Orbit

Routing Table Report 08:00 +10GMT Fri 01 Jul, 2011

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

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

BGP routing table entries examined: 356818 Prefixes after maximum aggregation: 162627 Deaggregation factor: 2.19 Unique aggregates announced to Internet: 179763 Total ASes present in the Internet Routing Table: 36680 Prefixes per ASN: 9.73 Origin-only ASes present in the Internet Routing Table: 31638 Origin ASes announcing only one prefix: 15238 Transit ASes present in the Internet Routing Table: 5042 Transit-only ASes present in the Internet Routing Table: 119 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 30 Max AS path prepend of ASN (22394) 27 Prefixes from unregistered ASNs in the Routing Table: 2263 Unregistered ASNs in the Routing Table: 564 Number of 32-bit ASNs allocated by the RIRs: 1510 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 2774 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 132 Number of addresses announced to Internet: 2491729152 Equivalent to 148 /8s, 132 /16s and 197 /24s Percentage of available address space announced: 67.2 Percentage of allocated address space announced: 67.2 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 91.0 Total number of prefixes smaller than registry allocations: 147155

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

Prefixes being announced by APNIC Region ASes: 85593 Total APNIC prefixes after maximum aggregation: 28899 APNIC Deaggregation factor: 2.96 Prefixes being announced from the APNIC address blocks: 83295 Unique aggregates announced from the APNIC address blocks: 37137 APNIC Region origin ASes present in the Internet Routing Table: 4443 APNIC Prefixes per ASN: 18.75 APNIC Region origin ASes announcing only one prefix: 1256 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: 619471104 Equivalent to 36 /8s, 236 /16s and 97 /24s Percentage of available APNIC address space announced: 78.6

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: 140058 Total ARIN prefixes after maximum aggregation: 72133 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 112334 Unique aggregates announced from the ARIN address blocks: 46559 ARIN Region origin ASes present in the Internet Routing Table: 14379 ARIN Prefixes per ASN: 7.81 ARIN Region origin ASes announcing only one prefix: 5510 ARIN Region transit ASes present in the Internet Routing Table: 1453 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 30 Number of ARIN region 32-bit ASNs visible in the Routing Table: 0 Number of ARIN addresses announced to Internet: 802878720 Equivalent to 47 /8s, 218 /16s and 245 /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: 86685 Total RIPE prefixes after maximum aggregation: 49002 RIPE Deaggregation factor: 1.77 Prefixes being announced from the RIPE address blocks: 80076 Unique aggregates announced from the RIPE address blocks: 52664 RIPE Region origin ASes present in the Internet Routing Table: 15761 RIPE Prefixes per ASN: 5.08 RIPE Region origin ASes announcing only one prefix: 7878 RIPE Region transit ASes present in the Internet Routing Table: 2474 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 478608640 Equivalent to 28 /8s, 134 /16s and 253 /24s Percentage of available RIPE address space announced: 77.1

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: 32637 Total LACNIC prefixes after maximum aggregation: 7458 LACNIC Deaggregation factor: 4.38 Prefixes being announced from the LACNIC address blocks: 32071 Unique aggregates announced from the LACNIC address blocks: 16991 LACNIC Region origin ASes present in the Internet Routing Table: 1460 LACNIC Prefixes per ASN: 21.97 LACNIC Region origin ASes announcing only one prefix: 447 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: 85700608 Equivalent to 5 /8s, 27 /16s and 176 /24s Percentage of available LACNIC address space announced: 56.8

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: 8336 Total AfriNIC prefixes after maximum aggregation: 2017 AfriNIC Deaggregation factor: 4.13 Prefixes being announced from the AfriNIC address blocks: 6463 Unique aggregates announced from the AfriNIC address blocks: 1964 AfriNIC Region origin ASes present in the Internet Routing Table: 468 AfriNIC Prefixes per ASN: 13.81 AfriNIC Region origin ASes announcing only one prefix: 147 AfriNIC Region transit ASes present in the Internet Routing Table: 103 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: 24293120 Equivalent to 1 /8s, 114 /16s and 175 /24s Percentage of available AfriNIC address space announced: 36.2

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 1900 9492 623 Korea Telecom (KIX) 7545 1541 301 84 TPG Internet Pty Ltd 17974 1534 461 43 PT Telekomunikasi Indonesia 4755 1487 375 167 TATA Communications formerly 24560 1153 336 187 Bharti Airtel Ltd., Telemedia 9583 1056 78 506 Sify Limited 9829 1047 888 54 National Internet Backbone 4808 965 2018 283 CNCGROUP IP network China169 17488 958 186 103 Hathway IP Over Cable Interne 18101 933 116 140 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 3618 3819 248 BellSouth.net Inc. 18566 1912 365 240 Covad Communications Co. 1785 1805 681 122 PaeTec Communications, Inc. 4323 1661 1098 400 tw telecom holdings, inc. 20115 1587 1531 634 Charter Communications 19262 1450 4806 370 Verizon Online LLC 7029 1407 1031 207 Windstream Communications Inc 7018 1380 7086 905 AT&T Services, Inc. 22773 1345 2897 87 Cox Communications Inc. 6478 1337 248 613 AT&T Services, 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 540 326 31 Goldenlines main autonomous s 34984 534 106 185 BILISIM TELEKOM 6830 512 1780 318 UPC Broadband 3292 468 2080 403 TDC Data Networks 20940 467 137 360 Akamai Technologies European 8866 451 134 26 Bulgarian Telecommunication C 29049 444 33 45 AzerSat LLC. 12479 439 593 7 France Telecom Espana SA 3320 420 8151 367 Deutsche Telekom AG 8551 405 355 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 1538 282 157 Types of queries are: POCs, o 28573 1259 996 80 Types of queries are: POCs, o 8151 1251 2723 353 Uninet S.A. de C.V. 7303 976 506 162 Telecom Argentina S.A. 6503 736 354 74 Axtel, S.A.B. de C.V. 14420 685 55 81 CORPORACION NACIONAL DE TELEC 22047 576 322 17 Types of queries are: POCs, o 3816 536 232 91 Types of queries are: POCs, o 7738 516 986 31 Telecomunicacoes da Bahia S.A 11172 495 100 85 Alestra, S. de R.L. de C.V.

