This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats@lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfsinoz@gmail.com>. Routing Table Report 04:00 +10GMT Sat 03 Apr, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 316610 Prefixes after maximum aggregation: 146298 Deaggregation factor: 2.16 Unique aggregates announced to Internet: 154026 Total ASes present in the Internet Routing Table: 33705 Prefixes per ASN: 9.39 Origin-only ASes present in the Internet Routing Table: 29263 Origin ASes announcing only one prefix: 14300 Transit ASes present in the Internet Routing Table: 4442 Transit-only ASes present in the Internet Routing Table: 102 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (32374) 19 Prefixes from unregistered ASNs in the Routing Table: 1001 Unregistered ASNs in the Routing Table: 155 Number of 32-bit ASNs allocated by the RIRs: 506 Prefixes from 32-bit ASNs in the Routing Table: 522 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 231 Number of addresses announced to Internet: 2193892480 Equivalent to 130 /8s, 196 /16s and 36 /24s Percentage of available address space announced: 59.2 Percentage of allocated address space announced: 65.7 Percentage of available address space allocated: 90.0 Percentage of address space in use by end-sites: 82.0 Total number of prefixes smaller than registry allocations: 151724 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 75943 Total APNIC prefixes after maximum aggregation: 26376 APNIC Deaggregation factor: 2.88 Prefixes being announced from the APNIC address blocks: 72600 Unique aggregates announced from the APNIC address blocks: 31920 APNIC Region origin ASes present in the Internet Routing Table: 3990 APNIC Prefixes per ASN: 18.20 APNIC Region origin ASes announcing only one prefix: 1098 APNIC Region transit ASes present in the Internet Routing Table: 620 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 507205440 Equivalent to 30 /8s, 59 /16s and 87 /24s Percentage of available APNIC address space announced: 79.6 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, 27/8, 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, 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, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 132528 Total ARIN prefixes after maximum aggregation: 68590 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 105688 Unique aggregates announced from the ARIN address blocks: 40308 ARIN Region origin ASes present in the Internet Routing Table: 13615 ARIN Prefixes per ASN: 7.76 ARIN Region origin ASes announcing only one prefix: 5276 ARIN Region transit ASes present in the Internet Routing Table: 1352 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 724817568 Equivalent to 43 /8s, 51 /16s and 214 /24s Percentage of available ARIN address space announced: 61.7 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: 72685 Total RIPE prefixes after maximum aggregation: 42455 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 65723 Unique aggregates announced from the RIPE address blocks: 43244 RIPE Region origin ASes present in the Internet Routing Table: 14309 RIPE Prefixes per ASN: 4.59 RIPE Region origin ASes announcing only one prefix: 7407 RIPE Region transit ASes present in the Internet Routing Table: 2131 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 420675232 Equivalent to 25 /8s, 18 /16s and 254 /24s Percentage of available RIPE address space announced: 78.4 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: 28065 Total LACNIC prefixes after maximum aggregation: 6638 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 26411 Unique aggregates announced from the LACNIC address blocks: 13676 LACNIC Region origin ASes present in the Internet Routing Table: 1259 LACNIC Prefixes per ASN: 20.98 LACNIC Region origin ASes announcing only one prefix: 418 LACNIC Region transit ASes present in the Internet Routing Table: 218 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 71874816 Equivalent to 4 /8s, 72 /16s and 185 /24s Percentage of available LACNIC address space announced: 71.4 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: 6641 Total AfriNIC prefixes after maximum aggregation: 1789 AfriNIC Deaggregation factor: 3.71 Prefixes being announced from the AfriNIC address blocks: 4968 Unique aggregates announced from the AfriNIC address blocks: 1497 AfriNIC Region origin ASes present in the Internet Routing Table: 353 AfriNIC Prefixes per ASN: 14.07 AfriNIC Region origin ASes announcing only one prefix: 101 AfriNIC Region transit ASes present in the Internet Routing Table: 77 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 14979584 Equivalent to 0 /8s, 228 /16s and 146 /24s Percentage of available AfriNIC address space announced: 44.6 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 1837 8405 477 Korea Telecom (KIX) 17488 1307 134 130 Hathway IP Over Cable Interne 4755 1298 289 144 TATA Communications formerly 7545 1078 200 101 TPG Internet Pty Ltd 4134 1027 20317 397 CHINANET-BACKBONE 9583 996 74 498 Sify Limited 17974 982 281 17 PT TELEKOMUNIKASI INDONESIA 18101 879 433 32 Reliance Infocom Ltd Internet 24560 874 303 168 Bharti