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Routing Table Report 00:00 GMT Wed 01 Dec, 2010
NB: RouteViews data includes iBGP information from some ASNs. Treat the information provided below appropriately.
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/rviews/
Analysis Summary ----------------
BGP routing table entries examined: 342239 Prefixes after maximum aggregation: 153820 Deaggregation factor: 2.22 Unique aggregates announced to Internet: 165272 Total ASes present in the Internet Routing Table: 35368 Prefixes per ASN: 9.68 Origin-only ASes present in the Internet Routing Table: 30503 Origin ASes announcing only one prefix: 14844 Transit ASes present in the Internet Routing Table: 4865 Transit-only ASes present in the Internet Routing Table: 107 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 26 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 627 Unregistered ASNs in the Routing Table: 267 Number of 32-bit ASNs allocated by the RIRs: 923 Prefixes from 32-bit ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 69 Prefixes being announced from unallocated address space: 201 Number of addresses announced to Internet: 2315235386 Equivalent to 137 /8s, 255 /16s and 176 /24s Percentage of available address space announced: 62.5 Percentage of allocated address space announced: 65.7 Percentage of available address space allocated: 95.0 Percentage of address space in use by end-sites: 86.3 Total number of prefixes smaller than registry allocations: 140382
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 82104 Total APNIC prefixes after maximum aggregation: 27459 APNIC Deaggregation factor: 2.99 Prefixes being announced from the APNIC address blocks: 79131 Unique aggregates announced from the APNIC address blocks: 34476 APNIC Region origin ASes present in the Internet Routing Table: 4236 APNIC Prefixes per ASN: 18.68 APNIC Region origin ASes announcing only one prefix: 1198 APNIC Region transit ASes present in the Internet Routing Table: 667 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 573869762 Equivalent to 34 /8s, 52 /16s and 142 /24s Percentage of available APNIC address space announced: 77.7
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, 36/8, 42/8, 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: 139598 Total ARIN prefixes after maximum aggregation: 71826 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 110285 Unique aggregates announced from the ARIN address blocks: 43700 ARIN Region origin ASes present in the Internet Routing Table: 14044 ARIN Prefixes per ASN: 7.85 ARIN Region origin ASes announcing only one prefix: 5354 ARIN Region transit ASes present in the Internet Routing Table: 1448 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 23 Number of ARIN addresses announced to Internet: 741385481 Equivalent to 44 /8s, 48 /16s and 165 /24s Percentage of available ARIN address space announced: 64.0
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, 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: 81834 Total RIPE prefixes after maximum aggregation: 45425 RIPE Deaggregation factor: 1.80 Prefixes being announced from the RIPE address blocks: 74662 Unique aggregates announced from the RIPE address blocks: 46703 RIPE Region origin ASes present in the Internet Routing Table: 15098 RIPE Prefixes per ASN: 4.95 RIPE Region origin ASes announcing only one prefix: 7717 RIPE Region transit ASes present in the Internet Routing Table: 2352 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 447627733 Equivalent to 26 /8s, 174 /16s and 65 /24s Percentage of available RIPE address space announced: 78.5
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, 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: 30890 Total LACNIC prefixes after maximum aggregation: 7093 LACNIC Deaggregation factor: 4.35 Prefixes being announced from the LACNIC address blocks: 29636 Unique aggregates announced from the LACNIC address blocks: 15296 LACNIC Region origin ASes present in the Internet Routing Table: 1401 LACNIC Prefixes per ASN: 21.15 LACNIC Region origin ASes announcing only one prefix: 443 LACNIC Region transit ASes present in the Internet Routing Table: 250 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 78232584 Equivalent to 4 /8s, 169 /16s and 188 /24s Percentage of available LACNIC address space announced: 58.3
