Orbit

Routing Table Report 08:00 +10GMT Mon 29 Nov, 2010

Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/

Analysis Summary ----------------

BGP routing table entries examined: 331457 Prefixes after maximum aggregation: 151155 Deaggregation factor: 2.19 Unique aggregates announced to Internet: 164990 Total ASes present in the Internet Routing Table: 35182 Prefixes per ASN: 9.42 Origin-only ASes present in the Internet Routing Table: 30436 Origin ASes announcing only one prefix: 14904 Transit ASes present in the Internet Routing Table: 4746 Transit-only ASes present in the Internet Routing Table: 104 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 25 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 586 Unregistered ASNs in the Routing Table: 219 Number of 32-bit ASNs allocated by the RIRs: 923 Prefixes from 32-bit ASNs in the Routing Table: 1370 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 181 Number of addresses announced to Internet: 2513513216 Equivalent to 149 /8s, 209 /16s and 43 /24s Percentage of available address space announced: 67.8 Percentage of allocated address space announced: 71.4 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: 134650

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

Prefixes being announced by APNIC Region ASes: 79476 Total APNIC prefixes after maximum aggregation: 27139 APNIC Deaggregation factor: 2.93 Prefixes being announced from the APNIC address blocks: 77158 Unique aggregates announced from the APNIC address blocks: 34352 APNIC Region origin ASes present in the Internet Routing Table: 4195 APNIC Prefixes per ASN: 18.39 APNIC Region origin ASes announcing only one prefix: 1205 APNIC Region transit ASes present in the Internet Routing Table: 648 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 571701504 Equivalent to 34 /8s, 19 /16s and 121 /24s Percentage of available APNIC address space announced: 77.4

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: 133526 Total ARIN prefixes after maximum aggregation: 68405 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 106433 Unique aggregates announced from the ARIN address blocks: 43774 ARIN Region origin ASes present in the Internet Routing Table: 13948 ARIN Prefixes per ASN: 7.63 ARIN Region origin ASes announcing only one prefix: 5359 ARIN Region transit ASes present in the Internet Routing Table: 1396 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 741267968 Equivalent to 44 /8s, 46 /16s and 218 /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: 78662 Total RIPE prefixes after maximum aggregation: 45045 RIPE Deaggregation factor: 1.75 Prefixes being announced from the RIPE address blocks: 72230 Unique aggregates announced from the RIPE address blocks: 46683 RIPE Region origin ASes present in the Internet Routing Table: 15066 RIPE Prefixes per ASN: 4.79 RIPE Region origin ASes announcing only one prefix: 7757 RIPE Region transit ASes present in the Internet Routing Table: 2306 Average RIPE Region AS path length visible: 3.4 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 446142976 Equivalent to 26 /8s, 151 /16s and 154 /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: 30120 Total LACNIC prefixes after maximum aggregation: 7028 LACNIC Deaggregation factor: 4.29 Prefixes being announced from the LACNIC address blocks: 29011 Unique aggregates announced from the LACNIC address blocks: 15264 LACNIC Region origin ASes present in the Internet Routing Table: 1389 LACNIC Prefixes per ASN: 20.89 LACNIC Region origin ASes announcing only one prefix: 448 LACNIC Region transit ASes present in the Internet Routing Table: 239 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 78008320 Equivalent to 4 /8s, 166 /16s and 80 /24s Percentage of available LACNIC address space announced: 58.1

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: 7639 Total AfriNIC prefixes after maximum aggregation: 1892 AfriNIC Deaggregation factor: 4.04 Prefixes being announced from the AfriNIC address blocks: 5880 Unique aggregates announced from the AfriNIC address blocks: 1750 AfriNIC Region origin ASes present in the Internet Routing Table: 416 AfriNIC Prefixes per ASN: 14.13 AfriNIC Region origin ASes announcing only one prefix: 135 AfriNIC Region transit ASes present in the Internet Routing Table: 90 Average AfriNIC Region AS path length visible: 3.4 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 21465856 Equivalent to 1 /8s, 71 /16s and 139 /24s Percentage of available AfriNIC address space announced: 42.6