Airtel Ltd., Telemedia 4808 843 1584 213 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 4052 3842 310 bellsouth.net, inc. 4323 3827 1099 398 Time Warner Telecom 1785 1751 699 132 PaeTec Communications, Inc. 7018 1568 5757 998 AT&T WorldNet Services 20115 1528 1502 657 Charter Communications 2386 1326 618 936 AT&T Data Communications Serv 3356 1228 10952 423 Level 3 Communications, LLC 6478 1179 247 163 AT&T Worldnet Services 11492 1145 222 14 Cable One 22773 1139 2604 70 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 35805 612 56 6 United Telecom of Georgia 3292 448 1899 390 TDC Tele Danmark 30890 437 100 202 Evolva Telecom 702 421 1870 333 UUNET - Commercial IP service 8551 400 355 36 Bezeq International 8866 396 117 18 Bulgarian Telecommunication C 3320 363 7072 317 Deutsche Telekom AG 3301 356 1413 317 TeliaNet Sweden 3215 347 3206 103 France Telecom Transpac 12479 330 576 5 Uni2 Autonomous System 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 1537 2908 238 UniNet S.A. de C.V. 10620 1027 229 161 TVCABLE BOGOTA 28573 899 731 84 NET Servicos de Comunicao S.A 7303 700 367 101 Telecom Argentina Stet-France 22047 541 310 15 VTR PUNTO NET S.A. 18881 522 268 11 Global Village Telecom 6503 510 168 193 AVANTEL, S.A. 7738 477 922 30 Telecomunicacoes da Bahia S.A 3816 456 195 70 Empresa Nacional de Telecomun 14117 455 30 13 Telefonica del Sur 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 890 445 10 TEDATA 24863 704 144 41 LINKdotNET AS number 36992 552 120 162 Etisalat MISR 3741 274 853 233 The Internet Solution 33776 262 14 11 Starcomms Nigeria Limited 2018 215 230 111 Tertiary Education Network 6713 177 167 12 Itissalat Al-MAGHRIB 29571 171 19 9 Ci Telecom Autonomous system 24835 138 78 11 RAYA Telecom - Egypt 29975 133 506 14 Vodacom 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 4052 3842 310 bellsouth.net, inc. 4323 3827 1099 398 Time Warner Telecom 4766 1837 8405 477 Korea Telecom (KIX) 1785 1751 699 132 PaeTec Communications, Inc. 7018 1568 5757 998 AT&T WorldNet Services 8151 1537 2908 238 UniNet S.A. de C.V. 20115 1528 1502 657 Charter Communications 2386 1326 618 936 AT&T Data Communications Serv 17488 1307 134 130 Hathway IP Over Cable Interne 4755 1298 289 144 TATA Communications formerly Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 3827 3429 Time Warner Telecom 1785 1751 1619 PaeTec Communications, Inc. 4766 1837 1360 Korea Telecom (KIX) 8151 1537 1299 UniNet S.A. de C.V. 17488 1307 1177 Hathway IP Over Cable Interne 4755 1298 1154 TATA Communications formerly 11492 1145 1131 Cable One 22773 1139 1069 Cox Communications, Inc. 18566 1059 1049 Covad Communications 6478 1179 1016 AT&T Worldnet Services 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 12.39.155.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 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 41.190.64.0/22 28683 Office des Postes et telecomm 41.202.96.0/19 29571 Ci Telecom Autonomous system 41.220.144.0/20 36918 ORASCOM TELECOM ALGERIE VSAT 41.220.159.0/24 36918 ORASCOM TELECOM ALGERIE VSAT 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.24.0/22 25747 VSC Satellite Co 41.223.92.0/22 36936 >>UNKNOWN<< 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 /10:25 /11:66 /12:192 /13:391 /14:678 /15:1244 /16:11007 /17:5201 /18:8834 /19:18242 /20:22291 /21:22337 /22:29026 /23:28774 /24:165365 /25:948 /26:1197 /27:606 /28:133 /29:9 /30:7 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2616 4052 bellsouth.net, inc. 4323 2348 3827 Time Warner Telecom 4766 1475 1837 Korea Telecom (KIX) 1785 1213 1751 PaeTec Communications, Inc. 17488 1061 1307 Hathway IP Over Cable Interne 11492 1056 1145 Cable One 18566 1040 1059 Covad Communications 7018 942 1568 AT&T WorldNet Services 10620 933 1027 TVCABLE BOGOTA 9583 848 996 Sify Limited Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 2:1 4:13 8:254 12:2003 13:10 15:23 16:3 17:8 20:26 24:1381 27:22 32:48 33:12 38:658 40:100 41:1963 44:3 46:1 47:26 52:6 55:6 56:2 57:24 58:675 59:578 60:431 61:1097 62:1036 63:1970 64:3818 65:2361 66:4167 67:1815 68:1044 69:2801 70:696 71:238 72:1860 73:2 74:2150 75:244 76:314 77:839 78:600 79:417 80:991 81:777 82:454 83:452 84:690 85:1042 86:385 87:682 88:351 89:1551 90:82 91:2709 92:443 93:1099 94:1392 95:550 96:234 97:298 98:526 99:26 109:441 110:296 111:469 112:244 113:256 114:386 115:605 116:1029 117:626 118:415 119:959 120:147 121:854 122:1388 123:868 124:1070 125:1293 128:207 129:203 130:160 131:558 132:250 133:17 134:197 135:44 136:223 137:171 138:257 139:94 140:478 141:136 142:374 143:357 144:428 145:52 146:424 147:167 148:584 149:227 150:150 151:168 152:260 153:169 154:2 155:326 156:182 157:324 158:102 159:359 160:315 161:177 162:268 163:168 164:410 165:522 166:505 167:401 168:797 169:157 170:736 171:48 172:2 173:608 174:620 175:61 178:42 180:363 182:25 183:241 184:28 186:344 187:266 188:1220 189:715 190:3606 192:5719 193:4628 194:3358 195:2782 196:1168 198:3545 199:3387 200:5280 201:1481 202:7917 203:8283 204:4071 205:2291 206:2520 207:3017 208:3889 209:3446 210:2524 211:1217 212:1714 213:1683 214:587 215:72 216:4471 217:1505 218:482 219:424 220:1089 221:381 222:313 End of report