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Routing Table Report 08:00 +10GMT Sun 03 Oct, 2010
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/london/
Analysis Summary ----------------
BGP routing table entries examined: 327893 Prefixes after maximum aggregation: 151182 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 163405 Total ASes present in the Internet Routing Table: 34768 Prefixes per ASN: 9.43 Origin-only ASes present in the Internet Routing Table: 30091 Origin ASes announcing only one prefix: 14697 Transit ASes present in the Internet Routing Table: 4677 Transit-only ASes present in the Internet Routing Table: 109 Average AS path length visible in the Internet Routing Table: 3.5 Max AS path length visible: 24 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 4209 Unregistered ASNs in the Routing Table: 1739 Number of 32-bit ASNs allocated by the RIRs: 806 Prefixes from 32-bit ASNs in the Routing Table: 1107 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 216 Number of addresses announced to Internet: 2529211392 Equivalent to 150 /8s, 192 /16s and 180 /24s Percentage of available address space announced: 68.2 Percentage of allocated address space announced: 72.9 Percentage of available address space allocated: 93.7 Percentage of address space in use by end-sites: 85.0 Total number of prefixes smaller than registry allocations: 153100
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 77772 Total APNIC prefixes after maximum aggregation: 26785 APNIC Deaggregation factor: 2.90 Prefixes being announced from the APNIC address blocks: 75422 Unique aggregates announced from the APNIC address blocks: 34171 APNIC Region origin ASes present in the Internet Routing Table: 4143 APNIC Prefixes per ASN: 18.20 APNIC Region origin ASes announcing only one prefix: 1176 APNIC Region transit ASes present in the Internet Routing Table: 633 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 551328512 Equivalent to 32 /8s, 220 /16s and 155 /24s Percentage of available APNIC address space announced: 78.2
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, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 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: 134598 Total ARIN prefixes after maximum aggregation: 69640 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 107804 Unique aggregates announced from the ARIN address blocks: 43477 ARIN Region origin ASes present in the Internet Routing Table: 13868 ARIN Prefixes per ASN: 7.77 ARIN Region origin ASes announcing only one prefix: 5331 ARIN Region transit ASes present in the Internet Routing Table: 1371 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 736152576 Equivalent to 43 /8s, 224 /16s and 204 /24s Percentage of available ARIN address space announced: 62.7
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: 76726 Total RIPE prefixes after maximum aggregation: 44218 RIPE Deaggregation factor: 1.74 Prefixes being announced from the RIPE address blocks: 70170 Unique aggregates announced from the RIPE address blocks: 45735 RIPE Region origin ASes present in the Internet Routing Table: 14834 RIPE Prefixes per ASN: 4.73 RIPE Region origin ASes announcing only one prefix: 7639 RIPE Region transit ASes present in the Internet Routing Table: 2284 Average RIPE Region AS path length visible: 3.4 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 440090112 Equivalent to 26 /8s, 59 /16s and 62 /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, 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: 29704 Total LACNIC prefixes after maximum aggregation: 7242 LACNIC Deaggregation factor: 4.10 Prefixes being announced from the LACNIC address blocks: 28333 Unique aggregates announced from the LACNIC address blocks: 15079 LACNIC Region origin ASes present in the Internet Routing Table: 1344 LACNIC Prefixes per ASN: 21.08 LACNIC Region origin ASes announcing only one prefix: 426 LACNIC Region transit ASes present in the Internet Routing Table: 233 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 75582208 Equivalent to 4 /8s, 129 /16s and 75 /24s Percentage of available LACNIC address space announced: 56.3
