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Routing Table Report 00:00 GMT Sat 27 Nov, 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: 341744 Prefixes after maximum aggregation: 153703 Deaggregation factor: 2.22 Unique aggregates announced to Internet: 165131 Total ASes present in the Internet Routing Table: 35366 Prefixes per ASN: 9.66 Origin-only ASes present in the Internet Routing Table: 30491 Origin ASes announcing only one prefix: 14856 Transit ASes present in the Internet Routing Table: 4875 Transit-only ASes present in the Internet Routing Table: 111 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 25 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 611 Unregistered ASNs in the Routing Table: 264 Number of 32-bit ASNs allocated by the RIRs: 921 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: 195 Number of addresses announced to Internet: 2311835186 Equivalent to 137 /8s, 203 /16s and 206 /24s Percentage of available address space announced: 62.4 Percentage of allocated address space announced: 65.6 Percentage of available address space allocated: 95.0 Percentage of address space in use by end-sites: 86.2 Total number of prefixes smaller than registry allocations: 140191
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 81796 Total APNIC prefixes after maximum aggregation: 27423 APNIC Deaggregation factor: 2.98 Prefixes being announced from the APNIC address blocks: 78840 Unique aggregates announced from the APNIC address blocks: 34392 APNIC Region origin ASes present in the Internet Routing Table: 4237 APNIC Prefixes per ASN: 18.61 APNIC Region origin ASes announcing only one prefix: 1206 APNIC Region transit ASes present in the Internet Routing Table: 677 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 571799234 Equivalent to 34 /8s, 20 /16s and 246 /24s Percentage of available APNIC address space announced: 77.5
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 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: 139505 Total ARIN prefixes after maximum aggregation: 71798 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 110287 Unique aggregates announced from the ARIN address blocks: 43750 ARIN Region origin ASes present in the Internet Routing Table: 14043 ARIN Prefixes per ASN: 7.85 ARIN Region origin ASes announcing only one prefix: 5357 ARIN Region transit ASes present in the Internet Routing Table: 1463 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 741356553 Equivalent to 44 /8s, 48 /16s and 52 /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: 81803 Total RIPE prefixes after maximum aggregation: 45355 RIPE Deaggregation factor: 1.80 Prefixes being announced from the RIPE address blocks: 74633 Unique aggregates announced from the RIPE address blocks: 46621 RIPE Region origin ASes present in the Internet Routing Table: 15088 RIPE Prefixes per ASN: 4.95 RIPE Region origin ASes announcing only one prefix: 7710 RIPE Region transit ASes present in the Internet Routing Table: 2327 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 446230741 Equivalent to 26 /8s, 152 /16s and 240 /24s Percentage of available RIPE address space announced: 78.2
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: 30669 Total LACNIC prefixes after maximum aggregation: 7102 LACNIC Deaggregation factor: 4.32 Prefixes being announced from the LACNIC address blocks: 29521 Unique aggregates announced from the LACNIC address blocks: 15277 LACNIC Region origin ASes present in the Internet Routing Table: 1400 LACNIC Prefixes per ASN: 21.09 LACNIC Region origin ASes announcing only one prefix: 446 LACNIC Region transit ASes present in the Internet Routing Table: 249 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 78110720 Equivalent to 4 /8s, 167 /16s and 224 /24s Percentage of available LACNIC address space announced: 58.2
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: 7704 Total AfriNIC prefixes after maximum aggregation: 1905 AfriNIC Deaggregation factor: 4.04 Prefixes being announced from the AfriNIC address blocks: 5967 Unique aggregates announced from the AfriNIC address blocks: 1757 AfriNIC Region origin ASes present in the Internet Routing Table: 423 AfriNIC Prefixes per ASN: 14.11 AfriNIC Region origin ASes announcing only one prefix: 137 AfriNIC Region transit ASes present in the Internet Routing Table: 94 Average AfriNIC Region AS path length visible: 4.1 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC addresses announced to Internet: 21500672 Equivalent to 1 /8s, 72 /16s and 19 /24s Percentage of available AfriNIC address space announced: 42.7