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 788 147 35 LINKdotNET AS number 8452 787 445 11 TEDATA 15475 524 74 8 Nile Online 36992 315 415 14 Etisalat MISR 3741 261 937 223 The Internet Solution 6713 241 215 13 Itissalat Al-MAGHRIB 24835 211 78 10 RAYA Telecom - Egypt 33776 208 12 10 Starcomms Nigeria Limited 29571 192 17 11 Ci Telecom Autonomous system 16637 149 441 87 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 3618 3819 248 BellSouth.net Inc. 23456 2774 691 1512 32-bit ASN transition 18566 1912 365 240 Covad Communications Co. 4766 1900 9492 623 Korea Telecom (KIX) 1785 1805 681 122 PaeTec Communications, Inc. 4323 1661 1098 400 tw telecom holdings, inc. 20115 1587 1531 634 Charter Communications 7545 1541 301 84 TPG Internet Pty Ltd 10620 1538 282 157 Types of queries are: POCs, o 17974 1534 461 43 PT Telekomunikasi Indonesia

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 1805 1683 PaeTec Communications, Inc. 18566 1912 1672 Covad Communications Co. 17974 1534 1491 PT Telekomunikasi Indonesia 7545 1541 1457 TPG Internet Pty Ltd 10620 1538 1381 Types of queries are: POCs, o 4755 1487 1320 TATA Communications formerly 4766 1900 1277 Korea Telecom (KIX) 23456 2774 1262 32-bit ASN transition 4323 1661 1261 tw telecom holdings, inc. 22773 1345 1258 Cox Communications 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 27.0.128.0/17 7514 Media EXchange, Inc. 41.190.32.0/23 31856 CABSAS 41.190.34.0/23 31856 CABSAS 41.190.36.0/23 31856 CABSAS

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 /8:22 /9:12 /10:28 /11:81 /12:231 /13:461 /14:800 /15:1396 /16:11953 /17:5856 /18:9691 /19:19548 /20:25874 /21:26074 /22:34341 /23:33144 /24:186792 /25:13 /26:19 /27:26 /28:160 /29:104 /30:60 /31:0 /32:132

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

ASN No of nets Total ann. Description 6389 2223 3618 BellSouth.net Inc. 18566 1868 1912 Covad Communications Co. 10620 1433 1538 Types of queries are: POCs, o 23456 1360 2774 32-bit ASN transition 6478 1308 1337 AT&T Services, Inc. 11492 1090 1136 CABLE ONE, INC. 7029 1087 1407 Windstream Communications Inc 7011 1056 1157 Frontier Communications of Am 1785 1052 1805 PaeTec Communications, Inc. 22773 860 1345 Cox Communications Inc.

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

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

1:317 2:46 4:16 5:1 6:3 8:338 12:1972 13:1 14:461 15:15 16:3 17:8 20:10 23:12 24:1655 27:801 31:485 32:59 33:4 34:2 36:4 37:1 38:734 39:3 40:103 41:2536 42:22 44:3 46:991 47:3 49:196 50:431 52:13 54:2 55:3 56:2 57:32 58:815 59:472 60:384 61:1013 62:1049 63:1930 64:3922 65:2264 66:3860 67:1902 68:1087 69:3021 70:754 71:396 72:1889 74:2376 75:319 76:339 77:882 78:706 79:468 80:1118 81:847 82:503 83:460 84:688 85:1081 86:551 87:760 88:337 89:1528 90:211 91:3916 92:537 93:1047 94:1324 95:850 96:441 97:254 98:890 99:36 101:72 103:99 106:10 107:19 108:70 109:1013 110:597 111:710 112:295 113:403 114:542 115:654 116:947 117:665 118:810 119:1135 120:306 121:646 122:1607 123:952 124:1261 125:1224 128:208 129:166 130:162 131:572 132:104 133:21 134:206 135:48 136:213 137:133 138:299 139:113 140:458 141:241 142:387 143:414 144:478 145:54 146:442 147:214 148:587 149:246 150:157 151:191 152:328 153:180 154:3 155:399 156:193 157:321 158:138 159:385 160:313 161:202 162:307 163:155 164:505 165:352 166:534 167:431 168:732 169:156 170:842 171:76 172:1 173:1635 174:612 175:359 176:142 177:143 178:991 180:885 181:19 182:473 183:223 184:311 185:1 186:1251 187:727 188:876 189:930 190:4937 192:5844 193:4971 194:3486 195:3028 196:1237 197:41 198:3519 199:3927 200:5478 201:1507 202:8169 203:8336 204:4147 205:2318 206:2593 207:2743 208:3952 209:3431 210:2596 211:1447 212:2114 213:1746 214:760 215:70 216:4905 217:1643 218:533 219:358 220:1196 221:476 222:310 223:177

End of report