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: 7321 Total AfriNIC prefixes after maximum aggregation: 1901 AfriNIC Deaggregation factor: 3.85 Prefixes being announced from the AfriNIC address blocks: 5632 Unique aggregates announced from the AfriNIC address blocks: 1690 AfriNIC Region origin ASes present in the Internet Routing Table: 405 AfriNIC Prefixes per ASN: 13.91 AfriNIC Region origin ASes announcing only one prefix: 125 AfriNIC Region transit ASes present in the Internet Routing Table: 90 Average AfriNIC Region AS path length visible: 3.4 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 20940800 Equivalent to 1 /8s, 63 /16s and 136 /24s Percentage of available AfriNIC address space announced: 62.4
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 1713 9436 501 Korea Telecom (KIX) 7545 1409 297 82 TPG Internet Pty Ltd 4755 1357 368 163 TATA Communications formerly 17488 1347 155 124 Hathway IP Over Cable Interne 17974 1242 300 84 PT TELEKOMUNIKASI INDONESIA 24560 1062 308 178 Bharti Airtel Ltd., Telemedia 9583 1031 77 497 Sify Limited 18101 884 100 133 Reliance Infocom Ltd Internet 4808 834 1607 235 CNCGROUP IP network: China169 9829 818 692 33 BSNL National Internet Backbo
Complete listing at http://thyme.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3776 3667 280 bellsouth.net, inc. 4323 2711 1106 389 Time Warner Telecom 19262 1822 4836 286 Verizon Global Networks 1785 1796 698 131 PaeTec Communications, Inc. 7018 1495 5733 961 AT&T WorldNet Services 20115 1493 1530 651 Charter Communications 6478 1355 275 135 AT&T Worldnet Services 2386 1291 554 911 AT&T Data Communications Serv 11492 1218 229 78 Cable One 22773 1199 2859 62 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 9116 531 328 32 Goldenlines main autonomous s 3292 449 2026 390 TDC Tele Danmark 8866 417 117 21 Bulgarian Telecommunication C 702 405 1869 319 UUNET - Commercial IP service 8551 404 355 38 Bezeq International 34984 379 90 185 BILISIM TELEKOM 3301 377 1688 333 TeliaNet Sweden 30890 374 79 203 Evolva Telecom 3320 371 7328 322 Deutsche Telekom AG 12479 368 576 5 Uni2 Autonomous System
Complete listing at http://thyme.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 10620 1324 248 149 TVCABLE BOGOTA 8151 1205 2559 360 UniNet S.A. de C.V. 28573 1155 893 92 NET Servicos de Comunicao S.A 7303 783 424 90 Telecom Argentina Stet-France 6503 746 223 257 AVANTEL, S.A. 22047 561 310 15 VTR PUNTO NET S.A. 14420 556 39 81 ANDINATEL S.A. 3816 482 210 94 Empresa Nacional de Telecomun 7738 477 922 30 Telecomunicacoes da Bahia S.A 14117 444 31 27 Telefonica del Sur S.A.
Complete listing at http://thyme.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8452 1006 445 10 TEDATA 24863 733 147 36 LINKdotNET AS number 36992 658 279 179 Etisalat MISR 3741 266 906 224 The Internet Solution 6713 203 199 12 Itissalat Al-MAGHRIB 29571 203 19 11 Ci Telecom Autonomous system 2018 197 277 64 Tertiary Education Network 33776 196 12 14 Starcomms Nigeria Limited 24835 163 78 9 RAYA Telecom - Egypt 16637 137 418 90 MTN Network Solutions
Complete listing at http://thyme.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3776 3667 280 bellsouth.net, inc. 4323 2711 1106 389 Time Warner Telecom 19262 1822 4836 286 Verizon Global Networks 1785 1796 698 131 PaeTec Communications, Inc. 4766 1713 9436 501 Korea Telecom (KIX) 7018 1495 5733 961 AT&T WorldNet Services 20115 1493 1530 651 Charter Communications 7545 1409 297 82 TPG Internet Pty Ltd 4755 1357 368 163 TATA Communications formerly 6478 1355 275 135 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 2711 2322 Time Warner Telecom 1785 1796 1665 PaeTec Communications, Inc. 19262 1822 1536 Verizon Global Networks 7545 1409 1327 TPG Internet Pty Ltd 17488 1347 1223 Hathway IP Over Cable Interne 6478 1355 1220 AT&T Worldnet Services 4766 1713 1212 Korea Telecom (KIX) 4755 1357 1194 TATA Communications formerly 10620 1324 1175 TVCABLE BOGOTA 17974 1242 1158 PT TELEKOMUNIKASI INDONESIA
