the Routing Table:               435
>>      Unregistered ASNs in the Routing Table:                         144
>> Number of 32-bit ASNs allocated by the RIRs:                       3169
>> Number of 32-bit ASNs visible in the Routing Table:                2305
>> Prefixes from 32-bit ASNs in the Routing Table:                    6164
>> Special use prefixes present in the Routing Table:                    0
>> Prefixes being announced from unallocated address space:             74
>> Number of addresses announced to Internet:                   2132781732
>>      Equivalent to 127 /8s, 31 /16s and 170 /24s
>>      Percentage of available address space announced:               57.5
>>      Percentage of allocated address space announced:               57.6
>>      Percentage of available address space allocated:               99.9
>>      Percentage of address space in use by end-sites:               93.3
>> Total number of prefixes smaller than registry allocations:      117536
>>
>> APNIC Region Analysis Summary
>> -----------------------------
>>
>> Prefixes being announced by APNIC Region ASes:                    59813
>>      Total APNIC prefixes after maximum aggregation:               15336
>>      APNIC Deaggregation factor:                                    3.90
>> Prefixes being announced from the APNIC address blocks:           60438
>>      Unique aggregates announced from the APNIC address blocks:    22879
>> APNIC Region origin ASes present in the Internet Routing Table:    2883
>>      APNIC Prefixes per ASN:                                       20.96
>> APNIC Region origin ASes announcing only one prefix:                806
>> APNIC Region transit ASes present in the Internet Routing Table:    609
>> Average APNIC Region AS path length visible:                        4.7
>>      Max APNIC Region AS path length visible:                         26
>> Number of APNIC region 32-bit ASNs visible in the Routing Table:    242
>> Number of APNIC addresses announced to Internet:              551407040
>>      Equivalent to 32 /8s, 221 /16s and 205 /24s
>>      Percentage of available APNIC address space announced:         64.4
>>
>> APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
>> (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
>>                         58368-59391, 131072-133119
>> 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, 150/8, 153/8,
>>                         163/8, 171/8, 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:                     96228
>>      Total ARIN prefixes after maximum aggregation:                43322
>>      ARIN Deaggregation factor:                                     2.22
>> Prefixes being announced from the ARIN address blocks:            97518
>>      Unique aggregates announced from the ARIN address blocks:     38278
>> ARIN Region origin ASes present in the Internet Routing Table:    10585
>>      ARIN Prefixes per ASN:                                         9.21
>> ARIN Region origin ASes announcing only one prefix:                4892
>> ARIN Region transit ASes present in the Internet Routing Table:    1244
>> Average ARIN Region AS path length visible:                         4.0
>>      Max ARIN Region AS path length visible:                          24
>> Number of ARIN region 32-bit ASNs visible in the Routing Table:       7
>> Number of ARIN addresses announced to Internet:               937035712
>>      Equivalent to 55 /8s, 218 /16s and 7 /24s
>>      Percentage of available ARIN address space announced:          49.6
>>
>> 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, 128/8,
>>                         129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
>>                         137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
>>                         146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
>>                         157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
>>                         165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
>>                         173/8, 174/8, 184/8, 192/8, 198/8, 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:                     74529
>>      Total RIPE prefixes after maximum aggregation:                34410
>>      RIPE Deaggregation factor:                                     2.17
>> Prefixes being announced from the RIPE address blocks:            76326
>>      Unique aggregates announced from the RIPE address blocks:     45907
>> RIPE Region origin ASes present in the Internet Routing Table:    11345
>>      RIPE Prefixes per ASN:                                         6.73
>> RIPE Region origin ASes announcing only one prefix:                5497
>> RIPE Region transit ASes present in the Internet Routing Table:    2197
>> Average RIPE Region AS path length visible:                         5.1
>>      Max RIPE Region AS path length visible:                          32
>> Number of RIPE region 32-bit ASNs visible in the Routing Table:    1423
>> Number of RIPE addresses announced to Internet:               548373764
>>      Equivalent to 32 /8s, 175 /16s and 133 /24s
>>      Percentage of available RIPE address space announced:          79.7
>>
>> 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