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: 7590 Total AfriNIC prefixes after maximum aggregation: 1896 AfriNIC Deaggregation factor: 4.00 Prefixes being announced from the AfriNIC address blocks: 5872 Unique aggregates announced from the AfriNIC address blocks: 1752 AfriNIC Region origin ASes present in the Internet Routing Table: 417 AfriNIC Prefixes per ASN: 14.08 AfriNIC Region origin ASes announcing only one prefix: 132 AfriNIC Region transit ASes present in the Internet Routing Table: 91 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC addresses announced to Internet: 21158656 Equivalent to 1 /8s, 66 /16s and 219 /24s Percentage of available AfriNIC address space announced: 42.0
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 105/8, 197/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4766 1726 9470 519 Korea Telecom (KIX) 7545 1454 298 78 TPG Internet Pty Ltd 4755 1388 639 157 Videsh Sanchar Nigam Ltd. Aut 17488 1372 157 121 Hathway IP Over Cable Interne 17974 1305 459 27 PT TELEKOMUNIKASI INDONESIA 9583 1036 75 487 Sify Limited 24560 1030 309 166 Bharti Airtel Ltd. 4808 921 1648 251 CNCGROUP IP network: China169 18101 910 116 141 Reliance Infocom Ltd Internet 9829 836 696 31 BSNL National Internet Backbo
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3742 3890 274 bellsouth.net, inc. 4323 2648 1102 401 Time Warner Telecom 19262 1839 4852 283 Verizon Global Networks 1785 1808 697 132 AppliedTheory Corporation 20115 1554 1534 637 Charter Communications 6478 1419 286 71 AT&T Worldnet Services 7018 1396 5695 895 AT&T WorldNet Services 2386 1313 572 931 AT&T Data Communications Serv 11492 1260 233 64 Cable One 22773 1256 2864 72 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 286 873 711 143 KPNQwest Backbone AS 3292 542 2010 386 TDC Tele Danmark 9116 541 328 33 Goldenlines main autonomous s 8866 439 134 24 Bulgarian Telecommunication C 9198 419 202 13 Kazakhtelecom Corporate Sales 34984 419 92 191 Tellcom Iletisim Hizmetleri 8551 404 355 39 Bezeq International 702 403 1867 317 UUNET - Commercial IP service 12479 382 577 6 Uni2 Autonomous System 3301 381 1696 335 TeliaNet Sweden
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 1346 2609 368 Uninet S.A. de C.V. 10620 1344 250 156 TVCABLE BOGOTA 28573 1196 933 73 Types of queries are: POCs, o 6503 1170 355 81 AVANTEL, S.A. 7303 826 441 106 Telecom Argentina Stet-France 14420 579 49 87 Types of queries are: POCs, o 22047 564 310 15 Types of queries are: POCs, o 3816 492 214 97 COLOMBIA TELECOMUNICACIONES S 7738 478 922 30 Telecomunicacoes da Bahia S.A 14117 450 32 29 Telefonica del Sur S.A.
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8452 1105 445 10 TEDATA 24863 682 147 40 LINKdotNET AS number 36992 653 278 159 Etisalat MISR 3741 263 859 225 The Internet Solution 6713 203 199 12 Itissalat Al-MAGHRIB 24835 198 78 10 RAYA Telecom - Egypt 29571 197 19 11 Ci Telecom Autonomous system 2018 196 277 64 TENET-1 33776 182 11 15 Starcomms Nigeria Limited 16637 163 440 90 Johnnic e-Ventures
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3742 3890 274 bellsouth.net, inc. 4323 2648 1102 401 Time Warner Telecom 19262 1839 4852 283 Verizon Global Networks 1785 1808 697 132 AppliedTheory Corporation 4766 1726 9470 519 Korea Telecom (KIX) 20115 1554 1534 637 Charter Communications 7545 1454 298 78 TPG Internet Pty Ltd 6478 1419 286 71 AT&T Worldnet Services 7018 1396 5695 895 AT&T WorldNet Services 4755 1388 639 157 Videsh Sanchar Nigam Ltd. Aut
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 2648 2247 Time Warner Telecom 1785 1808 1676 AppliedTheory Corporation 19262 1839 1556 Verizon Global Networks 7545 1454 1376 TPG Internet Pty Ltd 6478 1419 1348 AT&T Worldnet Services 17974 1305 1278 PT TELEKOMUNIKASI INDONESIA 17488 1372 1251 Hathway IP Over Cable Interne 4755 1388 1231 Videsh Sanchar Nigam Ltd. Aut 4766 1726 1207 Korea Telecom (KIX) 11492 1260 1196 Cable One