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 1724 9470 519 Korea Telecom (KIX) 7545 1441 298 78 TPG Internet Pty Ltd 4755 1385 639 157 TATA Communications formerly 17488 1368 157 121 Hathway IP Over Cable Interne 17974 1311 427 27 PT TELEKOMUNIKASI INDONESIA 9583 1035 75 487 Sify Limited 24560 1030 309 166 Bharti Airtel Ltd., Telemedia 18101 909 116 141 Reliance Infocom Ltd Internet 4808 888 1621 246 CNCGROUP IP network: China169 9829 836 696 31 BSNL National Internet Backbo

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

ARIN Region per AS prefix count summary ---------------------------------------

ASN No of nets /20 equiv MaxAgg Description 6389 3742 3889 276 bellsouth.net, inc. 4323 2646 1093 400 Time Warner Telecom 19262 1838 4852 282 Verizon Global Networks 1785 1806 697 132 PaeTec Communications, Inc. 20115 1512 1532 640 Charter Communications 7018 1418 5708 912 AT&T WorldNet Services 6478 1413 285 80 AT&T Worldnet Services 2386 1313 572 931 AT&T Data Communications Serv 11492 1260 233 62 Cable One 22773 1253 2863 71 Cox Communications, Inc.

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

RIPE Region per AS prefix count summary ---------------------------------------

ASN No of nets /20 equiv MaxAgg Description 9116 538 328 32 Goldenlines main autonomous s 3292 445 2010 387 TDC Tele Danmark 8866 438 134 24 Bulgarian Telecommunication C 9198 419 202 13 Kazakhtelecom Data Network Ad 34984 405 92 192 BILISIM TELEKOM 702 404 1868 318 UUNET - Commercial IP service 8551 403 355 38 Bezeq International 3301 383 1696 336 TeliaNet Sweden 12479 382 576 5 Uni2 Autonomous System 3320 381 7317 334 Deutsche Telekom AG

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

LACNIC Region per AS prefix count summary -----------------------------------------

ASN No of nets /20 equiv MaxAgg Description 10620 1343 250 155 TVCABLE BOGOTA 8151 1209 2606 360 UniNet S.A. de C.V. 28573 1170 932 79 NET Servicos de Comunicao S.A 6503 1157 355 81 AVANTEL, S.A. 7303 801 440 94 Telecom Argentina Stet-France 14420 575 49 83 ANDINATEL S.A. 22047 564 310 15 VTR PUNTO NET S.A. 3816 489 214 97 Empresa Nacional de Telecomun 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/london/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary ------------------------------------------

ASN No of nets /20 equiv MaxAgg Description 8452 1122 445 10 TEDATA 24863 739 147 37 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 Tertiary Education Network 33776 195 12 14 Starcomms Nigeria Limited 16637 145 423 88 MTN Network Solutions

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

Global Per AS prefix count summary ----------------------------------

ASN No of nets /20 equiv MaxAgg Description 6389 3742 3889 276 bellsouth.net, inc. 4323 2646 1093 400 Time Warner Telecom 19262 1838 4852 282 Verizon Global Networks 1785 1806 697 132 PaeTec Communications, Inc. 4766 1724 9470 519 Korea Telecom (KIX) 20115 1512 1532 640 Charter Communications 7545 1441 298 78 TPG Internet Pty Ltd 7018 1418 5708 912 AT&T WorldNet Services 6478 1413 285 80 AT&T Worldnet Services 4755 1385 639 157 TATA Communications formerly

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

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

ASN No of nets Net Savings Description 4323 2646 2246 Time Warner Telecom 1785 1806 1674 PaeTec Communications, Inc. 19262 1838 1556 Verizon Global Networks 7545 1441 1363 TPG Internet Pty Ltd 6478 1413 1333 AT&T Worldnet Services 17974 1311 1284 PT TELEKOMUNIKASI INDONESIA 17488 1368 1247 Hathway IP Over Cable Interne 4755 1385 1228 TATA Communications formerly 4766 1724 1205 Korea Telecom (KIX) 11492 1260 1198 Cable One