>>                         59392-61439, 196608-199679
>> 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,
>>                         141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
>>                         193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
>>
>> LACNIC Region Analysis Summary
>> ------------------------------
>>
>> Prefixes being announced by LACNIC Region ASes:                   20998
>>      Total LACNIC prefixes after maximum aggregation:               3524
>>      LACNIC Deaggregation factor:                                   5.96
>> Prefixes being announced from the LACNIC address blocks:          23232
>>      Unique aggregates announced from the LACNIC address blocks:   10439
>> LACNIC Region origin ASes present in the Internet Routing Table:   1009
>>      LACNIC Prefixes per ASN:                                      23.02
>> LACNIC Region origin ASes announcing only one prefix:               258
>> LACNIC Region transit ASes present in the Internet Routing Table:   243
>> Average LACNIC Region AS path length visible:                       4.5
>>      Max LACNIC Region AS path length visible:                        24
>> Number of LACNIC region 32-bit ASNs visible in the Routing Table:   630
>> Number of LACNIC addresses announced to Internet:              72150560
>>      Equivalent to 4 /8s, 76 /16s and 238 /24s
>>      Percentage of available LACNIC address space announced:        43.0
>>
>> 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,
>>                         191/8, 200/8, 201/8,
>>
>> AfriNIC Region Analysis Summary
>> -------------------------------
>>
>> Prefixes being announced by AfriNIC Region ASes:                   6759
>>      Total AfriNIC prefixes after maximum aggregation:              1134
>>      AfriNIC Deaggregation factor:                                  5.96
>> Prefixes being announced from the AfriNIC address blocks:          6994
>>      Unique aggregates announced from the AfriNIC address blocks:   2064
>> AfriNIC Region origin ASes present in the Internet Routing Table:   392
>>      AfriNIC Prefixes per ASN:                                     17.84
>> AfriNIC Region origin ASes announcing only one prefix:              112
>> AfriNIC Region transit ASes present in the Internet Routing Table:   94
>> Average AfriNIC Region AS path length visible:                      4.6
>>      Max AfriNIC Region AS path length visible:                       25
>> Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    3
>> Number of AfriNIC addresses announced to Internet:             23734528
>>      Equivalent to 1 /8s, 106 /16s and 41 /24s
>>      Percentage of available AfriNIC address space announced:       23.6
>>
>> AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
>> AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
>>
>> APNIC Region per AS prefix count summary
>> ----------------------------------------
>>
>>    ASN   No of nets  /20 equiv  MaxAgg  Description
>> 17974     2051        678          47   PT TELEKOMUNIKASI INDONESIA
>>   9829     1271       1068          25   BSNL National Internet Backbo
>>   7545     1252        217          20   TPG Internet Pty Ltd
>>   4766     1140       8409         574   Korea Telecom (KIX)
>>   4755     1113        310          98   TATA Communications formerly
>>   7552     1066       1054           9   Vietel Corporation
>> 24560     1017        384         140   Bharti Airtel Ltd., Telemedia
>>   9498      884        276          49   BHARTI Airtel Ltd.
>>   4808      726       1581         181   CNCGROUP IP network: China169
>> 17488      577        135         181   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
>>   7029     2956        878          80   Windstream Communications Inc
>>   6389     2739       3537         137   bellsouth.net, inc.
>> 18566     1924        369         140   Covad Communications
>> 22773     1729       2908          64   Cox Communications, Inc.
>> 20115     1590       1568         569   Charter Communications
>> 30036     1445        284         732   Mediacom Communications Corp
>> 11492     1197        217         345   Cable One
>>   7011     1157        311         676   Citizens Utilities
>>   1785     1007        378          32   PaeTec Communications, Inc.
>> 19262      952       4686         386   Verizon Global Networks
>>
>> 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
>>   8402     1561        538          12   Corbina telecom
>> 15557     1182       2232          27   LDCOM NETWORKS
>> 12479      818        759          79   Uni2 Autonomous System
>> 20940      692        226         534   Akamai Technologies European
>> 31148      678         35           6   FreeNet ISP
>> 13188      656        100           8   Educational Network
>> 58113      613         69         359   LIR DATACENTER TELECOM SRL
>>   8551      528        336          40   Bezeq International
>> 34984      386        131          63   BILISIM TELEKOM
>>   6830      379       2066         213   UPC Distribution Services
>>
>> 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
>> 28573     1780       1042          32   NET Servicos de Comunicao S.A
>>   6503     1113        360          18   AVANTEL, S.A.
