Weekly Routing Table Report
joel jaeggli
joelja at bogus.com
Fri Aug 24 23:24:49 UTC 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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