Orbit

Routing Table Report 08:00 +10GMT Fri 26 Nov, 2010

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

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

BGP routing table entries examined: 331644 Prefixes after maximum aggregation: 151094 Deaggregation factor: 2.19 Unique aggregates announced to Internet: 164943 Total ASes present in the Internet Routing Table: 35172 Prefixes per ASN: 9.43 Origin-only ASes present in the Internet Routing Table: 30412 Origin ASes announcing only one prefix: 14907 Transit ASes present in the Internet Routing Table: 4760 Transit-only ASes present in the Internet Routing Table: 102 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: 565 Unregistered ASNs in the Routing Table: 211 Number of 32-bit ASNs allocated by the RIRs: 913 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: 189 Number of addresses announced to Internet: 2512764416 Equivalent to 149 /8s, 197 /16s and 190 /24s Percentage of available address space announced: 67.8 Percentage of allocated address space announced: 71.3 Percentage of available address space allocated: 95.0 Percentage of address space in use by end-sites: 86.1 Total number of prefixes smaller than registry allocations: 134813

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

Prefixes being announced by APNIC Region ASes: 79463 Total APNIC prefixes after maximum aggregation: 27104 APNIC Deaggregation factor: 2.93 Prefixes being announced from the APNIC address blocks: 77164 Unique aggregates announced from the APNIC address blocks: 34342 APNIC Region origin ASes present in the Internet Routing Table: 4196 APNIC Prefixes per ASN: 18.39 APNIC Region origin ASes announcing only one prefix: 1208 APNIC Region transit ASes present in the Internet Routing Table: 651 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 571181824 Equivalent to 34 /8s, 11 /16s and 139 /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: 133622 Total ARIN prefixes after maximum aggregation: 68447 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 106528 Unique aggregates announced from the ARIN address blocks: 43784 ARIN Region origin ASes present in the Internet Routing Table: 13950 ARIN Prefixes per ASN: 7.64 ARIN Region origin ASes announcing only one prefix: 5360 ARIN Region transit ASes present in the Internet Routing Table: 1395 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 741190912 Equivalent to 44 /8s, 45 /16s and 173 /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: 78600 Total RIPE prefixes after maximum aggregation: 44969 RIPE Deaggregation factor: 1.75 Prefixes being announced from the RIPE address blocks: 72089 Unique aggregates announced from the RIPE address blocks: 46596 RIPE Region origin ASes present in the Internet Routing Table: 15052 RIPE Prefixes per ASN: 4.79 RIPE Region origin ASes announcing only one prefix: 7754 RIPE Region transit ASes present in the Internet Routing Table: 2315 Average RIPE Region AS path length visible: 3.4 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 445853952 Equivalent to 26 /8s, 147 /16s and 49 /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: 30242 Total LACNIC prefixes after maximum aggregation: 7027 LACNIC Deaggregation factor: 4.30 Prefixes being announced from the LACNIC address blocks: 29120 Unique aggregates announced from the LACNIC address blocks: 15265 LACNIC Region origin ASes present in the Internet Routing Table: 1389 LACNIC Prefixes per ASN: 20.96 LACNIC Region origin ASes announcing only one prefix: 447 LACNIC Region transit ASes present in the Internet Routing Table: 240 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 78036480 Equivalent to 4 /8s, 166 /16s and 190 /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: 7666 Total AfriNIC prefixes after maximum aggregation: 1885 AfriNIC Deaggregation factor: 4.07 Prefixes being announced from the AfriNIC address blocks: 5945 Unique aggregates announced from the AfriNIC address blocks: 1787 AfriNIC Region origin ASes present in the Internet Routing Table: 419 AfriNIC Prefixes per ASN: 14.19 AfriNIC Region origin ASes announcing only one prefix: 138 AfriNIC Region transit ASes present in the Internet Routing Table: 91 Average AfriNIC Region AS path length visible: 3.3 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 21484544 Equivalent to 1 /8s, 71 /16s and 212 /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 1724 9470 518 Korea Telecom (KIX) 7545 1440 298 78 TPG Internet Pty Ltd 4755 1384 639 157 TATA Communications formerly 17488 1368 157 121 Hathway IP Over Cable Interne 17974 1317 427 28 PT TELEKOMUNIKASI INDONESIA 9583 1035 75 487 Sify Limited 24560 1030 309 166 Bharti Airtel Ltd., Telemedia 18101 908 116 141 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 3743 3890 274 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 1417 5708 912 AT&T WorldNet Services 6478 1410 285 82 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 416 202 13 Kazakhtelecom Data Network Ad 702 404 1868 318 UUNET - Commercial IP service 8551 402 355 38 Bezeq International 34984 401 92 192 BILISIM TELEKOM 3301 382 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 1335 249 158 TVCABLE BOGOTA 8151 1214 2606 360 UniNet S.A. de C.V. 28573 1156 930 83 NET Servicos de Comunicao S.A 6503 1139 354 73 AVANTEL, S.A. 7303 801 440 94 Telecom Argentina Stet-France 14420 579 49 78 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 154 440 89 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 3743 3890 274 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 518 Korea Telecom (KIX) 20115 1512 1532 640 Charter Communications 7545 1440 298 78 TPG Internet Pty Ltd 7018 1417 5708 912 AT&T WorldNet Services 6478 1410 285 82 AT&T Worldnet Services 4755 1384 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 1440 1362 TPG Internet Pty Ltd 6478 1410 1328 AT&T Worldnet Services 17974 1317 1289 PT TELEKOMUNIKASI INDONESIA 17488 1368 1247 Hathway IP Over Cable Interne 4755 1384 1227 TATA Communications formerly 4766 1724 1206 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<< 46.142.0.0/16 25295 Autonomous System of KielNET 46.182.88.0/24 3269 TELECOM ITALIA 46.182.92.0/22 8928 Interoute Telecommunications 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/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 /13:424 /14:748 /15:1332 /16:11293 /17:5460 /18:9171 /19:18593 /20:23743 /21:23955 /22:31456 /23:30273 /24:174404 /25:11 /26:19 /27:27 /28:153 /29:96 /30:36 /31:0 /32:104