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 1718 9470 516 Korea Telecom (KIX) 7545 1441 298 78 TPG Internet Pty Ltd 4755 1383 383 156 Videsh Sanchar Nigam Ltd. Aut 17488 1368 157 121 Hathway IP Over Cable Interne 17974 1316 427 27 PT TELEKOMUNIKASI INDONESIA 9583 1035 75 487 Sify Limited 24560 1030 309 166 Bharti Airtel Ltd. 4808 913 1665 257 CNCGROUP IP network: China169 18101 908 116 141 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 3741 3890 273 bellsouth.net, inc. 4323 2653 1104 403 Time Warner Telecom 19262 1839 4852 283 Verizon Global Networks 1785 1803 697 133 AppliedTheory Corporation 20115 1556 1535 639 Charter Communications 6478 1413 285 80 AT&T Worldnet Services 7018 1408 5699 904 AT&T WorldNet Services 2386 1311 572 929 AT&T Data Communications Serv 11492 1260 233 62 Cable One 22773 1254 2863 71 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 286 872 711 143 KPNQwest Backbone AS 3292 543 2010 387 TDC Tele Danmark 9116 541 328 33 Goldenlines main autonomous s 8866 433 134 24 Bulgarian Telecommunication C 9198 416 202 13 Kazakhtelecom Corporate Sales 8551 404 355 39 Bezeq International 34984 401 92 192 Tellcom Iletisim Hizmetleri 702 397 1865 311 UUNET - Commercial IP service 3301 383 1696 336 TeliaNet Sweden 12479 380 576 5 Uni2 Autonomous System
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 1347 2609 366 Uninet S.A. de C.V. 10620 1339 249 158 TVCABLE BOGOTA 28573 1187 932 79 Types of queries are: POCs, o 6503 1164 355 81 AVANTEL, S.A. 7303 801 440 94 Telecom Argentina Stet-France 14420 575 49 83 Types of queries are: POCs, o 22047 564 310 15 Types of queries are: POCs, o 3816 490 214 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 1122 445 10 TEDATA 24863 742 147 40 LINKdotNET AS number 36992 653 278 161 Etisalat MISR 3741 264 923 226 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 195 12 14 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 3741 3890 273 bellsouth.net, inc. 4323 2653 1104 403 Time Warner Telecom 19262 1839 4852 283 Verizon Global Networks 1785 1803 697 133 AppliedTheory Corporation 4766 1718 9470 516 Korea Telecom (KIX) 20115 1556 1535 639 Charter Communications 7545 1441 298 78 TPG Internet Pty Ltd 6478 1413 285 80 AT&T Worldnet Services 7018 1408 5699 904 AT&T WorldNet Services 4755 1383 383 156 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 2653 2250 Time Warner Telecom 1785 1803 1670 AppliedTheory Corporation 19262 1839 1556 Verizon Global Networks 7545 1441 1363 TPG Internet Pty Ltd 6478 1413 1333 AT&T Worldnet Services 17974 1316 1289 PT TELEKOMUNIKASI INDONESIA 17488 1368 1247 Hathway IP Over Cable Interne 4755 1383 1227 Videsh Sanchar Nigam Ltd. Aut 4766 1718 1202 Korea Telecom (KIX) 11492 1260 1198 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 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 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<< 46.22.128.0/20 39122 Blacknight Internet Solutions 46.142.0.0/16 25295 KielNET Gesellschaft fuer Kom 46.162.64.0/18 29518 Labs2 46.182.120.0/22 16265 LeaseWeb AS Macro
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 /12:209 /13:426 /14:754 /15:1359 /16:11438 /17:5728 /18:9500 /19:19016 /20:24441 /21:24458 /22:32143 /23:31098 /24:178184 /25:340 /26:375 /27:196 /28:372 /29:299 /30:651 /31:14 /32:616
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2309 3741 bellsouth.net, inc. 4323 1431 2653 Time Warner Telecom 6478 1371 1413 AT&T Worldnet Services 10620 1231 1339 TVCABLE BOGOTA 11492 1217 1260 Cable One 1785 1077 1803 AppliedTheory Corporation 18566 1073 1092 Covad Communications 7011 1060 1161 Citizens Utilities 8452 985 1122 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 2:39 4:17 8:318 12:2027 13:6 14:69 15:17 16:3 17:8 20:9 24:1438 27:453 31:1 32:146 33:8 34:2 36:1 38:718 40:101 41:2664 42:1 44:3 46:299 47:10 49:30 50:13 52:12 55:5 56:2 57:41 58:854 59:502 60:499 61:1140 62:1024 63:1949 64:3739 65:2332 66:4118 67:1825 68:1149 69:2899 70:757 71:384 72:1964 73:2 74:2333 75:296 76:328 77:883 78:682 79:447 80:1055 81:793 82:531 83:453 84:682 85:1045 86:488 87:731 88:390 89:1600 90:121 91:3249 92:460 93:1024 94:1144 95:725 96:403 97:241 98:700 99:33 101:3 107:2 108:69 109:792 110:424 111:661 112:304 113:324 114:472 115:635 116:1124 117:660 118:573 119:994 120:160 121:679 122:1586 123:966 124:1238 125:1273 128:229 129:153 130:172 131:556 132:235 133:20 134:209 135:46 136:210 137:146 138:288 139:127 140:474 141:195 142:350 143:514 144:484 145:55 146:430 147:181 148:640 149:320 150:150 151:231 152:294 153:175 154:3 155:365 156:167 157:315 158:122 159:366 160:311 161:199 162:276 163:165 164:434 165:350 166:465 167:429 168:704 169:155 170:712 171:67 172:2 173:1124 174:449 175:254 176:1 178:637 180:708 182:522 183:243 184:202 186:854 187:746 188:860 189:1025 190:4231 192:5809 193:4832 194:3523 195:3030 196:1224 197:1 198:3542 199:3663 200:5458 201:1576 202:8360 203:8331 204:4054 205:2355 206:2583 207:2987 208:3892 209:3464 210:2553 211:1316 212:1878 213:1764 214:682 215:62 216:4766 217:1619 218:570 219:399 220:1227 221:424 222:342 223:76
End of report
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