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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Sep 21 20:47:17 CEST 2012
This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG, TRNOG, CaribNOG and the RIPE Routing Working Group. Daily listings are sent to bgp-stats at lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfsinoz at gmail.com>. Routing Table Report 04:00 +10GMT Sat 22 Sep, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 427480 Prefixes after maximum aggregation: 178522 Deaggregation factor: 2.39 Unique aggregates announced to Internet: 208854 Total ASes present in the Internet Routing Table: 42150 Prefixes per ASN: 10.14 Origin-only ASes present in the Internet Routing Table: 33623 Origin ASes announcing only one prefix: 15762 Transit ASes present in the Internet Routing Table: 5619 Transit-only ASes present in the Internet Routing Table: 136 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: 736 Unregistered ASNs in the Routing Table: 268 Number of 32-bit ASNs allocated by the RIRs: 3307 Number of 32-bit ASNs visible in the Routing Table: 2908 Prefixes from 32-bit ASNs in the Routing Table: 7789 Special use prefixes present in the Routing Table: 9 Prefixes being announced from unallocated address space: 170 Number of addresses announced to Internet: 2597807124 Equivalent to 154 /8s, 215 /16s and 100 /24s Percentage of available address space announced: 70.2 Percentage of allocated address space announced: 70.2 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 93.7 Total number of prefixes smaller than registry allocations: 150657 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 102817 Total APNIC prefixes after maximum aggregation: 32533 APNIC Deaggregation factor: 3.16 Prefixes being announced from the APNIC address blocks: 103474 Unique aggregates announced from the APNIC address blocks: 42726 APNIC Region origin ASes present in the Internet Routing Table: 4760 APNIC Prefixes per ASN: 21.74 APNIC Region origin ASes announcing only one prefix: 1238 APNIC Region transit ASes present in the Internet Routing Table: 768 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: 316 Number of APNIC addresses announced to Internet: 708467008 Equivalent to 42 /8s, 58 /16s and 89 /24s Percentage of available APNIC address space announced: 82.8 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: 154454 Total ARIN prefixes after maximum aggregation: 78148 ARIN Deaggregation factor: 1.98 Prefixes being announced from the ARIN address blocks: 155396 Unique aggregates announced from the ARIN address blocks: 69131 ARIN Region origin ASes present in the Internet Routing Table: 15249 ARIN Prefixes per ASN: 10.19 ARIN Region origin ASes announcing only one prefix: 5758 ARIN Region transit ASes present in the Internet Routing Table: 1599 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 17 Number of ARIN addresses announced to Internet: 1084628608 Equivalent to 64 /8s, 166 /16s and 30 /24s Percentage of available ARIN address space announced: 57.4 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: 108700 Total RIPE prefixes after maximum aggregation: 57005 RIPE Deaggregation factor: 1.91 Prefixes being announced from the RIPE address blocks: 111222 Unique aggregates announced from the RIPE address blocks: 71031 RIPE Region origin ASes present in the Internet Routing Table: 16856 RIPE Prefixes per ASN: 6.60 RIPE Region origin ASes announcing only one prefix: 8154 RIPE Region transit ASes present in the Internet Routing Table: 2720 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: 1889 Number of RIPE addresses announced to Internet: 646098660 Equivalent to 38 /8s, 130 /16s and 174 /24s Percentage of available RIPE address space announced: 93.9 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: 43822 Total LACNIC prefixes after maximum