Orbit

Routing Table Report 00:00 GMT Thu 27 Oct, 2011

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: 383044 Prefixes after maximum aggregation: 167311 Deaggregation factor: 2.29 Unique aggregates announced to Internet: 185669 Total ASes present in the Internet Routing Table: 39171 Prefixes per ASN: 9.78 Origin-only ASes present in the Internet Routing Table: 32452 Origin ASes announcing only one prefix: 15518 Transit ASes present in the Internet Routing Table: 5157 Transit-only ASes present in the Internet Routing Table: 133 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 28 Max AS path prepend of ASN (36992) 22 Prefixes from unregistered ASNs in the Routing Table: 5145 Unregistered ASNs in the Routing Table: 850 Number of 32-bit ASNs allocated by the RIRs: 1897 Number of 32-bit ASNs visible in the Routing Table: 1562 Prefixes from 32-bit ASNs in the Routing Table: 3588 Special use prefixes present in the Routing Table: 82 Prefixes being announced from unallocated address space: 87 Number of addresses announced to Internet: 2488599562 Equivalent to 148 /8s, 85 /16s and 4 /24s Percentage of available address space announced: 67.1 Percentage of allocated address space announced: 67.1 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 91.5 Total number of prefixes smaller than registry allocations: 161287

APNIC Region Analysis Summary -----------------------------

Prefixes being announced by APNIC Region ASes: 91339 Total APNIC prefixes after maximum aggregation: 29790 APNIC Deaggregation factor: 3.07 Prefixes being announced from the APNIC address blocks: 87892 Unique aggregates announced from the APNIC address blocks: 37667 APNIC Region origin ASes present in the Internet Routing Table: 4558 APNIC Prefixes per ASN: 19.28 APNIC Region origin ASes announcing only one prefix: 1270 APNIC Region transit ASes present in the Internet Routing Table: 701 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 97 Number of APNIC addresses announced to Internet: 628824576 Equivalent to 37 /8s, 123 /16s and 26 /24s Percentage of available APNIC address space announced: 79.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 131072-132095, 132096-133119 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 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: 148428 Total ARIN prefixes after maximum aggregation: 76599 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 120085 Unique aggregates announced from the ARIN address blocks: 48129 ARIN Region origin ASes present in the Internet Routing Table: 14757 ARIN Prefixes per ASN: 8.14 ARIN Region origin ASes announcing only one prefix: 5662 ARIN Region transit ASes present in the Internet Routing Table: 1521 Average ARIN Region AS path length visible: 3.6 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 12 Number of ARIN addresses announced to Internet: 804761368 Equivalent to 47 /8s, 247 /16s and 175 /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, 23/8, 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, 53/8, 54/8, 55/8, 56/8, 57/8, 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, 100/8, 104/8, 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: 94975 Total RIPE prefixes after maximum aggregation: 50892 RIPE Deaggregation factor: 1.87 Prefixes being announced from the RIPE address blocks: 86735 Unique aggregates announced from the RIPE address blocks: 54271 RIPE Region origin ASes present in the Internet Routing Table: 16080 RIPE Prefixes per ASN: 5.39 RIPE Region origin ASes announcing only one prefix: 7977 RIPE Region transit ASes present in the Internet Routing Table: 2486 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1095 Number of RIPE addresses announced to Internet: 491487428 Equivalent to 29 /8s, 75 /16s and 128 /24s Percentage of available RIPE address space announced: 79.2

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, 56320-58367 196608-198655 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 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, 185/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary ------------------------------

Prefixes being announced by LACNIC Region ASes: 35980 Total LACNIC prefixes after maximum aggregation: 7926 LACNIC Deaggregation factor: 4.54 Prefixes being announced from the LACNIC address blocks: 35335 Unique aggregates announced from the LACNIC address blocks: 18108 LACNIC Region origin ASes present in the Internet Routing Table: 1542 LACNIC Prefixes per ASN: 22.92 LACNIC Region origin ASes announcing only one prefix: 453 LACNIC Region transit ASes present in the Internet Routing Table: 273 Average LACNIC Region AS path length visible: 4.3 Max LACNIC Region AS path length visible: 20 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 354 Number of LACNIC addresses announced to Internet: 92301832 Equivalent to 5 /8s, 128 /16s and 106 /24s Percentage of available LACNIC address space announced: 61.1

