Routing Table Report 04:00 +10GMT Mon 28 Sep, 2009
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 298853 Prefixes after maximum aggregation: 140052 Deaggregation factor: 2.13 Unique aggregates announced to Internet: 148173 Total ASes present in the Internet Routing Table: 32268 Prefixes per ASN: 9.26 Origin-only ASes present in the Internet Routing Table: 28039 Origin ASes announcing only one prefix: 13693 Transit ASes present in the Internet Routing Table: 4229 Transit-only ASes present in the Internet Routing Table: 104 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 31 Max AS path prepend of ASN (45127) 27 Prefixes from unregistered ASNs in the Routing Table: 455 Unregistered ASNs in the Routing Table: 121 Number of 32-bit ASNs allocated by the RIRs: 287 Prefixes from 32-bit ASNs in the Routing Table: 144 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 201 Number of addresses announced to Internet: 2109131264 Equivalent to 125 /8s, 182 /16s and 202 /24s Percentage of available address space announced: 56.9 Percentage of allocated address space announced: 64.5 Percentage of available address space allocated: 88.2 Percentage of address space in use by end-sites: 79.1 Total number of prefixes smaller than registry allocations: 143668
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 71489 Total APNIC prefixes after maximum aggregation: 25126 APNIC Deaggregation factor: 2.85 Prefixes being announced from the APNIC address blocks: 67906 Unique aggregates announced from the APNIC address blocks: 30307 APNIC Region origin ASes present in the Internet Routing Table: 3803 APNIC Prefixes per ASN: 17.86 APNIC Region origin ASes announcing only one prefix: 1046 APNIC Region transit ASes present in the Internet Routing Table: 583 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 31 Number of APNIC addresses announced to Internet: 460961056 Equivalent to 27 /8s, 121 /16s and 181 /24s Percentage of available APNIC address space announced: 78.5
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 43/8, 58/8, 59/8, 60/8, 61/8, 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, 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,
ARIN Region Analysis Summary ----------------------------
Prefixes being announced by ARIN Region ASes: 126895 Total ARIN prefixes after maximum aggregation: 66677 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 101335 Unique aggregates announced from the ARIN address blocks: 38422 ARIN Region origin ASes present in the Internet Routing Table: 13249 ARIN Prefixes per ASN: 7.65 ARIN Region origin ASes announcing only one prefix: 5132 ARIN Region transit ASes present in the Internet Routing Table: 1295 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 706201984 Equivalent to 42 /8s, 23 /16s and 201 /24s Percentage of available ARIN address space announced: 61.9
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, 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, 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: 68604 Total RIPE prefixes after maximum aggregation: 40166 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 62329 Unique aggregates announced from the RIPE address blocks: 41675 RIPE Region origin ASes present in the Internet Routing Table: 13516 RIPE Prefixes per ASN: 4.61 RIPE Region origin ASes announcing only one prefix: 7040 RIPE Region transit ASes present in the Internet Routing Table: 2042 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 399790528 Equivalent to 23 /8s, 212 /16s and 81 /24s Percentage of available RIPE address space announced: 74.5
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, 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, 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: 25606 Total LACNIC prefixes after maximum aggregation: 6248 LACNIC Deaggregation factor: 4.10 Prefixes being announced from the LACNIC address blocks: 23894 Unique aggregates announced from the LACNIC address blocks: 13393 LACNIC Region origin ASes present in the Internet Routing Table: 1184 LACNIC Prefixes per ASN: 20.18 LACNIC Region origin ASes announcing only one prefix: 380 LACNIC Region transit ASes present in the Internet Routing Table: 191 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 66541824 Equivalent to 3 /8s, 247 /16s and 89 /24s Percentage of available LACNIC address space announced: 66.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 5874 Total AfriNIC prefixes after maximum aggregation: 1564 AfriNIC Deaggregation factor: 3.76 Prefixes being announced from the AfriNIC address blocks: 4256 Unique aggregates announced from the AfriNIC address blocks: 1525 AfriNIC Region origin ASes present in the Internet Routing Table: 320 AfriNIC Prefixes per ASN: 13.30 AfriNIC Region origin ASes announcing only one prefix: 95 AfriNIC Region transit ASes present in the Internet Routing Table: 67 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 12499456 Equivalent to 0 /8s, 190 /16s and 186 /24s Percentage of available AfriNIC address space announced: 37.3
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 1763 6995 453 Korea Telecom (KIX) 17488 1477 135 139 Hathway IP Over Cable Interne 4755 1254 292 144 TATA Communications formerly 9583 1101 87 530 Sify Limited 4134 1009 18168 391 CHINANET-BACKBONE 18101 976 204 33 Reliance Infocom Ltd Internet 7545 872 198 100 TPG Internet Pty Ltd 9829 813 626 19 BSNL National Internet Backbo 24560 774 285 164 Bharti Airtel Ltd., Telemedia 4808 762 1518 181 CNCGROUP IP network: China169
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 4161 3627 315 bellsouth.net, inc. 4323 3699 1045 382 Time Warner Telecom 1785 1751 714 138 PaeTec Communications, Inc. 7018 1511 5876 1057 AT&T WorldNet Services 20115 1479 1477 668 Charter Communications 6478 1412 279 301 AT&T Worldnet Services 2386 1319 657 949 AT&T Data Communications Serv 3356 1234 10964 440 Level 3 Communications, LLC 11492 1128 208 12 Cable One 22773 1109 2604 67 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 30890 493 93 202 Evolva Telecom 3292 446 1900 393 TDC Tele Danmark 12479 426 578 6 Uni2 Autonomous System 702 425 1822 343 UUNET - Commercial IP service 35805 415 40 5 United Telecom of Georgia 9198 376 138 12 Kazakhtelecom Data Network Ad 8866 358 110 23 Bulgarian Telecommunication C 3320 352 7067 303 Deutsche Telekom AG 3301 351 1412 308 TeliaNet Sweden 3215 348 3128 110 France Telecom Transpac
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 1477 2899 244 UniNet S.A. de C.V. 10620 1015 227 95 TVCABLE BOGOTA 28573 710 622 62 NET Servicos de Comunicao S.A 7303 641 339 95 Telecom Argentina Stet-France 22047 544 302 14 VTR PUNTO NET S.A. 11830 475 310 61 Instituto Costarricense de El 11172 440 99 70 Servicios Alestra S.A de C.V 14117 435 29 11 Telefonica del Sur S.A. 7738 424 858 29 Telecomunicacoes da Bahia S.A 6471 423 96 31 ENTEL CHILE S.A.