aggregation: 8560 LACNIC Deaggregation factor: 5.12 Prefixes being announced from the LACNIC address blocks: 46964 Unique aggregates announced from the LACNIC address blocks: 22336 LACNIC Region origin ASes present in the Internet Routing Table: 1646 LACNIC Prefixes per ASN: 28.53 LACNIC Region origin ASes announcing only one prefix: 440 LACNIC Region transit ASes present in the Internet Routing Table: 319 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 680 Number of LACNIC addresses announced to Internet: 116497520 Equivalent to 6 /8s, 241 /16s and 156 /24s Percentage of available LACNIC address space announced: 69.4 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: 9773 Total AfriNIC prefixes after maximum aggregation: 2218 AfriNIC Deaggregation factor: 4.41 Prefixes being announced from the AfriNIC address blocks: 10254 Unique aggregates announced from the AfriNIC address blocks: 3489 AfriNIC Region origin ASes present in the Internet Routing Table: 561 AfriNIC Prefixes per ASN: 18.28 AfriNIC Region origin ASes announcing only one prefix: 172 AfriNIC Region transit ASes present in the Internet Routing Table: 128 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: 6 Number of AfriNIC addresses announced to Internet: 41815296 Equivalent to 2 /8s, 126 /16s and 13 /24s Percentage of available AfriNIC address space announced: 41.5 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 4766 2977 11429 901 Korea Telecom (KIX) 17974 2356 702 54 PT TELEKOMUNIKASI INDONESIA 7545 1760 301 87 TPG Internet Pty Ltd 4755 1620 387 162 TATA Communications formerly 9829 1335 1106 41 BSNL National Internet Backbo 9583 1180 87 513 Sify Limited 7552 1136 1062 11 Vietel Corporation 4808 1119 2044 317 CNCGROUP IP network: China169 24560 1041 386 160 Bharti Airtel Ltd., Telemedia 18101 1015 135 169 Reliance Infocom Ltd Internet 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 3311 3733 186 bellsouth.net, inc. 7029 3164 990 161 Windstream Communications Inc 18566 2084 382 180 Covad Communications 1785 1916 678 128 PaeTec Communications, Inc. 22773 1884 2931 129 Cox Communications, Inc. 20115 1661 1580 614 Charter Communications 4323 1575 1153 386 Time Warner Telecom 30036 1379 273 739 Mediacom Communications Corp 7018 1249 10318 832 AT&T WorldNet Services 7011 1204 329 698 Citizens Utilities 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 1594 544 16 Corbina telecom 2118 1399 97 14 EUnet/RELCOM Autonomous Syste 15557 1229 2247 55 LDCOM NETWORKS 12479 839 774 77 Uni2 Autonomous System 34984 774 206 181 BILISIM TELEKOM 6830 724 2313 448 UPC Distribution Services 20940 709 225 544 Akamai Technologies European 31148 709 37 9 FreeNet ISP 13188 691 92 162 Educational Network 58113 631 70 366 LIR DATACENTER TELECOM SRL 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 2164 370 219 TVCABLE BOGOTA 28573 2137 1249 55 NET Servicos de Comunicao S.A 8151 1588 3045 345 UniNet S.A. de C.V. 7303 1564 1034 200 Telecom Argentina Stet-France 6503 1536 435 68 AVANTEL, S.A. 27947 725 74 94 Telconet S.A 6458 681 81 15 GUATEL 3816 623 258 114 Empresa Nacional de Telecomun 11172 595 85 69 Servicios Alestra S.A de C.V 14420 587 86 101 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 24863 882 275 36 LINKdotNET AS number 8452 796 958 13 TEDATA 36998 772 48 3 MOBITEL 6713 517 650 19 Itissalat Al-MAGHRIB 24835 269 80 8 RAYA Telecom - Egypt 3741 264 904 224 The Internet Solution 12258 194 28 66 Vodacom Internet Company 15706 192 32 6 Sudatel Internet Exchange Aut 29975 191 667 21 Vodacom 33776 179 13 11 Starcomms Nigeria Limited 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 3311 3733 186 bellsouth.net, inc. 7029 3164 990 161 Windstream Communications Inc 4766 2977 11429 901 Korea Telecom (KIX) 17974 2356 702 54 PT TELEKOMUNIKASI INDONESIA 10620 2164 370 219 TVCABLE BOGOTA 28573 2137 