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 179/8, 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: 8543 Total AfriNIC prefixes after maximum aggregation: 2026 AfriNIC Deaggregation factor: 4.22 Prefixes being announced from the AfriNIC address blocks: 6605 Unique aggregates announced from the AfriNIC address blocks: 1989 AfriNIC Region origin ASes present in the Internet Routing Table: 493 AfriNIC Prefixes per ASN: 13.40 AfriNIC Region origin ASes announcing only one prefix: 156 AfriNIC Region transit ASes present in the Internet Routing Table: 112 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4 Number of AfriNIC addresses announced to Internet: 27903488 Equivalent to 1 /8s, 169 /16s and 198 /24s Percentage of available AfriNIC address space announced: 41.6

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary ----------------------------------------

ASN No of nets /20 equiv MaxAgg Description 4766 1942 11104 659 Korea Telecom (KIX) 17974 1913 519 33 PT TELEKOMUNIKASI INDONESIA 7545 1609 303 85 TPG Internet Pty Ltd 4755 1538 637 173 Videsh Sanchar Nigam Ltd. Aut 9829 1163 989 28 BSNL National Internet Backbo 9583 1091 80 499 Sify Limited 4808 1068 2087 306 CNCGROUP IP network: China169 7552 984 1062 11 Vietel Corporation 24560 964 342 218 Bharti Airtel Ltd. 18101 952 166 150 Reliance Infocom Ltd Internet

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 3543 3814 220 bellsouth.net, inc. 7029 2366 1042 210 Windstream Communications Inc 18566 2097 383 177 Covad Communications 1785 1841 680 123 AppliedTheory Corporation 4323 1624 1094 389 Time Warner Telecom 20115 1594 1546 619 Charter Communications 22773 1464 2907 100 Cox Communications, Inc. 19262 1395 4728 400 Verizon Global Networks 30036 1389 252 669 Mediacom Communications Corp 7018 1318 7047 863 AT&T WorldNet Services

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 3352 2187 2317 51 Internet Access Network of TD 8402 1509 352 13 Corbina telecom 286 1085 809 196 KPNQwest Backbone AS 6830 654 1927 415 UPC Distribution Services 34984 590 108 180 Tellcom Iletisim Hizmetleri 20940 556 186 427 Akamai Technologies European 9116 540 326 31 Goldenlines main autonomous s 3292 532 2074 407 TDC Tele Danmark 3320 503 8169 383 Deutsche Telekom AG 12479 481 595 8 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 10620 1694 313 155 TVCABLE BOGOTA 8151 1459 2910 348 Uninet S.A. de C.V. 28573 1459 1032 69 Types of queries are: POCs, o 7303 1221 747 177 Telecom Argentina Stet-France 27947 602 72 85 Telconet S.A 6503 581 450 71 AVANTEL, S.A. 22047 580 322 17 Types of queries are: POCs, o 7738 552 1050 31 Telecomunicacoes da Bahia S.A 10481 548 430 20 Prima S.A. 3816 542 233 95 COLOMBIA TELECOMUNICACIONES S

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 24863 800 146 34 LINKdotNET AS number 8452 640 446 12 TEDATA 15475 455 74 8 Nile Online 36992 296 415 20 Etisalat MISR 3741 280 939 229 The Internet Solution 6713 244 519 14 Itissalat Al-MAGHRIB 15706 240 32 6 Sudatel Internet Exchange Aut 29571 218 17 13 Ci Telecom Autonomous system 33776 209 13 14 Starcomms Nigeria Limited 12258 197 28 58 YEBO-AS

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 3543 3814 220 bellsouth.net, inc. 7029 2366 1042 210 Windstream Communications Inc 3352 2187 2317 51 Internet Access Network of TD 18566 2097 383 177 Covad Communications 4766 1942 11104 659 Korea Telecom (KIX) 17974 1913 519 33 PT TELEKOMUNIKASI INDONESIA 1785 1841 680 123 AppliedTheory Corporation 10620 1694 313 155 TVCABLE BOGOTA 4323 1624 1094 389 Time Warner Telecom 7545 1609 303 85 TPG Internet Pty Ltd

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet

Global Per AS Maximum Aggr summary ----------------------------------

ASN No of nets Net Savings Description 7029 2366 2156 Windstream Communications Inc 3352 2187 2136 Internet Access Network of TD 18566 2097 1920 Covad Communications 17974 1913 1880 PT TELEKOMUNIKASI INDONESIA 1785 1841 1718 AppliedTheory Corporation 10620 1694 1539 TVCABLE BOGOTA 7545 1609 1524 TPG Internet Pty Ltd 8402 1509 1496 Corbina telecom 28573 1459 1390 Types of queries are: POCs, o 4755 1538 1365 Videsh Sanchar Nigam Ltd. Aut