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

ASN No of nets Total ann. Description 6389 2310 3743 bellsouth.net, inc. 4323 1430 2646 Time Warner Telecom 6478 1368 1410 AT&T Worldnet Services 10620 1227 1335 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) ----------------------------------------------

1:100 2:29 4:13 8:316 12:2023 13:6 14:53 15:17 16:3 17:8 20:9 24:1416 27:460 31:1 32:57 33:8 34:2 36:1 38:713 40:101 41:2648 42:1 44:3 46:293 47:10 49:24 50:13 52:12 55:4 56:2 57:27 58:756 59:498 60:496 61:1006 62:1011 63:1941 64:3690 65:2327 66:4075 67:1793 68:996 69:2808 70:718 71:382 72:1919 74:2278 75:285 76:320 77:869 78:681 79:436 80:1042 81:789 82:512 83:439 84:626 85:1021 86:485 87:710 88:382 89:1584 90:120 91:3218 92:453 93:1006 94:1128 95:660 96:399 97:241 98:678 99:33 101:3 107:2 108:69 109:777 110:423 111:644 112:298 113:315 114:450 115:627 116:1123 117:650 118:567 119:996 120:159 121:691 122:1526 123:962 124:1221 125:1244 128:175 129:145 130:165 131:553 132:228 133:20 134:199 135:46 136:208 137:143 138:286 139:107 140:452 141:195 142:333 143:509 144:478 145:54 146:423 147:169 148:621 149:318 150:150 151:231 152:291 153:175 154:2 155:364 156:163 157:360 158:122 159:365 160:311 161:190 162:275 163:155 164:434 165:329 166:465 167:429 168:690 169:149 170:712 171:67 172:2 173:1109 174:443 175:253 176:1 178:637 180:697 182:492 183:242 184:185 186:857 187:745 188:860 189:1025 190:4206 192:5723 193:4788 194:3458 195:2845 196:1217 197:1 198:3462 199:3622 200:5425 201:1573 202:7970 203:8229 204:3977 205:2329 206:2429 207:2906 208:3871 209:3429 210:2489 211:1282 212:1824 213:1722 214:682 215:62 216:4717 217:1603 218:485 219:396 220:1181 221:378 222:313 223:75

End of report