>> 10620     1107        221         152   TVCABLE BOGOTA
>>   8151     1064       2424         191   UniNet S.A. de C.V.
>>   7303      997        761         111   Telecom Argentina Stet-France
>> 18881      528        576          11   Global Village Telecom
>> 27747      448        104           4   Telecentro S.A.
>> 27947      423         54          65   Telconet S.A
>>   7738      368        704          12   Telecomunicacoes da Bahia S.A
>> 14420      348         61          64   CORPORACION NACIONAL DE TELEC
>>
>> 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
>>   8452      855        402           8   TEDATA
>> 24863      663        125          28   LINKdotNET AS number
>> 36998      534         48           3   MOBITEL
>>   6713      412        539          11   Itissalat Al-MAGHRIB
>> 24835      213         44           5   RAYA Telecom - Egypt
>> 33776      190         12          10   Starcomms Nigeria Limited
>> 29975      172        665          17   Vodacom
>> 12258      142         14          51   Vodacom Internet Company
>> 36923      138         20           4   Swift Networks Limited
>> 29571      130         11          17   Ci Telecom Autonomous system
>>
>> 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
>>   7029     2956        878          80   Windstream Communications Inc
>>   6389     2739       3537         137   bellsouth.net, inc.
>> 17974     2051        678          47   PT TELEKOMUNIKASI INDONESIA
>> 18566     1924        369         140   Covad Communications
>> 28573     1780       1042          32   NET Servicos de Comunicao S.A
>> 22773     1729       2908          64   Cox Communications, Inc.
>> 20115     1590       1568         569   Charter Communications
>>   8402     1561        538          12   Corbina telecom
>> 30036     1445        284         732   Mediacom Communications Corp
>>   9829     1271       1068          25   BSNL National Internet Backbo
>>
>> Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
>>
>> Global Per AS Maximum Aggr summary
>> ----------------------------------
>>
>>    ASN   No of nets  Net Savings Description
>>   6389      2739        2602      bellsouth.net, inc.
>> 17974      2051        2004      PT TELEKOMUNIKASI INDONESIA
>> 18566      1924        1784      Covad Communications
>> 28573      1780        1748      NET Servicos de Comunicao S.A
>> 22773      1729        1665      Cox Communications, Inc.
>>   8402      1561        1549      Corbina telecom
>>   9829      1271        1246      BSNL National Internet Backbo
>>   7545      1252        1232      TPG Internet Pty Ltd
>> 15557      1182        1155      LDCOM NETWORKS
>>   6503      1113        1095      AVANTEL, S.A.
>>
>> Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
>>
>> List of Unregistered Origin ASNs (Global)
>> -----------------------------------------
>>
>> Bad AS  Designation  Network              Transit AS  Description
>> 59414   UNALLOCATED  5.102.144.0/21       15576       Nextra backbone in D
>> 59395   UNALLOCATED  5.133.16.0/21        12658       Dexterity Networks L
>> 59407   UNALLOCATED  5.134.16.0/21        51167       Giga-Hosting GmbH
>> 59521   UNALLOCATED  5.134.192.0/21       29518       Labs2
>> 59581   UNALLOCATED  5.149.8.0/21         25577       C4L main AS
>> 59457   UNALLOCATED  5.149.64.0/24        35567       DASTO semtel d.o.o.
>> 59457   UNALLOCATED  5.149.65.0/24        35567       DASTO semtel d.o.o.
>> 59457   UNALLOCATED  5.149.66.0/24        35567       DASTO semtel d.o.o.
>> 59457   UNALLOCATED  5.149.67.0/24        35567       DASTO semtel d.o.o.
>> 59457   UNALLOCATED  5.149.68.0/24        35567       DASTO semtel d.o.o.
