Orbit

Routing Table Report 08:00 +10GMT Fri 03 Dec, 2010

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

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

BGP routing table entries examined: 332143 Prefixes after maximum aggregation: 151352 Deaggregation factor: 2.19 Unique aggregates announced to Internet: 165251 Total ASes present in the Internet Routing Table: 35234 Prefixes per ASN: 9.43 Origin-only ASes present in the Internet Routing Table: 30473 Origin ASes announcing only one prefix: 14918 Transit ASes present in the Internet Routing Table: 4761 Transit-only ASes present in the Internet Routing Table: 107 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: 673 Unregistered ASNs in the Routing Table: 257 Number of 32-bit ASNs allocated by the RIRs: 926 Prefixes from 32-bit ASNs in the Routing Table: 1401 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 191 Number of addresses announced to Internet: 2450267648 Equivalent to 146 /8s, 12 /16s and 30 /24s Percentage of available address space announced: 66.1 Percentage of allocated address space announced: 68.3 Percentage of available address space allocated: 96.8 Percentage of address space in use by end-sites: 86.4 Total number of prefixes smaller than registry allocations: 134969

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

Prefixes being announced by APNIC Region ASes: 79711 Total APNIC prefixes after maximum aggregation: 27177 APNIC Deaggregation factor: 2.93 Prefixes being announced from the APNIC address blocks: 77411 Unique aggregates announced from the APNIC address blocks: 34403 APNIC Region origin ASes present in the Internet Routing Table: 4200 APNIC Prefixes per ASN: 18.43 APNIC Region origin ASes announcing only one prefix: 1212 APNIC Region transit ASes present in the Internet Routing Table: 649 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 573408256 Equivalent to 34 /8s, 45 /16s and 132 /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: 133572 Total ARIN prefixes after maximum aggregation: 68427 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 106471 Unique aggregates announced from the ARIN address blocks: 43778 ARIN Region origin ASes present in the Internet Routing Table: 13964 ARIN Prefixes per ASN: 7.62 ARIN Region origin ASes announcing only one prefix: 5364 ARIN Region transit ASes present in the Internet Routing Table: 1402 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 741341440 Equivalent to 44 /8s, 47 /16s and 249 /24s Percentage of available ARIN address space announced: 62.2

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, 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, 100/8, 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: 78883 Total RIPE prefixes after maximum aggregation: 45139 RIPE Deaggregation factor: 1.75 Prefixes being announced from the RIPE address blocks: 72412 Unique aggregates announced from the RIPE address blocks: 46803 RIPE Region origin ASes present in the Internet Routing Table: 15084 RIPE Prefixes per ASN: 4.80 RIPE Region origin ASes announcing only one prefix: 7759 RIPE Region transit ASes present in the Internet Routing Table: 2318 Average RIPE Region AS path length visible: 3.4 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 448182016 Equivalent to 26 /8s, 182 /16s and 183 /24s Percentage of available RIPE address space announced: 74.2

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, 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, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 30214 Total LACNIC prefixes after maximum aggregation: 7038 LACNIC Deaggregation factor: 4.29 Prefixes being announced from the LACNIC address blocks: 29107 Unique aggregates announced from the LACNIC address blocks: 15308 LACNIC Region origin ASes present in the Internet Routing Table: 1394 LACNIC Prefixes per ASN: 20.88 LACNIC Region origin ASes announcing only one prefix: 447 LACNIC Region transit ASes present in the Internet Routing Table: 234 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 78199552 Equivalent to 4 /8s, 169 /16s and 59 /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: 7684 Total AfriNIC prefixes after maximum aggregation: 1900 AfriNIC Deaggregation factor: 4.04 Prefixes being announced from the AfriNIC address blocks: 5931 Unique aggregates announced from the AfriNIC address blocks: 1748 AfriNIC Region origin ASes present in the Internet Routing Table: 422 AfriNIC Prefixes per ASN: 14.05 AfriNIC Region origin ASes announcing only one prefix: 136 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: 21238272 Equivalent to 1 /8s, 68 /16s and 18 /24s Percentage of available AfriNIC address space announced: 42.2

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 9454 515 Korea Telecom (KIX) 7545 1449 298 78 TPG Internet Pty Ltd 4755 1389 639 157 TATA Communications formerly 17488 1370 157 121 Hathway IP Over Cable Interne 17974 1276 459 27 PT TELEKOMUNIKASI INDONESIA 9583 1036 75 487 Sify Limited 24560 1030 309 166 Bharti Airtel Ltd., Telemedia 18101 906 116 137 Reliance Infocom Ltd Internet 4808 889 1621 248 CNCGROUP IP network: China169 9829 835 696 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 3738 3888 273 bellsouth.net, inc. 4323 2642 1093 400 Time Warner Telecom 19262 1837 4852 282 Verizon Global Networks 1785 1807 697 132 PaeTec Communications, Inc. 20115 1508 1530 636 Charter Communications 6478 1413 285 101 AT&T Worldnet Services 7018 1399 5703 897 AT&T WorldNet Services 2386 1314 572 932 AT&T Data Communications Serv 11492 1268 234 69 Cable One 22773 1256 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 539 328 32 Goldenlines main autonomous s 6830 457 1757 272 UPC Distribution Services 3292 443 2010 385 TDC Tele Danmark 8866 430 133 23 Bulgarian Telecommunication C 9198 419 202 13 Kazakhtelecom Data Network Ad 34984 419 92 191 BILISIM TELEKOM 702 403 1867 317 UUNET - Commercial IP service 8551 403 355 38 Bezeq International 12479 392 577 6 Uni2 Autonomous System 3301 381 1696 336 TeliaNet Sweden