Complete listing at http://thyme.rand.apnic.net/london/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/london/data-badAS

Prefixes from private and non-routed address space (Global) -----------------------------------------------------------

Prefix Origin AS Description 10.0.0.0/8 65333 Internet Assigned Numbers Aut 169.254.0.0/16 65333 Internet Assigned Numbers Aut 172.16.0.0/12 65333 Internet Assigned Numbers Aut 192.0.2.0/24 65333 Internet Assigned Numbers Aut 192.168.0.0/16 0 * 198.18.0.0/15 65333 Internet Assigned Numbers Aut

Complete listing at http://thyme.rand.apnic.net/london/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 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 64.21.192.0/20 11610 Internet Nebraska Corporation 64.21.212.0/22 11610 Internet Nebraska Corporation 64.21.216.0/21 11610 Internet Nebraska Corporation

Complete listing at http://thyme.rand.apnic.net/london/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 /8:32 /9:10 /10:25 /11:70 /12:209 /13:425 /14:748 /15:1332 /16:11295 /17:5470 /18:9162 /19:18581 /20:23757 /21:23930 /22:31514 /23:30255 /24:174213 /25:11 /26:19 /27:27 /28:149 /29:91 /30:34 /31:0 /32:98

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

ASN No of nets Total ann. Description 6389 2309 3742 bellsouth.net, inc. 4323 1430 2646 Time Warner Telecom 6478 1371 1413 AT&T Worldnet Services 10620 1235 1343 TVCABLE BOGOTA 11492 1217 1260 Cable One 1785 1078 1806 PaeTec Communications, Inc. 7011 1060 1161 Citizens Utilities 18566 1044 1063 Covad Communications 8452 985 1122 TEDATA 19262 958 1838 Verizon Global Networks

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

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

1:101 2:26 4:13 8:315 12:2023 13:6 14:59 15:17 16:3 17:8 20:9 24:1416 27:447 31:1 32:57 33:8 34:2 36:1 38:713 40:101 41:2604 42:1 44:3 46:306 47:10 49:30 50:13 52:12 55:5 56:2 57:28 58:757 59:497 60:497 61:1006 62:1013 63:1938 64:3689 65:2290 66:4074 67:1794 68:997 69:2806 70:718 71:382 72:1888 74:2278 75:285 76:320 77:866 78:681 79:437 80:1043 81:794 82:511 83:442 84:627 85:1020 86:486 87:711 88:381 89:1582 90:121 91:3237 92:454 93:1007 94:1098 95:693 96:398 97:241 98:688 99:33 101:3 107:2 108:69 109:772 110:425 111:643 112:299 113:319 114:450 115:631 116:1125 117:652 118:566 119:1000 120:157 121:692 122:1533 123:960 124:1221 125:1244 128:176 129:145 130:165 131:552 132:228 133:20 134:198 135:46 136:208 137:136 138:287 139:107 140:453 141:195 142:333 143:511 144:478 145:54 146:423 147:169 148:617 149:318 150:150 151:231 152:291 153:175 154:2 155:365 156:164 157:316 158:122 159:364 160:311 161:190 162:275 163:155 164:434 165:329 166:467 167:428 168:688 169:149 170:714 171:67 172:2 173:1111 174:442 175:252 176:1 178:643 180:697 182:493 183:240 184:185 186:856 187:743 188:863 189:1020 190:4216 192:5721 193:4787 194:3458 195:2860 196:1207 197:1 198:3461 199:3621 200:5401 201:1514 202:7996 203:8222 204:3979 205:2322 206:2429 207:2904 208:3875 209:3399 210:2491 211:1282 212:1821 213:1716 214:680 215:62 216:4710 217:1613 218:486 219:393 220:1183 221:378 222:313 223:75

End of report