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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Sun 14 Mar, 2010
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 313737 Prefixes after maximum aggregation: 145185 Deaggregation factor: 2.16 Unique aggregates announced to Internet: 153273 Total ASes present in the Internet Routing Table: 33512 Prefixes per ASN: 9.36 Origin-only ASes present in the Internet Routing Table: 29092 Origin ASes announcing only one prefix: 14194 Transit ASes present in the Internet Routing Table: 4420 Transit-only ASes present in the Internet Routing Table: 101 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 22 Max AS path prepend of ASN (32374) 19 Prefixes from unregistered ASNs in the Routing Table: 947 Unregistered ASNs in the Routing Table: 153 Number of 32-bit ASNs allocated by the RIRs: 467 Prefixes from 32-bit ASNs in the Routing Table: 474 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 210 Number of addresses announced to Internet: 2215153248 Equivalent to 132 /8s, 8 /16s and 142 /24s Percentage of available address space announced: 59.8 Percentage of allocated address space announced: 66.4 Percentage of available address space allocated: 90.0 Percentage of address space in use by end-sites: 81.6 Total number of prefixes smaller than registry allocations: 150619
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 75441 Total APNIC prefixes after maximum aggregation: 26082 APNIC Deaggregation factor: 2.89 Prefixes being announced from the APNIC address blocks: 72114 Unique aggregates announced from the APNIC address blocks: 31883 APNIC Region origin ASes present in the Internet Routing Table: 3975 APNIC Prefixes per ASN: 18.14 APNIC Region origin ASes announcing only one prefix: 1085 APNIC Region transit ASes present in the Internet Routing Table: 618 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 515854912 Equivalent to 30 /8s, 191 /16s and 82 /24s Percentage of available APNIC address space announced: 80.9
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: 131147 Total ARIN prefixes after maximum aggregation: 68129 ARIN Deaggregation factor: 1.92 Prefixes being announced from the ARIN address blocks: 104895 Unique aggregates announced from the ARIN address blocks: 40128 ARIN Region origin ASes present in the Internet Routing Table: 13573 ARIN Prefixes per ASN: 7.73 ARIN Region origin ASes announcing only one prefix: 5257 ARIN Region transit ASes present in the Internet Routing Table: 1347 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 724146080 Equivalent to 43 /8s, 41 /16s and 151 /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: 72152 Total RIPE prefixes after maximum aggregation: 42133 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 65322 Unique aggregates announced from the RIPE address blocks: 43083 RIPE Region origin ASes present in the Internet Routing Table: 14188 RIPE Prefixes per ASN: 4.60 RIPE Region origin ASes announcing only one prefix: 7346 RIPE Region transit ASes present in the Internet Routing Table: 2123 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 417991808 Equivalent to 24 /8s, 234 /16s and 12 /24s Percentage of available RIPE address space announced: 77.9
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, 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: 27682 Total LACNIC prefixes after maximum aggregation: 6634 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 26029 Unique aggregates announced from the LACNIC address blocks: 13558 LACNIC Region origin ASes present in the Internet Routing Table: 1247 LACNIC Prefixes per ASN: 20.87 LACNIC Region origin ASes announcing only one prefix: 407 LACNIC Region transit ASes present in the Internet Routing Table: 211 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 71488000 Equivalent to 4 /8s, 66 /16s and 210 /24s Percentage of available LACNIC address space announced: 71.0
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: 6607 Total AfriNIC prefixes after maximum aggregation: 1790 AfriNIC Deaggregation factor: 3.69 Prefixes being announced from the AfriNIC address blocks: 4944 Unique aggregates announced from the AfriNIC address blocks: 1443 AfriNIC Region origin ASes present in the Internet Routing Table: 351 AfriNIC Prefixes per ASN: 14.09 AfriNIC Region origin ASes announcing only one prefix: 99 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: 18 Number of AfriNIC addresses announced to Internet: 14975232 Equivalent to 0 /8s, 228 /16s and 129 /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 1865 8533 473 Korea Telecom (KIX) 17488 1300 133 134 Hathway IP Over Cable Interne 4755 1285 287 136 TATA Communications formerly 18101 1053 221 41 Reliance Infocom Ltd Internet 4134 1018 19605 397 CHINANET-BACKBONE 9583 1000 75 500 Sify Limited 7545 966 199 101 TPG Internet Pty Ltd 17974 947 282 20 PT TELEKOMUNIKASI INDONESIA 24560 841 300 166 Bharti Airtel Ltd., Telemedia 9829 839 683 24 BSNL National Internet Backbo