Complete listing at http://thyme.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65333 PRIVATE 5.0.0.0/8 0 * 11946 UNALLOCATED 8.12.155.0/24 40913 Quality Technology S 15040 UNALLOCATED 8.12.156.0/24 3356 Level 3 Communicatio 33084 UNALLOCATED 8.15.195.0/24 3356 Level 3 Communicatio 53562 UNALLOCATED 8.19.94.0/24 3356 Level 3 Communicatio 53407 UNALLOCATED 8.22.15.0/24 174 Cogent Communication 22015 UNALLOCATED 8.22.137.0/24 14989 Broadview Networks 21893 UNALLOCATED 8.26.33.0/24 3356 Level 3 Communicatio 53591 UNALLOCATED 8.26.82.0/24 22241 Integrated Communica 26169 UNALLOCATED 8.225.177.0/24 20225 TelJet
Complete listing at http://thyme.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 10.0.0.0/8 65333 Internet Assigned Numbers Aut 169.254.0.0/16 65333 Internet Assigned Numbers Aut 172.16.0.0/12 65333 Internet Assigned Numbers Aut 192.0.2.0/24 65333 Internet Assigned Numbers Aut 192.168.0.0/16 0 * 198.18.0.0/15 65333 Internet Assigned Numbers Aut
Complete listing at http://thyme.apnic.net/london/data-dsua
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<< 41.223.196.0/24 36990 Alkan Telecom Ltd 41.223.197.0/24 36990 Alkan Telecom Ltd 41.223.198.0/24 36990 Alkan Telecom Ltd 41.223.199.0/24 36990 Alkan Telecom Ltd 62.61.220.0/24 24974 Tachyon Europe BV - Wireless
Complete listing at http://thyme.apnic.net/london/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 /8:34 /9:10 /10:25 /11:67 /12:204 /13:422 /14:731 /15:1321 /16:11260 /17:5443 /18:9250 /19:18568 /20:23620 /21:23702 /22:31005 /23:30261 /24:171550 /25:11 /26:18 /27:27 /28:145 /29:88 /30:33 /31:0 /32:98
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2404 3776 bellsouth.net, inc. 4323 1367 2711 Time Warner Telecom 4766 1332 1713 Korea Telecom (KIX) 1785 1259 1796 PaeTec Communications, Inc. 10620 1212 1324 TVCABLE BOGOTA 11492 1105 1218 Cable One 17488 1087 1347 Hathway IP Over Cable Interne 18566 1039 1058 Covad Communications 24560 960 1062 Bharti Airtel Ltd., Telemedia 8452 920 1006 TEDATA
Complete listing at http://thyme.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:75 2:15 4:13 8:308 12:2014 13:8 14:13 15:20 16:3 17:9 20:8 24:1374 27:348 31:1 32:59 33:12 38:697 40:97 41:2468 44:3 46:141 47:10 49:4 52:12 55:6 56:2 57:27 58:736 59:503 60:476 61:989 62:1047 63:1967 64:3703 65:2295 66:4030 67:1842 68:1132 69:2830 70:738 71:375 72:1941 73:2 74:2303 75:288 76:321 77:871 78:675 79:425 80:1016 81:804 82:509 83:455 84:679 85:1038 86:432 87:694 88:325 89:1555 90:104 91:3074 92:431 93:1001 94:1104 95:731 96:392 97:219 98:633 99:32 101:3 108:64 109:707 110:417 111:588 112:283 113:287 114:450 115:595 116:1097 117:650 118:522 119:957 120:191 121:691 122:1547 123:915 124:1214 125:1242 128:177 129:151 130:166 131:552 132:269 133:20 134:199 135:46 136:222 137:137 138:273 139:107 140:456 141:195 142:333 143:358 144:471 145:54 146:423 147:167 148:609 149:297 150:146 151:233 152:293 153:171 154:2 155:367 156:166 157:307 158:112 159:355 160:314 161:184 162:266 163:155 164:418 165:368 166:467 167:408 168:657 169:156 170:711 171:62 172:2 173:1084 174:557 175:175 176:1 177:1 178:518 180:662 181:1 182:211 183:257 184:156 186:684 187:502 188:828 189:806 190:3992 192:5717 193:4732 194:3429 195:2830 196:1187 198:3492 199:3558 200:5361 201:1576 202:7925 203:8233 204:3958 205:2373 206:2452 207:2964 208:3881 209:3465 210:2511 211:1276 212:1790 213:1694 214:668 215:65 216:4743 217:1584 218:467 219:396 220:1167 221:382 222:312 223:41
End of report
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