Orbit

Routing Table Report 08:00 +10GMT Thu 21 Jul, 2011

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

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

BGP routing table entries examined: 358285 Prefixes after maximum aggregation: 163625 Deaggregation factor: 2.19 Unique aggregates announced to Internet: 180721 Total ASes present in the Internet Routing Table: 36789 Prefixes per ASN: 9.74 Origin-only ASes present in the Internet Routing Table: 31735 Origin ASes announcing only one prefix: 15280 Transit ASes present in the Internet Routing Table: 5054 Transit-only ASes present in the Internet Routing Table: 123 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 34 Max AS path prepend of ASN (22394) 31 Prefixes from unregistered ASNs in the Routing Table: 2289 Unregistered ASNs in the Routing Table: 625 Number of 32-bit ASNs allocated by the RIRs: 1576 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 2904 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 119 Number of addresses announced to Internet: 2495911936 Equivalent to 148 /8s, 196 /16s and 152 /24s Percentage of available address space announced: 67.3 Percentage of allocated address space announced: 67.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 91.1 Total number of prefixes smaller than registry allocations: 147816

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

Prefixes being announced by APNIC Region ASes: 86320 Total APNIC prefixes after maximum aggregation: 29053 APNIC Deaggregation factor: 2.97 Prefixes being announced from the APNIC address blocks: 83918 Unique aggregates announced from the APNIC address blocks: 37479 APNIC Region origin ASes present in the Internet Routing Table: 4461 APNIC Prefixes per ASN: 18.81 APNIC Region origin ASes announcing only one prefix: 1259 APNIC Region transit ASes present in the Internet Routing Table: 677 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 20 Number of APNIC region 32-bit ASNs visible in the Routing Table: 0 Number of APNIC addresses announced to Internet: 621862144 Equivalent to 37 /8s, 16 /16s and 221 /24s Percentage of available APNIC address space announced: 78.9

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, 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: 140238 Total ARIN prefixes after maximum aggregation: 72542 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 112430 Unique aggregates announced from the ARIN address blocks: 46628 ARIN Region origin ASes present in the Internet Routing Table: 14419 ARIN Prefixes per ASN: 7.80 ARIN Region origin ASes announcing only one prefix: 5537 ARIN Region transit ASes present in the Internet Routing Table: 1454 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 0 Number of ARIN addresses announced to Internet: 802468608 Equivalent to 47 /8s, 212 /16s and 179 /24s Percentage of available ARIN address space announced: 63.8

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: 87009 Total RIPE prefixes after maximum aggregation: 49267 RIPE Deaggregation factor: 1.77 Prefixes being announced from the RIPE address blocks: 80392 Unique aggregates announced from the RIPE address blocks: 52916 RIPE Region origin ASes present in the Internet Routing Table: 15789 RIPE Prefixes per ASN: 5.09 RIPE Region origin ASes announcing only one prefix: 7880 RIPE Region transit ASes present in the Internet Routing Table: 2484 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 25 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 479656960 Equivalent to 28 /8s, 150 /16s and 252 /24s Percentage of available RIPE address space announced: 77.3

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: 32876 Total LACNIC prefixes after maximum aggregation: 7519 LACNIC Deaggregation factor: 4.37 Prefixes being announced from the LACNIC address blocks: 32344 Unique aggregates announced from the LACNIC address blocks: 17087 LACNIC Region origin ASes present in the Internet Routing Table: 1472 LACNIC Prefixes per ASN: 21.97 LACNIC Region origin ASes announcing only one prefix: 449 LACNIC Region transit ASes present in the Internet Routing Table: 257 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 19 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0 Number of LACNIC addresses announced to Internet: 86086144 Equivalent to 5 /8s, 33 /16s and 146 /24s Percentage of available LACNIC address space announced: 57.0