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 1344 250 156 TVCABLE BOGOTA 8151 1213 2606 360 UniNet S.A. de C.V. 28573 1179 933 73 NET Servicos de Comunicao S.A 6503 1160 355 81 AVANTEL, S.A. 7303 801 440 94 Telecom Argentina Stet-France 14420 579 49 87 ANDINATEL S.A. 22047 563 310 15 VTR PUNTO NET S.A. 3816 492 214 98 Empresa Nacional de Telecomun 7738 478 922 30 Telecomunicacoes da Bahia S.A 14117 451 32 30 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 1108 445 10 TEDATA 24863 741 147 37 LINKdotNET AS number 36992 654 278 159 Etisalat MISR 3741 262 858 224 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 163 440 90 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 3738 3888 273 bellsouth.net, inc. 4323 2642 1093 400 Time Warner Telecom 19262 1837 4852 282 Verizon Global Networks 1785 1807 697 132 PaeTec Communications, Inc. 4766 1726 9454 515 Korea Telecom (KIX) 20115 1508 1530 636 Charter Communications 7545 1449 298 78 TPG Internet Pty Ltd 6478 1413 285 101 AT&T Worldnet Services 23456 1401 350 779 32-bit ASN transition 7018 1399 5703 897 AT&T WorldNet Services

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 2642 2242 Time Warner Telecom 1785 1807 1675 PaeTec Communications, Inc. 19262 1837 1555 Verizon Global Networks 7545 1449 1371 TPG Internet Pty Ltd 6478 1413 1312 AT&T Worldnet Services 17488 1370 1249 Hathway IP Over Cable Interne 17974 1276 1249 PT TELEKOMUNIKASI INDONESIA 4755 1389 1232 TATA Communications formerly 4766 1726 1211 Korea Telecom (KIX) 11492 1268 1199 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 5.0.0.0/16 12654 RIPE NCC RIS Project 5.1.0.0/21 12654 RIPE NCC RIS Project 5.1.24.0/24 12654 RIPE NCC RIS Project 37.0.0.0/16 12654 RIPE NCC RIS Project 37.1.0.0/21 12654 RIPE NCC RIS Project 37.1.24.0/24 12654 RIPE NCC RIS Project 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 46.22.240.0/20 42514 RIPE Network Coordination Cen 46.183.24.0/21 44838 RIPE Network Coordination Cen

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 /8:28 /9:10 /10:25 /11:70 /12:211 /13:426 /14:746 /15:1335 /16:11313 /17:5467 /18:9115 /19:18636 /20:23862 /21:23971 /22:31520 /23:30304 /24:174657 /25:11 /26:19 /27:27 /28:153 /29:96 /30:36 /31:0 /32:105

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

ASN No of nets Total ann. Description 6389 2307 3738 bellsouth.net, inc. 4323 1429 2642 Time Warner Telecom 6478 1371 1413 AT&T Worldnet Services 10620 1236 1344 TVCABLE BOGOTA 11492 1225 1268 Cable One 1785 1078 1807 PaeTec Communications, Inc. 7011 1069 1171 Citizens Utilities 18566 1043 1062 Covad Communications 8452 973 1108 TEDATA 19262 957 1837 Verizon Global Networks

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

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

1:104 2:25 4:13 5:1 8:313 12:2026 13:6 14:59 15:17 16:3 17:8 20:10 24:1418 27:462 32:57 33:7 34:2 36:1 37:1 38:707 40:101 41:2627 42:1 44:3 46:309 47:10 49:34 50:15 52:12 55:8 56:2 57:28 58:757 59:499 60:480 61:1008 62:1021 63:1938 64:3690 65:2317 66:4073 67:1739 68:999 69:2814 70:714 71:384 72:1927 74:2279 75:286 76:320 77:875 78:687 79:434 80:1055 81:797 82:512 83:448 84:631 85:1029 86:486 87:713 88:386 89:1582 90:128 91:3257 92:454 93:1018 94:1095 95:685 96:400 97:242 98:691 99:33 101:3 107:2 108:69 109:771 110:421 111:651 112:300 113:316 114:456 115:641 116:1121 117:653 118:569 119:1002 120:193 121:691 122:1531 123:971 124:1215 125:1252 128:176 129:146 130:165 131:562 132:226 133:20 134:199 135:46 136:211 137:139 138:287 139:107 140:456 141:196 142:333 143:488 144:479 145:54 146:414 147:172 148:620 149:326 150:149 151:232 152:291 153:173 154:2 155:366 156:164 157:328 158:124 159:360 160:311 161:190 162:271 163:157 164:434 165:331 166:466 167:422 168:689 169:148 170:713 171:67 172:2 173:1113 174:431 175:257 176:1 178:658 180:698 182:494 183:243 184:187 186:884 187:748 188:871 189:1013 190:4205 192:5726 193:4778 194:3458 195:2876 196:1222 197:1 198:3469 199:3622 200:5429 201:1568 202:8012 203:8237 204:3972 205:2313 206:2425 207:2898 208:3871 209:3428 210:2485 211:1304 212:1795 213:1715 214:682 215:61 216:4731 217:1606 218:496 219:394 220:1183 221:396 222:313 223:75

End of report