>>
>> Complete listing at http://thyme.rand.apnic.net/current/data-badAS
>>
>> Advertised Unallocated Addresses
>> --------------------------------
>>
>> Network            Origin AS  Description
>> 14.192.0.0/22        45464     Room 201, TGU Bldg
>> 14.192.4.0/22        45464     Room 201, TGU Bldg
>> 14.192.8.0/22        45464     Room 201, TGU Bldg
>> 14.192.12.0/22       45464     Room 201, TGU Bldg
>> 14.192.16.0/22       45464     Room 201, TGU Bldg
>> 14.192.20.0/22       45464     Room 201, TGU Bldg
>> 14.192.24.0/22       45464     Room 201, TGU Bldg
>> 14.192.28.0/22       45464     Room 201, TGU Bldg
>> 27.112.114.0/24      23884     Proimage Engineering and Comm
>> 41.207.224.0/23      36898     UniNet Communications
>>
>> 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        /8:18       /9:13      /10:26      /11:74      /12:215
>> /13:411     /14:694     /15:1253    /16:10162   /17:5045    /18:8043
>> /19:13810   /20:22484   /21:23365   /22:28877   /23:25440   /24:122522
>> /25:622     /26:961     /27:404     /28:89      /29:30      /30:7
>> /31:0       /32:17
>>
>> Advertised prefixes smaller than registry allocations
>> -----------------------------------------------------
>>
>>    ASN   No of nets  Total ann.   Description
>>   7029     2468          2956      Windstream Communications Inc
>> 18566     1890          1924      Covad Communications
>>   6389     1534          2739      bellsouth.net, inc.
>> 30036     1381          1445      Mediacom Communications Corp
>>   8402     1292          1561      Corbina telecom
>> 22773     1167          1729      Cox Communications, Inc.
>> 11492     1160          1197      Cable One
>> 15557     1156          1182      LDCOM NETWORKS
>>   7011      907          1157      Citizens Utilities
>>   6503      857          1113      AVANTEL, S.A.
>>
>> Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
>>
>> Number of /24s announced per /8 block (Global)
>> ----------------------------------------------
>>
>>     1:557       2:768       3:1         4:13        5:364       6:3
>>     8:439      12:2006     13:1        14:647      15:11       16:3
>>    17:6        20:27       23:204      24:1804     27:1324     31:1038
>>    32:56       33:2        34:2        36:8        37:716      38:826
>>    39:1        40:133      41:2852     42:155      44:3        46:1584
>>    47:2        49:468      50:592      52:13       54:17       55:7
>>    56:1        57:31       58:990      59:523      60:238      61:1284
>>    62:991      63:2009     64:4264     65:2245     66:4520     67:2044
>>    68:1157     69:3208     70:989      71:525      72:1861     74:2572
>>    75:491      76:330      77:952      78:906      79:490      80:1276
>>    81:956      82:633      83:534      84:622      85:1136     86:787
>>    87:928      88:350      89:1809     90:301      91:5128     92:591
>>    93:1481     94:1568     95:1268     96:414      97:317      98:892
>>    99:39      100:23      101:261     103:1433    105:512     106:115
>>   107:195     108:431     109:1908    110:795     111:956     112:430
>>   113:686     114:652     115:847     116:888     117:729     118:934
>>   119:1245    120:301     121:690     122:1657    123:1171    124:1356
>>   125:1265    128:525     129:183     130:283     131:626     132:299
>>   133:22      134:246     135:61      136:218     137:239     138:338
>>   139:184     140:501     141:275     142:483     143:361     144:486
>>   145:81      146:512     147:258     148:758     149:300     150:156
>>   151:168     152:458     153:177     154:20      155:414     156:224
>>   157:382     158:179     159:631     160:348     161:409     162:404
>>   163:189     164:689     165:411     166:560     167:538     168:957
>>   169:125     170:907     171:145     172:5       173:1717    174:632
>>   175:440     176:603     177:1050    178:1692    180:1347    181:127
>>   182:1037    183:223     184:590     186:2150    187:1078    188:1440
>>   189:1545    190:1332
>>
>> End of report
>>
>




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