Orbit

Routing Table Report 08:00 +10GMT Thu 25 Nov, 2010

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

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

BGP routing table entries examined: 332408 Prefixes after maximum aggregation: 151025 Deaggregation factor: 2.20 Unique aggregates announced to Internet: 164771 Total ASes present in the Internet Routing Table: 35158 Prefixes per ASN: 9.45 Origin-only ASes present in the Internet Routing Table: 30406 Origin ASes announcing only one prefix: 14904 Transit ASes present in the Internet Routing Table: 4752 Transit-only ASes present in the Internet Routing Table: 101 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: 571 Unregistered ASNs in the Routing Table: 214 Number of 32-bit ASNs allocated by the RIRs: 911 Prefixes from 32-bit ASNs in the Routing Table: 1358 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 187 Number of addresses announced to Internet: 2509444864 Equivalent to 149 /8s, 147 /16s and 23 /24s Percentage of available address space announced: 67.7 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: 135659

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

Prefixes being announced by APNIC Region ASes: 79361 Total APNIC prefixes after maximum aggregation: 27093 APNIC Deaggregation factor: 2.93 Prefixes being announced from the APNIC address blocks: 77061 Unique aggregates announced from the APNIC address blocks: 34235 APNIC Region origin ASes present in the Internet Routing Table: 4191 APNIC Prefixes per ASN: 18.39 APNIC Region origin ASes announcing only one prefix: 1207 APNIC Region transit ASes present in the Internet Routing Table: 650 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 568167424 Equivalent to 33 /8s, 221 /16s and 140 /24s Percentage of available APNIC address space announced: 77.0

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: 133598 Total ARIN prefixes after maximum aggregation: 68447 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 106509 Unique aggregates announced from the ARIN address blocks: 43784 ARIN Region origin ASes present in the Internet Routing Table: 13956 ARIN Prefixes per ASN: 7.63 ARIN Region origin ASes announcing only one prefix: 5368 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: 741192192 Equivalent to 44 /8s, 45 /16s and 178 /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: 78613 Total RIPE prefixes after maximum aggregation: 44951 RIPE Deaggregation factor: 1.75 Prefixes being announced from the RIPE address blocks: 72153 Unique aggregates announced from the RIPE address blocks: 46561 RIPE Region origin ASes present in the Internet Routing Table: 15042 RIPE Prefixes per ASN: 4.80 RIPE Region origin ASes announcing only one prefix: 7750 RIPE Region transit ASes present in the Internet Routing Table: 2310 Average RIPE Region AS path length visible: 3.4 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 445700608 Equivalent to 26 /8s, 144 /16s and 218 /24s Percentage of available RIPE address space announced: 78.1

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: 31157 Total LACNIC prefixes after maximum aggregation: 7000 LACNIC Deaggregation factor: 4.45 Prefixes being announced from the LACNIC address blocks: 29994 Unique aggregates announced from the LACNIC address blocks: 15255 LACNIC Region origin ASes present in the Internet Routing Table: 1384 LACNIC Prefixes per ASN: 21.67 LACNIC Region origin ASes announcing only one prefix: 441 LACNIC Region transit ASes present in the Internet Routing Table: 238 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 78024704 Equivalent to 4 /8s, 166 /16s and 144 /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: 7641 Total AfriNIC prefixes after maximum aggregation: 1890 AfriNIC Deaggregation factor: 4.04 Prefixes being announced from the AfriNIC address blocks: 5913 Unique aggregates announced from the AfriNIC address blocks: 1763 AfriNIC Region origin ASes present in the Internet Routing Table: 420 AfriNIC Prefixes per ASN: 14.08 AfriNIC Region origin ASes announcing only one prefix: 138 AfriNIC Region transit ASes present in the Internet Routing Table: 92 Average AfriNIC Region AS path length visible: 3.4 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 21415424 Equivalent to 1 /8s, 70 /16s and 198 /24s Percentage of available AfriNIC address space announced: 42.5

