Orbit

Routing Table Report 04:00 +10GMT Sun 23 Oct, 2011

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

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

BGP routing table entries examined: 380632 Prefixes after maximum aggregation: 169828 Deaggregation factor: 2.24 Unique aggregates announced to Internet: 185628 Total ASes present in the Internet Routing Table: 39138 Prefixes per ASN: 9.73 Origin-only ASes present in the Internet Routing Table: 32351 Origin ASes announcing only one prefix: 15522 Transit ASes present in the Internet Routing Table: 5250 Transit-only ASes present in the Internet Routing Table: 136 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 33 Max AS path prepend of ASN (48687) 24 Prefixes from unregistered ASNs in the Routing Table: 1494 Unregistered ASNs in the Routing Table: 825 Number of 32-bit ASNs allocated by the RIRs: 1881 Number of 32-bit ASNs visible in the Routing Table: 1537 Prefixes from 32-bit ASNs in the Routing Table: 3532 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 89 Number of addresses announced to Internet: 2486026528 Equivalent to 148 /8s, 45 /16s and 193 /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: 160922

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

Prefixes being announced by APNIC Region ASes: 94716 Total APNIC prefixes after maximum aggregation: 30905 APNIC Deaggregation factor: 3.06 Prefixes being announced from the APNIC address blocks: 91167 Unique aggregates announced from the APNIC address blocks: 37986 APNIC Region origin ASes present in the Internet Routing Table: 4586 APNIC Prefixes per ASN: 19.88 APNIC Region origin ASes announcing only one prefix: 1265 APNIC Region transit ASes present in the Internet Routing Table: 714 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 94 Number of APNIC addresses announced to Internet: 628984160 Equivalent to 37 /8s, 125 /16s and 137 /24s Percentage of available APNIC address space announced: 79.8

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: 145560 Total ARIN prefixes after maximum aggregation: 74412 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 117511 Unique aggregates announced from the ARIN address blocks: 48125 ARIN Region origin ASes present in the Internet Routing Table: 14737 ARIN Prefixes per ASN: 7.97 ARIN Region origin ASes announcing only one prefix: 5671 ARIN Region transit ASes present in the Internet Routing Table: 1558 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 12 Number of ARIN addresses announced to Internet: 804742912 Equivalent to 47 /8s, 247 /16s and 103 /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: 92860 Total RIPE prefixes after maximum aggregation: 50724 RIPE Deaggregation factor: 1.83 Prefixes being announced from the RIPE address blocks: 85520 Unique aggregates announced from the RIPE address blocks: 54131 RIPE Region origin ASes present in the Internet Routing Table: 16064 RIPE Prefixes per ASN: 5.32 RIPE Region origin ASes announcing only one prefix: 7982 RIPE Region transit ASes present in the Internet Routing Table: 2518 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1079 Number of RIPE addresses announced to Internet: 491120576 Equivalent to 29 /8s, 69 /16s and 231 /24s Percentage of available RIPE address space announced: 79.1

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, 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: 35262 Total LACNIC prefixes after maximum aggregation: 7910 LACNIC Deaggregation factor: 4.46 Prefixes being announced from the LACNIC address blocks: 34684 Unique aggregates announced from the LACNIC address blocks: 18042 LACNIC Region origin ASes present in the Internet Routing Table: 1542 LACNIC Prefixes per ASN: 22.49 LACNIC Region origin ASes announcing only one prefix: 445 LACNIC Region transit ASes present in the Internet Routing Table: 281 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 19 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 348 Number of LACNIC addresses announced to Internet: 91689600 Equivalent to 5 /8s, 119 /16s and 18 /24s Percentage of available LACNIC address space announced: 60.7

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: 8535 Total AfriNIC prefixes after maximum aggregation: 2015 AfriNIC Deaggregation factor: 4.24 Prefixes being announced from the AfriNIC address blocks: 6604 Unique aggregates announced from the AfriNIC address blocks: 1984 AfriNIC Region origin ASes present in the Internet Routing Table: 491 AfriNIC Prefixes per ASN: 13.45 AfriNIC Region origin ASes announcing only one prefix: 159 AfriNIC Region transit ASes present in the Internet Routing Table: 108 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4 Number of AfriNIC addresses announced to Internet: 27853568 Equivalent to 1 /8s, 169 /16s and 3 /24s Percentage of available AfriNIC address space announced: 41.5

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 2502 11095 963 Korea Telecom (KIX) 17974 1895 519 33 PT TELEKOMUNIKASI INDONESIA 7545 1611 303 86 TPG Internet Pty Ltd 4755 1539 637 173 TATA Communications formerly 7552 1389 1064 8 Vietel Corporation 9829 1166 989 28 BSNL National Internet Backbo 9583 1148 80 499 Sify Limited 4808 1082 2101 308 CNCGROUP IP network: China169 24560 966 343 220 Bharti Airtel Ltd., Telemedia 18101 953 166 149 Reliance Infocom Ltd Internet

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

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

ASN No of nets /20 equiv MaxAgg Description 6389 3545 3814 220 bellsouth.net, inc. 7029 2282 1016 197 Windstream Communications Inc 18566 2098 383 177 Covad Communications 1785 1840 680 122 PaeTec Communications, Inc. 4323 1628 1084 393 Time Warner Telecom 20115 1594 1546 620 Charter Communications 22773 1462 2907 100 Cox Communications, Inc. 30036 1415 254 673 Mediacom Communications Corp 19262 1395 4728 400 Verizon Global Networks 7018 1321 7030 864 AT&T WorldNet Services

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

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

ASN No of nets /20 equiv MaxAgg Description 3352 2203 2317 51 Ibernet, Internet Access Netw 8402 1475 352 13 Corbina telecom 6830 653 1927 415 UPC Distribution Services 34984 584 108 180 BILISIM TELEKOM 20940 548 182 422 Akamai Technologies European 3320 504 8169 384 Deutsche Telekom AG 3292 481 2080 408 TDC Tele Danmark 12479 480 593 7 Uni2 Autonomous System 8866 459 133 26 Bulgarian Telecommunication C 29049 423 31 55 AzerSat LLC.