Complete listing at http://thyme.rand.apnic.net/rviews/data-CIDRnet

List of Unregistered Origin ASNs (Global) -----------------------------------------

Bad AS Designation Network Transit AS Description 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic 13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic 23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic 17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic 17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies, 16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic 32873 UNALLOCATED 12.46.100.0/23 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 10.29.244.56/29 286 KPNQwest Backbone AS 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 10.29.245.19/32 286 KPNQwest Backbone AS 10.29.245.20/32 286 KPNQwest Backbone AS 10.29.245.21/32 286 KPNQwest Backbone AS 10.29.245.22/32 286 KPNQwest Backbone AS 10.29.245.25/32 286 KPNQwest Backbone AS 10.29.245.26/32 286 KPNQwest Backbone AS

Complete listing at http://thyme.rand.apnic.net/rviews/data-dsua

Advertised Unallocated Addresses --------------------------------

Network Origin AS Description 24.225.128.0/18 36377 Comcast Telecommunications, I 24.225.192.0/23 36377 Comcast Telecommunications, I 24.225.192.0/18 36377 Comcast Telecommunications, I 24.225.224.0/21 36377 Comcast Telecommunications, I 24.225.237.0/24 36377 Comcast Telecommunications, I 24.225.248.0/21 36377 Comcast Telecommunications, I 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 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 /8:20 /9:12 /10:27 /11:81 /12:236 /13:465 /14:812 /15:1458 /16:12140 /17:6325 /18:10392 /19:20468 /20:28529 /21:28034 /22:37581 /23:36343 /24:198438 /25:67 /26:85 /27:115 /28:282 /29:111 /30:488 /31:53 /32:482

Advertised prefixes smaller than registry allocations -----------------------------------------------------

ASN No of nets Total ann. Description 6389 2183 3543 bellsouth.net, inc. 18566 2046 2097 Covad Communications 7029 2019 2366 Windstream Communications Inc 3352 1736 2187 Internet Access Network of TD 10620 1589 1694 TVCABLE BOGOTA 8402 1486 1509 Corbina telecom 30036 1350 1389 Mediacom Communications Corp 11492 1111 1149 Cable One 1785 1056 1841 AppliedTheory Corporation 7011 1050 1168 Citizens Utilities

Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos

Number of /24s announced per /8 block (Global) ----------------------------------------------

1:412 2:486 4:19 5:1 6:3 7:1 8:362 12:1960 13:1 14:541 15:11 16:3 17:7 20:9 23:59 24:1678 27:963 31:616 32:150 33:4 34:2 36:4 38:758 39:1 40:110 41:2671 42:54 44:3 46:1011 47:3 49:292 50:440 52:13 55:6 56:2 57:50 58:896 59:492 60:364 61:1177 62:1093 63:1978 64:4078 65:2311 66:4310 67:2019 68:1331 69:3299 70:940 71:380 72:1832 73:1 74:2631 75:404 76:328 77:886 78:873 79:458 80:1586 81:958 82:514 83:581 84:628 85:1127 86:408 87:896 88:425 89:1620 90:238 91:4241 92:532 93:1544 94:1314 95:1094 96:439 97:284 98:931 99:37 101:219 103:404 106:70 107:77 108:76 109:1055 110:646 111:790 112:332 113:486 114:615 115:645 116:831 117:699 118:902 119:1123 120:339 121:713 122:1555 123:1020 124:1345 125:1313 128:244 129:188 130:166 131:593 132:146 133:21 134:220 135:54 136:213 137:139 138:284 139:136 140:488 141:300 142:394 143:423 144:493 145:64 146:475 147:233 148:693 149:267 150:166 151:192 152:447 153:178 154:7 155:388 156:208 157:364 158:153 159:482 160:329 161:214 162:341 163:174 164:510 165:388 166:537 167:437 168:742 169:147 170:872 171:86 172:4 173:1729 174:675 175:394 176:293 177:358 178:1081 180:1105 181:36 182:658 183:217 184:378 185:1 186:1302 187:699 188:945 189:867 190:5129 192:5956 193:5058 194:3585 195:3129 196:1263 197:162 198:3635 199:4178 200:5528 201:1689 202:8297 203:8396 204:4301 205:2368 206:2694 207:2824 208:4021 209:3599 210:2730 211:1465 212:2139 213:1813 214:791 215:96 216:4934 217:1616 218:566 219:344 220:1222 221:516 222:346 223:271

End of report