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8452 969 188 7 TEDATA 24863 938 97 62 LINKdotNET AS number 3741 272 856 234 The Internet Solution 2018 196 186 118 Tertiary Education Network 6713 175 166 16 Itissalat Al-MAGHRIB 29571 139 14 6 Ci Telecom Autonomous system 24835 123 46 9 RAYA Telecom - Egypt 5536 122 8 13 Internet Egypt Network 33776 120 7 11 Starcomms Nigeria Limited 5713 118 520 69 Telkom SA Ltd
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 4161 3627 315 bellsouth.net, inc. 4323 3699 1045 382 Time Warner Telecom 4766 1763 6995 453 Korea Telecom (KIX) 1785 1751 714 138 PaeTec Communications, Inc. 7018 1511 5876 1057 AT&T WorldNet Services 20115 1479 1477 668 Charter Communications 8151 1477 2899 244 UniNet S.A. de C.V. 17488 1477 135 139 Hathway IP Over Cable Interne 6478 1412 279 301 AT&T Worldnet Services 2386 1319 657 949 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 3699 3317 Time Warner Telecom 1785 1751 1613 PaeTec Communications, Inc. 17488 1477 1338 Hathway IP Over Cable Interne 4766 1763 1310 Korea Telecom (KIX) 8151 1477 1233 UniNet S.A. de C.V. 11492 1128 1116 Cable One 6478 1412 1111 AT&T Worldnet Services 4755 1254 1110 TATA Communications formerly 18566 1062 1052 Covad Communications 22773 1109 1042 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 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 12.39.159.0/24 7018 AT&T WorldNet Servic 32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 2.0.0.0/16 12654 RIPE NCC RIS Project 2.1.0.0/21 12654 RIPE NCC RIS Project 2.1.24.0/24 12654 RIPE NCC RIS Project 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.189.0/24 26452 Local Communications Networks 43.245.0.0/16 7502 Internetwork Kyoto 46.0.0.0/16 12654 RIPE NCC RIS Project 46.1.0.0/21 12654 RIPE NCC RIS Project 46.1.24.0/24 12654 RIPE NCC RIS Project 62.61.220.0/24 24974 Tachyon Europe BV - Wireless
Complete listing at http://thyme.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 /8:19 /9:10 /10:24 /11:63 /12:176 /13:354 /14:625 /15:1200 /16:10677 /17:4835 /18:8366 /19:17467 /20:20860 /21:20888 /22:27127 /23:26761 /24:156605 /25:931 /26:1067 /27:566 /28:169 /29:40 /30:15 /31:0 /32:8
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2693 4161 bellsouth.net, inc. 4323 2360 3699 Time Warner Telecom 4766 1436 1763 Korea Telecom (KIX) 17488 1238 1477 Hathway IP Over Cable Interne 1785 1217 1751 PaeTec Communications, Inc. 11492 1054 1128 Cable One 18566 1043 1062 Covad Communications 9583 953 1101 Sify Limited 10620 921 1015 TVCABLE BOGOTA 8452 896 969 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
2:1 4:14 8:227 12:2145 13:7 15:22 16:3 17:5 20:36 24:1168 32:52 34:2 38:602 40:97 41:1689 43:1 44:2 46:1 47:16 52:6 55:2 56:2 57:25 58:615 59:648 60:454 61:1078 62:1030 63:1999 64:3737 65:2393 66:4086 67:1776 68:964 69:2768 70:571 71:154 72:1670 73:2 74:1946 75:179 76:321 77:874 78:584 79:393 80:904 81:801 82:504 83:432 84:530 85:1025 86:381 87:682 88:388 89:1485 90:61 91:2560 92:405 93:1239 94:1203 95:1100 96:168 97:267 98:294 99:30 109:43 110:207 111:440 112:138 113:150 114:260 115:352 116:1110 117:569 118:325 119:772 120:135 121:778 122:1289 123:775 124:1047 125:1347 128:222 129:216 130:129 131:424 132:74 133:10 134:173 135:42 136:240 137:164 138:177 139:85 140:442 141:121 142:383 143:331 144:347 145:49 146:391 147:172 148:547 149:212 150:209 151:183 152:215 153:155 154:2 155:270 156:165 157:307 158:113 159:354 160:291 161:164 162:271 163:171 164:280 165:519 166:474 167:375 168:798 169:166 170:471 171:43 172:2 173:418 174:375 175:1 178:1 180:34 182:1 186:142 187:155 188:983 189:586 190:3074 192:5773 193:4260 194:3282 195:2755 196:1146 198:3558 199:3349 200:5217 201:1322 202:7844 203:8255 204:3935 205:2203 206:2440 207:2975 208:3955 209:3485 210:2545 211:1125 212:1612 213:1625 214:179 215:40 216:4388 217:1312 218:410 219:450 220:1127 221:438 222:318
End of report
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Routing Analysis Role Account