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

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

ASN No of nets /20 equiv MaxAgg Description 10620 1694 313 155 TVCABLE BOGOTA 28573 1434 1032 69 NET Servicos de Comunicao S.A 8151 1428 2913 352 UniNet S.A. de C.V. 7303 1229 747 177 Telecom Argentina Stet-France 27947 588 72 84 Telconet S.A 22047 580 322 17 VTR PUNTO NET S.A. 6503 571 450 69 AVANTEL, S.A. 7738 552 1050 31 Telecomunicacoes da Bahia S.A 3816 537 233 96 Empresa Nacional de Telecomun 11172 522 85 95 Servicios Alestra S.A de C.V

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

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

ASN No of nets /20 equiv MaxAgg Description 24863 802 146 36 LINKdotNET AS number 8452 646 446 12 TEDATA 15475 443 74 8 Nile Online 36992 297 415 21 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 217 17 13 Ci Telecom Autonomous system 33776 208 13 14 Starcomms Nigeria Limited 12258 196 28 57 Vodacom Internet Company

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

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

ASN No of nets /20 equiv MaxAgg Description 6389 3545 3814 220 bellsouth.net, inc. 4766 2502 11095 963 Korea Telecom (KIX) 7029 2282 1016 197 Windstream Communications Inc 3352 2203 2317 51 Ibernet, Internet Access Netw 18566 2098 383 177 Covad Communications 17974 1895 519 33 PT TELEKOMUNIKASI INDONESIA 1785 1840 680 122 PaeTec Communications, Inc. 10620 1694 313 155 TVCABLE BOGOTA 4323 1628 1084 393 Time Warner Telecom 7545 1611 303 86 TPG Internet Pty Ltd

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

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

ASN No of nets Net Savings Description 3352 2203 2152 Ibernet, Internet Access Netw 7029 2282 2085 Windstream Communications Inc 18566 2098 1921 Covad Communications 17974 1895 1862 PT TELEKOMUNIKASI INDONESIA 1785 1840 1718 PaeTec Communications, Inc. 4766 2502 1539 Korea Telecom (KIX) 10620 1694 1539 TVCABLE BOGOTA 7545 1611 1525 TPG Internet Pty Ltd 8402 1475 1462 Corbina telecom 7552 1389 1381 Vietel Corporation

Complete listing at http://thyme.rand.apnic.net/current/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 4323 Time Warner Telecom 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 10912 InterNAP Network Ser

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

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/current/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 /8:19 /9:12 /10:27 /11:81 /12:235 /13:464 /14:808 /15:1425 /16:12013 /17:6036 /18:10056 /19:19968 /20:27484 /21:27627 /22:37377 /23:35891 /24:197619 /25:1209 /26:1356 /27:749 /28:167 /29:4 /30:0 /31:0 /32:5

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

ASN No of nets Total ann. Description 6389 2185 3545 bellsouth.net, inc. 18566 2047 2098 Covad Communications 7029 1954 2282 Windstream Communications Inc 3352 1751 2203 Ibernet, Internet Access Netw 10620 1589 1694 TVCABLE BOGOTA 8402 1451 1475 Corbina telecom 30036 1376 1415 Mediacom Communications Corp 11492 1118 1156 Cable One 1785 1057 1840 PaeTec Communications, Inc. 7011 1048 1166 Citizens Utilities

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

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

1:410 2:480 4:15 5:1 6:3 8:361 12:1953 13:1 14:538 15:11 16:3 17:7 20:9 23:59 24:1678 27:965 31:604 32:65 33:4 34:2 36:4 38:753 40:110 41:2667 42:53 44:3 46:999 47:3 49:297 50:441 52:13 55:6 56:2 57:37 58:882 59:494 60:362 61:1182 62:1085 63:1958 64:4054 65:2308 66:4282 67:1978 68:1154 69:3190 70:891 71:379 72:1802 74:2570 75:388 76:320 77:887 78:860 79:479 80:1590 81:941 82:494 83:575 84:622 85:1119 86:405 87:891 88:418 89:1596 90:237 91:4214 92:529 93:1532 94:1308 95:1080 96:437 97:284 98:920 99:37 101:212 103:391 106:70 107:73 108:72 109:1047 110:672 111:789 112:331 113:488 114:610 115:705 116:881 117:720 118:900 119:1248 120:340 121:688 122:1568 123:1017 124:1357 125:1362 128:249 129:177 130:165 131:592 132:145 133:21 134:219 135:54 136:213 137:140 138:284 139:123 140:482 141:297 142:389 143:429 144:494 145:63 146:474 147:215 148:642 149:267 150:166 151:191 152:447 153:178 154:7 155:388 156:207 157:362 158:153 159:479 160:324 161:214 162:340 163:174 164:509 165:369 166:538 167:438 168:739 169:146 170:872 171:86 172:4 173:1706 174:684 175:425 176:273 177:345 178:1064 180:1092 181:36 182:653 183:218 184:379 185:1 186:1301 187:721 188:934 189:872 190:5127 192:5925 193:5038 194:3562 195:3102 196:1252 197:164 198:3619 199:4168 200:5470 201:1682 202:8558 203:8487 204:4288 205:2364 206:2665 207:2830 208:4026 209:3568 210:2694 211:1460 212:2079 213:1796 214:781 215:95 216:4916 217:1614 218:566 219:343 220:1244 221:514 222:345 223:276

End of report