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 1435 298 77 TPG Internet Pty Ltd 4755 1390 639 157 TATA Communications formerly 17488 1365 157 115 Hathway IP Over Cable Interne 17974 1314 427 28 PT TELEKOMUNIKASI INDONESIA 24560 1030 309 166 Bharti Airtel Ltd., Telemedia 9583 1027 75 487 Sify Limited 18101 907 116 141 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 3744 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 1510 1532 638 Charter Communications 7018 1418 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 393 90 191 BILISIM TELEKOM 12479 383 576 5 Uni2 Autonomous System 3301 382 1696 336 TeliaNet Sweden 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 6503 2025 354 73 AVANTEL, S.A. 10620 1335 249 158 TVCABLE BOGOTA 8151 1212 2604 359 UniNet S.A. de C.V. 28573 1151 929 82 NET Servicos de Comunicao S.A 7303 796 439 93 Telecom Argentina Stet-France 14420 571 48 77 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 1111 445 10 TEDATA 24863 738 147 37 LINKdotNET AS number 36992 653 278 161 Etisalat MISR 3741 264 923 226 The Internet Solution 6713 203 199 12 Itissalat Al-MAGHRIB 29571 198 19 11 Ci Telecom Autonomous system 24835 197 78 10 RAYA Telecom - Egypt 2018 196 277 64 Tertiary Education Network 33776 195 12 14 Starcomms Nigeria Limited 16637 153 440 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 3744 3890 274 bellsouth.net, inc. 4323 2646 1093 400 Time Warner Telecom 6503 2025 354 73 AVANTEL, S.A. 19262 1838 4852 282 Verizon Global Networks 1785 1806 697 132 PaeTec Communications, Inc. 4766 1724 9470 518 Korea Telecom (KIX) 20115 1510 1532 638 Charter Communications 7545 1435 298 77 TPG Internet Pty Ltd 7018 1418 5708 912 AT&T WorldNet Services 6478 1410 285 82 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 2646 2246 Time Warner Telecom 6503 2025 1952 AVANTEL, S.A. 1785 1806 1674 PaeTec Communications, Inc. 19262 1838 1556 Verizon Global Networks 7545 1435 1358 TPG Internet Pty Ltd 6478 1410 1328 AT&T Worldnet Services 17974 1314 1286 PT TELEKOMUNIKASI INDONESIA 17488 1365 1250 Hathway IP Over Cable Interne 4755 1390 1233 TATA Communications formerly 4766 1724 1206 Korea Telecom (KIX)

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 /11:69 /12:209 /13:424 /14:746 /15:1330 /16:11290 /17:5457 /18:9165 /19:18589 /20:23754 /21:23940 /22:31460 /23:30267 /24:175196 /25:11 /26:19 /27:27 /28:155 /29:93 /30:36 /31:0 /32:104

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

ASN No of nets Total ann. Description 6389 2311 3744 bellsouth.net, inc. 6503 1760 2025 AVANTEL, S.A. 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 980 1111 TEDATA

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

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

1:100 2:28 4:13 8:314 12:2023 13:6 14:46 15:17 16:3 17:8 20:9 24:1416 27:438 31:1 32:57 33:8 34:2 36:1 38:713 40:101 41:2627 42:1 44:3 46:282 47:10 49:16 50:12 52:12 55:5 56:2 57:28 58:758 59:497 60:497 61:1004 62:1010 63:1941 64:3693 65:2326 66:4075 67:1791 68:996 69:2807 70:717 71:382 72:1919 74:2278 75:285 76:319 77:868 78:685 79:436 80:1040 81:787 82:506 83:439 84:674 85:1019 86:485 87:710 88:383 89:1582 90:120 91:3216 92:451 93:1008 94:1128 95:715 96:398 97:241 98:679 99:33 101:3 107:2 108:69 109:775 110:424 111:643 112:297 113:315 114:450 115:624 116:1122 117:650 118:566 119:1000 120:158 121:683 122:1524 123:964 124:1220 125:1242 128:175 129:145 130:165 131:551 132:228 133:20 134:199 135:46 136:208 137:142 138:286 139:107 140:453 141:195 142:333 143:508 144:478 145:54 146:424 147:169 148:651 149:321 150:150 151:231 152:291 153:175 154:2 155:364 156:164 157:313 158:123 159:366 160:311 161:190 162:275 163:155 164:434 165:330 166:466 167:429 168:691 169:149 170:712 171:67 172:2 173:1109 174:443 175:252 176:1 178:634 180:696 182:491 183:242 184:185 186:844 187:897 188:856 189:1584 190:4203 192:5720 193:4789 194:3451 195:2854 196:1209 197:1 198:3461 199:3625 200:5480 201:1638 202:8005 203:8211 204:3977 205:2328 206:2430 207:2909 208:3873 209:3429 210:2495 211:1281 212:1818 213:1718 214:666 215:61 216:4716 217:1608 218:484 219:396 220:1181 221:378 222:312 223:76

End of report