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 4056 3842 312 bellsouth.net, inc. 4323 3788 1084 396 Time Warner Telecom 1785 1794 698 128 PaeTec Communications, Inc. 7018 1563 5757 1006 AT&T WorldNet Services 20115 1526 1492 663 Charter Communications 2386 1328 617 936 AT&T Data Communications Serv 3356 1223 10949 424 Level 3 Communications, LLC 6478 1155 245 170 AT&T Worldnet Services 11492 1151 222 14 Cable One 22773 1129 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 586 40 5 United Telecom of Georgia 30890 451 101 205 Evolva Telecom 3292 450 1900 392 TDC Tele Danmark 702 421 1870 333 UUNET - Commercial IP service 8551 396 353 37 Bezeq International 8866 392 117 18 Bulgarian Telecommunication C 3320 364 7072 318 Deutsche Telekom AG 3301 355 1413 316 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 1576 2893 238 UniNet S.A. de C.V. 10620 1012 228 155 TVCABLE BOGOTA 28573 910 715 86 NET Servicos de Comunicao S.A 7303 683 359 99 Telecom Argentina Stet-France 22047 534 310 15 VTR PUNTO NET S.A. 6503 497 166 192 AVANTEL, S.A. 7738 477 922 30 Telecomunicacoes da Bahia S.A 11830 474 308 56 Instituto Costarricense de El 18881 452 268 11 Global Village Telecom 3816 450 194 70 Empresa Nacional de Telecomun
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 913 445 10 TEDATA 24863 709 144 41 LINKdotNET AS number 36992 573 131 167 Etisalat MISR 3741 274 853 233 The Internet Solution 33776 217 14 8 Starcomms Nigeria Limited 2018 211 215 121 Tertiary Education Network 6713 177 167 12 Itissalat Al-MAGHRIB 29571 171 19 9 Ci Telecom Autonomous system 24835 136 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 4056 3842 312 bellsouth.net, inc. 4323 3788 1084 396 Time Warner Telecom 4766 1865 8533 473 Korea Telecom (KIX) 1785 1794 698 128 PaeTec Communications, Inc. 8151 1576 2893 238 UniNet S.A. de C.V. 7018 1563 5757 1006 AT&T WorldNet Services 20115 1526 1492 663 Charter Communications 2386 1328 617 936 AT&T Data Communications Serv 17488 1300 133 134 Hathway IP Over Cable Interne 4755 1285 287 136 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 3788 3392 Time Warner Telecom 1785 1794 1666 PaeTec Communications, Inc. 4766 1865 1392 Korea Telecom (KIX) 8151 1576 1338 UniNet S.A. de C.V. 17488 1300 1166 Hathway IP Over Cable Interne 4755 1285 1149 TATA Communications formerly 11492 1151 1137 Cable One 22773 1129 1059 Cox Communications, Inc. 18566 1059 1049 Covad Communications 18101 1053 1012 Reliance Infocom Ltd Internet
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 41.77.236.0/22 23456 32-bit ASN transition 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 Amsco Telecommunications Nige 41.223.24.0/22 25747 VSC Satellite Co
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 /8:21 /9:10 /10:25 /11:66 /12:188 /13:389 /14:666 /15:1232 /16:10971 /17:5172 /18:8738 /19:18127 /20:22043 /21:22243 /22:28675 /23:28371 /24:163872 /25:929 /26:1170 /27:586 /28:213 /29:14 /30:8 /31:0 /32:8
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2624 4056 bellsouth.net, inc. 4323 2352 3788 Time Warner Telecom 4766 1476 1865 Korea Telecom (KIX) 1785 1258 1794 PaeTec Communications, Inc. 11492 1061 1151 Cable One 17488 1054 1300 Hathway IP Over Cable Interne 18566 1040 1059 Covad Communications 7018 945 1563 AT&T WorldNet Services 18101 919 1053 Reliance Infocom Ltd Internet 10620 918 1012 TVCABLE BOGOTA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
2:1 4:12 8:244 12:1985 13:10 15:22 16:3 17:8 20:39 24:1354 27:1 32:48 38:648 40:100 41:1973 44:3 46:1 47:26 52:6 55:2 56:2 57:23 58:644 59:638 60:401 61:1094 62:1074 63:1978 64:3828 65:2358 66:4152 67:1806 68:1048 69:2843 70:694 71:239 72:1869 73:2 74:2137 75:242 76:315 77:829 78:581 79:412 80:992 81:768 82:449 83:449 84:653 85:1021 86:385 87:678 88:432 89:1540 90:77 91:2711 92:434 93:1134 94:1388 95:544 96:230 97:305 98:503 99:27 109:420 110:280 111:455 112:239 113:243 114:378 115:597 116:1034 117:634 118:391 119:936 120:149 121:844 122:1384 123:853 124:1073 125:1291 128:208 129:204 130:139 131:487 132:219 133:17 134:195 135:45 136:227 137:170 138:241 139:93 140:475 141:137 142:377 143:350 144:412 145:48 146:414 147:168 148:583 149:216 150:151 151:168 152:257 153:167 154:2 155:279 156:181 157:324 158:94 159:357 160:307 161:178 162:270 163:165 164:311 165:493 166:506 167:392 168:787 169:163 170:700 171:46 172:1 173:552 174:541 175:61 178:5 180:356 182:29 183:230 184:16 186:316 187:217 188:1138 189:703 190:3524 192:5715 193:4536 194:3363 195:2794 196:1174 198:3546 199:3381 200:5198 201:1484 202:8058 203:8334 204:4075 205:2169 206:2511 207:3038 208:3920 209:3450 210:2531 211:1195 212:1695 213:1693 214:263 215:61 216:4487 217:1508 218:472 219:426 220:1075 221:380 222:312
End of report
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