1249 55 NET Servicos de Comunicao S.A 18566 2084 382 180 Covad Communications 1785 1916 678 128 PaeTec Communications, Inc. 22773 1884 2931 129 Cox Communications, Inc. 7545 1760 301 87 TPG Internet Pty Ltd Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 7029 3164 3003 Windstream Communications Inc 17974 2356 2302 PT TELEKOMUNIKASI INDONESIA 28573 2137 2082 NET Servicos de Comunicao S.A 4766 2977 2076 Korea Telecom (KIX) 10620 2164 1945 TVCABLE BOGOTA 18566 2084 1904 Covad Communications 1785 1916 1788 PaeTec Communications, Inc. 22773 1884 1755 Cox Communications, Inc. 7545 1760 1673 TPG Internet Pty Ltd 8402 1594 1578 Corbina telecom Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS 59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS 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 59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat 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 5.149.64.0/19 35567 DASTO semtel d.o.o. Complete listing at http://thyme.rand.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 128.0.24.0/21 41794 Altline LLC 128.0.64.0/22 49466 Declic Telecom SAS 128.0.68.0/22 49466 Declic Telecom SAS 128.0.80.0/20 52041 Timer LTD 128.0.160.0/21 23456 32-bit ASN transition 128.0.168.0/21 15772 W-NET Kiev 128.0.170.0/24 24685 ISP Elencom autonomous system 128.0.176.0/20 30764 PODA s.r.o. 128.0.192.0/21 51483 SaSG GmbH & Co. KG Complete listing at http://thyme.rand.apnic.net/current/data-dsua 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 41.220.80.0/24 38925 DAC AS Germany 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 /9:14 /10:29 /11:84 /12:237 /13:476 /14:841 /15:1548 /16:12409 /17:6470 /18:10855 /19:21100 /20:30284 /21:32205 /22:42557 /23:39934 /24:224158 /25:1390 /26:1668 /27:921 /28:176 /29:64 /30:18 /31:0 /32:24 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2646 3164 Windstream Communications Inc 18566 2034 2084 Covad Communications 6389 1841 3311 bellsouth.net, inc. 30036 1313 1379 Mediacom Communications Corp 8402 1308 1594 Corbina telecom 22773 1227 1884 Cox Communications, Inc. 15557 1173 1229 LDCOM NETWORKS 11492 1161 1198 Cable One 6503 1054 1536 AVANTEL, S.A. 1785 1015 1916 PaeTec Communications, Inc. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:622 2:613 3:1 4:13 5:507 6:3 8:457 12:1987 13:1 14:665 15:11 16:3 17:6 20:27 23:206 24:1790 27:1334 31:1013 32:54 33:2 34:2 36:7 37:791 38:832 39:2 40:133 41:3023 42:158 44:3 46:1587 47:2 49:481 50:596 52:13 54:20 55:9 56:1 57:30 58:990 59:539 60:237 61:1288 62:979 63:1996 64:4268 65:2240 66:4511 67:2052 68:1167 69:3233 70:982 71:509 72:1872 74:2602 75:485 76:314 77:967 78:956 79:493 80:1268 81:964 82:633 83:528 84:625 85:1152 86:809 87:918 88:363 89:1792 90:304 91:5212 92:576 93:1540 94:1617 95:1118 96:418 97:320 98:979 99:39 100:23 101:262 103:1548 105:512 106:118 107:198 108:456 109:1950 110:802 111:1001 112:449 113:699 114:633 115:879 116:893 117:728 118:965 119:1261 120:307 121:689 122:1642 123:1169 124:1332 125:1275 128:561 129:184 130:282 131:632 132:310 133:22 134:250 135:61 136:217 137:239 138:338 139:171 140:497 141:281 142:485 143:377 144:489 145:81 146:518 147:261 148:761 149:323 150:155 151:172 152:449 153:178 154:20 155:420 156:226 157:372 158:261 159:654 160:342 161:413 162:364 163:191 164:693 165:421 166:528 167:552 168:965 169:125 170:906 171:161 172:7 173:1693 174:608 175:447 176:794 177:1227 178:1605 180:1362 181:136 182:1053 183:296 184:604 185:2 186:2184 187:1242 188:1674 189:1583 190:6040 192:6034 193:5717 194:4564 195:3475 196:1220 197:220 198:3806 199:5020 200:6002 201:1973 202:8721 203:8730 204:4426 205:2545 206:2761 207:2875 208:4071 209:3668 210:2844 211:1527 212:1997 213:1829 214:879 215:87 216:5123 217:1538 218:567 219:315 220:1246 221:536 222:336 223:390 End of report
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