Complete listing at http://thyme.rand.apnic.net/rviews/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 46164 UNALLOCATED 4.23.88.0/24 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.23.89.0/24 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.23.92.0/23 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.23.94.0/23 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.38.0.0/21 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.38.8.0/21 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.43.50.0/24 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.43.51.0/24 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.67.96.0/21 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.67.104.0/21 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 10.29.245.1/32 286 KPNQwest Backbone AS 10.29.245.2/32 286 KPNQwest Backbone AS 10.29.245.15/32 286 KPNQwest Backbone AS 10.29.245.25/32 286 KPNQwest Backbone AS 10.29.245.26/32 286 KPNQwest Backbone AS 10.29.245.27/32 286 KPNQwest Backbone AS 10.29.245.28/32 286 KPNQwest Backbone AS 10.29.245.29/32 286 KPNQwest Backbone AS 10.29.245.30/32 286 KPNQwest Backbone AS 10.29.245.50/32 286 KPNQwest Backbone AS
Complete listing at http://thyme.rand.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 36.126.8.255/8 77 Johns Hopkins University Appl 41.222.79.0/24 36938 Amsco Telecommunications Nige 41.223.92.0/22 36936 >>UNKNOWN<< 46.22.208.0/20 34702 WaveCom AS 46.38.192.0/19 34968 iunxi BV 46.162.128.0/18 39180 LA SOLUTION TELECOM 46.163.0.0/18 9119 Softnet d.o.o. 46.182.248.0/21 25220 GLOBALNOC BACKBONE SERVICES 46.188.128.0/17 35648 T-Mobile Hrvatska Autonomous 62.61.220.0/24 24974 Tachyon Europe BV - Wireless
Complete listing at http://thyme.rand.apnic.net/rviews/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 /11:71 /12:211 /13:426 /14:753 /15:1362 /16:11459 /17:5736 /18:9508 /19:19064 /20:24527 /21:24477 /22:32116 /23:31086 /24:178439 /25:375 /26:391 /27:213 /28:381 /29:302 /30:655 /31:14 /32:617
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2309 3742 bellsouth.net, inc. 4323 1430 2648 Time Warner Telecom 6478 1377 1419 AT&T Worldnet Services 10620 1236 1344 TVCABLE BOGOTA 11492 1217 1260 Cable One 1785 1079 1808 AppliedTheory Corporation 18566 1072 1091 Covad Communications 7011 1068 1169 Citizens Utilities 8452 969 1105 TEDATA 19262 958 1839 Verizon Global Networks
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:101 2:38 4:17 8:318 12:2027 13:6 14:73 15:17 16:3 17:8 20:9 24:1442 27:464 32:131 33:7 34:2 36:1 38:716 40:101 41:2615 42:1 44:3 46:308 47:10 49:34 50:14 52:12 55:8 56:2 57:41 58:855 59:503 60:500 61:1141 62:1033 63:1951 64:3713 65:2328 66:4117 67:1819 68:1151 69:2916 70:757 71:386 72:1964 73:2 74:2333 75:297 76:329 77:886 78:695 79:447 80:1055 81:803 82:531 83:452 84:648 85:1050 86:494 87:733 88:394 89:1597 90:121 91:3256 92:460 93:1028 94:1115 95:702 96:406 97:241 98:699 99:33 101:3 107:2 108:69 109:790 110:425 111:653 112:308 113:321 114:477 115:646 116:1131 117:660 118:574 119:1007 120:184 121:716 122:1585 123:973 124:1236 125:1275 128:229 129:153 130:172 131:567 132:235 133:20 134:210 135:46 136:213 137:147 138:289 139:122 140:479 141:195 142:350 143:518 144:485 145:55 146:431 147:185 148:639 149:319 150:150 151:232 152:294 153:173 154:3 155:366 156:167 157:345 158:126 159:363 160:311 161:199 162:276 163:167 164:434 165:351 166:466 167:422 168:710 169:155 170:720 171:67 172:3 173:1130 174:445 175:256 176:1 178:650 180:708 182:523 183:243 184:202 186:887 187:755 188:857 189:1031 190:4244 192:5816 193:4828 194:3525 195:3027 196:1218 197:1 198:3545 199:3664 200:5474 201:1571 202:8384 203:8355 204:4047 205:2351 206:2573 207:2985 208:3891 209:3460 210:2549 211:1327 212:1873 213:1776 214:700 215:62 216:4775 217:1617 218:571 219:397 220:1229 221:434 222:342 223:76
End of report
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