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: 8257 Total AfriNIC prefixes after maximum aggregation: 2017 AfriNIC Deaggregation factor: 4.09 Prefixes being announced from the AfriNIC address blocks: 6418 Unique aggregates announced from the AfriNIC address blocks: 1987 AfriNIC Region origin ASes present in the Internet Routing Table: 476 AfriNIC Prefixes per ASN: 13.48 AfriNIC Region origin ASes announcing only one prefix: 155 AfriNIC Region transit ASes present in the Internet Routing Table: 105 Average AfriNIC Region AS path length visible: 3.4 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0 Number of AfriNIC addresses announced to Internet: 24450816 Equivalent to 1 /8s, 117 /16s and 23 /24s Percentage of available AfriNIC address space announced: 36.4

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 1910 11036 633 Korea Telecom (KIX) 17974 1554 508 32 PT Telekomunikasi Indonesia 7545 1552 301 84 TPG Internet Pty Ltd 4755 1503 375 170 TATA Communications formerly 24560 1155 336 187 Bharti Airtel Ltd., Telemedia 9829 1106 923 47 National Internet Backbone 9583 1060 77 506 Sify Limited 17488 963 187 106 Hathway IP Over Cable Interne 4808 947 2003 274 CNCGROUP IP network China169 18101 933 116 139 Reliance Infocom Ltd Internet

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 3607 3818 239 BellSouth.net Inc. 18566 1911 364 239 Covad Communications Co. 1785 1813 681 122 PaeTec Communications, Inc. 4323 1615 1098 402 tw telecom holdings, inc. 20115 1587 1535 625 Charter Communications 19262 1410 4744 390 Verizon Online LLC 7029 1389 1031 209 Windstream Communications Inc 7018 1377 7102 903 AT&T Services, Inc. 22773 1351 2897 89 Cox Communications Inc. 2386 1258 520 906 AT&T Data Communications Serv

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 540 326 31 Goldenlines main autonomous s 34984 534 106 185 BILISIM TELEKOM 6830 510 1788 316 UPC Broadband 3292 468 2078 403 TDC Data Networks 20940 460 132 355 Akamai Technologies European 12479 456 593 7 France Telecom Espana SA 8866 450 133 25 Bulgarian Telecommunication C 29049 432 32 47 AzerSat LLC. 3320 423 8151 369 Deutsche Telekom AG 8551 404 355 38 Bezeq International

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 1557 286 164 Types of queries are: POCs, o 28573 1266 995 77 Types of queries are: POCs, o 8151 1254 2728 350 Uninet S.A. de C.V. 7303 985 511 164 Telecom Argentina S.A. 6503 738 354 74 Axtel, S.A.B. de C.V. 14420 699 56 84 CORPORACION NACIONAL DE TELEC 22047 578 322 17 Types of queries are: POCs, o 3816 534 232 96 Types of queries are: POCs, o 7738 516 986 31 Telecomunicacoes da Bahia S.A 27947 499 54 48 Telconet 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 24863 793 147 34 LINKdotNET AS number 8452 718 445 11 TEDATA 15475 511 74 8 Nile Online 36992 317 415 15 Etisalat MISR 3741 262 937 223 The Internet Solution 6713 241 215 13 Itissalat Al-MAGHRIB 33776 226 13 5 Starcomms Nigeria Limited 24835 179 78 10 RAYA Telecom - Egypt 29571 158 17 11 Ci Telecom Autonomous system 15706 149 32 6 Sudatel Internet Exchange Aut

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 3607 3818 239 BellSouth.net Inc. 23456 2904 709 1570 32-bit ASN transition 18566 1911 364 239 Covad Communications Co. 4766 1910 11036 633 Korea Telecom (KIX) 1785 1813 681 122 PaeTec Communications, Inc. 4323 1615 1098 402 tw telecom holdings, inc. 20115 1587 1535 625 Charter Communications 10620 1557 286 164 Types of queries are: POCs, o 17974 1554 508 32 PT Telekomunikasi Indonesia 7545 1552 301 84 TPG Internet Pty Ltd

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

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

ASN No of nets Net Savings Description 1785 1813 1691 PaeTec Communications, Inc. 18566 1911 1672 Covad Communications Co. 17974 1554 1522 PT Telekomunikasi Indonesia 7545 1552 1468 TPG Internet Pty Ltd 10620 1557 1393 Types of queries are: POCs, o 23456 2904 1334 32-bit ASN transition 4755 1503 1333 TATA Communications formerly 4766 1910 1277 Korea Telecom (KIX) 22773 1351 1262 Cox Communications Inc. 4323 1615 1213 tw telecom holdings, inc.

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

List of Unregistered Origin ASNs (Global) -----------------------------------------

Bad AS Designation Network Transit AS Description 65333 PRIVATE 10.0.0.0/8 0 * 32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc. 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc. 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T Services, Inc. 16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion 32567 UNALLOCATED 12.25.107.0/24 4323 tw telecom holdings, 30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc. 26095 UNALLOCATED 12.34.8.0/24 7018 AT&T Services, Inc. 21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc. 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T Services, Inc.

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 65535 Internet Assigned Numbers Aut 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 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 62.61.221.0/24 24974 Tachyon Europe BV

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 /8:21 /9:12 /10:26 /11:80 /12:233 /13:465 /14:795 /15:1397 /16:11984 /17:5863 /18:9766 /19:19602 /20:25968 /21:26132 /22:34518 /23:33338 /24:187588 /25:11 /26:19 /27:22 /28:157 /29:105 /30:58 /31:0 /32:125

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

ASN No of nets Total ann. Description 6389 2227 3607 BellSouth.net Inc. 18566 1867 1911 Covad Communications Co. 10620 1452 1557 Types of queries are: POCs, o 23456 1432 2904 32-bit ASN transition 11492 1092 1138 CABLE ONE, INC. 7029 1069 1389 Windstream Communications Inc 7011 1056 1158 Frontier Communications of Am 1785 1055 1813 PaeTec Communications, Inc. 6478 1013 1042 AT&T Services, Inc. 22773 866 1351 Cox Communications Inc.

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

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

1:325 2:45 4:16 5:1 6:3 8:338 12:1962 13:1 14:477 15:15 16:3 17:5 20:10 23:14 24:1674 27:831 31:501 32:59 33:3 34:2 36:4 38:742 40:104 41:2514 42:34 44:3 46:1039 47:3 49:198 50:382 52:13 54:2 55:6 56:2 57:34 58:812 59:474 60:383 61:1019 62:1037 63:1927 64:3945 65:2294 66:3850 67:1873 68:1099 69:3042 70:757 71:386 72:1885 74:2410 75:317 76:337 77:885 78:711 79:471 80:1111 81:838 82:502 83:466 84:690 85:1063 86:513 87:768 88:334 89:1531 90:224 91:3965 92:526 93:1049 94:1349 95:857 96:413 97:262 98:889 99:37 101:75 103:139 106:73 107:22 108:73 109:1019 110:608 111:709 112:299 113:406 114:553 115:669 116:961 117:666 118:817 119:1159 120:313 121:651 122:1600 123:960 124:1266 125:1228 128:208 129:165 130:158 131:573 132:103 133:21 134:206 135:48 136:213 137:135 138:298 139:114 140:457 141:248 142:387 143:418 144:484 145:55 146:449 147:217 148:600 149:248 150:154 151:189 152:340 153:182 154:3 155:398 156:196 157:323 158:138 159:386 160:311 161:195 162:307 163:156 164:504 165:365 166:531 167:435 168:735 169:149 170:843 171:79 172:1 173:1592 174:610 175:368 176:144 177:160 178:997 180:896 181:23 182:492 183:234 184:344 185:1 186:1282 187:756 188:894 189:934 190:4981 192:5857 193:4998 194:3515 195:3037 196:1213 197:41 198:3528 199:3932 200:5490 201:1471 202:8201 203:8343 204:4156 205:2313 206:2582 207:2734 208:3979 209:3400 210:2596 211:1443 212:2113 213:1777 214:771 215:70 216:4917 217:1672 218:532 219:336 220:1197 221:480 222:312 223:217

End of report