Routing Table Report 08:00 +10GMT Wed 27 Jun, 2012

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

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

BGP routing table entries examined: 408154 Prefixes after maximum aggregation: 173166 Deaggregation factor: 2.36 Unique aggregates announced to Internet: 202335 Total ASes present in the Internet Routing Table: 38690 Prefixes per ASN: 10.55 Origin-only ASes present in the Internet Routing Table: 33338 Origin ASes announcing only one prefix: 15698 Transit ASes present in the Internet Routing Table: 5352 Transit-only ASes present in the Internet Routing Table: 122 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 26 Max AS path prepend of ASN ( 51742) 24 Prefixes from unregistered ASNs in the Routing Table: 1128 Unregistered ASNs in the Routing Table: 208 Number of 32-bit ASNs allocated by the RIRs: 2890 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 6444 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 272 Number of addresses announced to Internet: 2588829696 Equivalent to 154 /8s, 78 /16s and 104 /24s Percentage of available address space announced: 69.8 Percentage of allocated address space announced: 69.9 Percentage of available address space allocated: 99.9 Percentage of address space in use by end-sites: 93.0 Total number of prefixes smaller than registry allocations: 140858

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

Prefixes being announced by APNIC Region ASes: 95270 Total APNIC prefixes after maximum aggregation: 31180 APNIC Deaggregation factor: 3.06 Prefixes being announced from the APNIC address blocks: 96282 Unique aggregates announced from the APNIC address blocks: 41936 APNIC Region origin ASes present in the Internet Routing Table: 4666 APNIC Prefixes per ASN: 20.63 APNIC Region origin ASes announcing only one prefix: 1274 APNIC Region transit ASes present in the Internet Routing Table: 727 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: 701329152 Equivalent to 41 /8s, 205 /16s and 111 /24s Percentage of available APNIC address space announced: 82.0

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 131072-133119 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, 150/8, 153/8, 163/8, 171/8, 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: 150812 Total ARIN prefixes after maximum aggregation: 76817 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 151724 Unique aggregates announced from the ARIN address blocks: 68131 ARIN Region origin ASes present in the Internet Routing Table: 15114 ARIN Prefixes per ASN: 10.04 ARIN Region origin ASes announcing only one prefix: 5746 ARIN Region transit ASes present in the Internet Routing Table: 1519 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 19 Number of ARIN region 32-bit ASNs visible in the Routing Table: 0 Number of ARIN addresses announced to Internet: 1080332544 Equivalent to 64 /8s, 100 /16s and 145 /24s Percentage of available ARIN address space announced: 57.2

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, 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, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 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: 103814 Total RIPE prefixes after maximum aggregation: 54773 RIPE Deaggregation factor: 1.90 Prefixes being announced from the RIPE address blocks: 105939 Unique aggregates announced from the RIPE address blocks: 66811 RIPE Region origin ASes present in the Internet Routing Table: 16618 RIPE Prefixes per ASN: 6.37 RIPE Region origin ASes announcing only one prefix: 8074 RIPE Region transit ASes present in the Internet Routing Table: 2625 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 632810496 Equivalent to 37 /8s, 183 /16s and 236 /24s Percentage of available RIPE address space announced: 92.0

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 59392-61439, 196608-199679 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, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 41755 Total LACNIC prefixes after maximum aggregation: 8186 LACNIC Deaggregation factor: 5.10 Prefixes being announced from the LACNIC address blocks: 44239 Unique aggregates announced from the LACNIC address blocks: 21930 LACNIC Region origin ASes present in the Internet Routing Table: 1594 LACNIC Prefixes per ASN: 27.75 LACNIC Region origin ASes announcing only one prefix: 437 LACNIC Region transit ASes present in the Internet Routing Table: 299 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 21 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0 Number of LACNIC addresses announced to Internet: 111091712 Equivalent to 6 /8s, 159 /16s and 32 /24s Percentage of available LACNIC address space announced: 66.2

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, 191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary -------------------------------

Prefixes being announced by AfriNIC Region ASes: 9250 Total AfriNIC prefixes after maximum aggregation: 2152 AfriNIC Deaggregation factor: 4.30 Prefixes being announced from the AfriNIC address blocks: 9697 Unique aggregates announced from the AfriNIC address blocks: 3282 AfriNIC Region origin ASes present in the Internet Routing Table: 542 AfriNIC Prefixes per ASN: 17.89 AfriNIC Region origin ASes announcing only one prefix: 167 AfriNIC Region transit ASes present in the Internet Routing Table: 120 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: 40495872 Equivalent to 2 /8s, 105 /16s and 235 /24s Percentage of available AfriNIC address space announced: 40.2

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

APNIC Region per AS prefix count summary ----------------------------------------

ASN No of nets /20 equiv MaxAgg Description 4766 1988 11107 758 Korea Telecom (KIX) 17974 1858 533 80 PT Telekomunikasi Indonesia 7545 1683 301 85 TPG Internet Pty Ltd 4755 1571 384 151 TATA Communications formerly 9829 1300 1085 28 National Internet Backbone 9583 1168 87 508 Sify Limited 7552 1057 1062 11 Vietel Corporation 24560 1034 385 165 Bharti Airtel Ltd., Telemedia 9498 967 291 63 BHARTI Airtel Ltd. 4808 955 1944 284 CNCGROUP IP network China169

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 3401 3791 191 BellSouth.net Inc. 7029 3249 1016 169 Windstream Communications Inc 18566 2091 382 180 Covad Communications Co. 1785 1927 681 132 PaeTec Communications, Inc. 22773 1653 2911 121 Cox Communications Inc. 20115 1650 1573 615 Charter Communications 4323 1569 1059 383 tw telecom holdings, inc. 30036 1440 269 762 Mediacom Communications Corp 7018 1231 10046 829 AT&T Services, Inc. 7011 1191 319 684 Frontier Communications of Am

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 8402 1625 544 16 Corbina telecom 2118 1288 97 14 EUnet/RELCOM Autonomous Syste 12479 753 722 94 France Telecom Espana SA 34984 716 189 175 BILISIM TELEKOM 31148 690 37 9 FreeNet ISP 6830 686 2234 435 UPC Broadband 20940 648 210 517 Akamai Technologies European 13188 513 100 10 Ukraine 9116 512 326 31 Goldenlines main autonomous s 8551 505 364 61 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 1979 344 206 Types of queries are: POCs, o 28573 1963 1212 55 Types of queries are: POCs, o 6503 1522 418 67 Axtel, S.A.B. de C.V. 7303 1440 901 195 Telecom Argentina S.A. 8151 1347 3049 333 Uninet S.A. de C.V. 26615 896 732 33 Tim Celular S.A. 27947 682 74 87 Telconet S.A 11172 645 107 74 Alestra, S. de R.L. de C.V. 3816 591 248 88 Types of queries are: POCs, o 22047 583 326 15 Types of queries are: POCs, o

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 1277 958 13 TEDATA 24863 787 274 32 LINKdotNET AS number 6713 499 649 18 Itissalat Al-MAGHRIB 24835 321 80 8 RAYA Telecom - Egypt 3741 262 905 223 The Internet Solution 33776 209 12 21 Starcomms Nigeria Limited 12258 197 28 62 Vodacom Internet Company 29975 167 571 19 Vodacom 15706 164 32 6 Sudatel Internet Exchange Aut 16637 160 664 88 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 3401 3791 191 BellSouth.net Inc. 7029 3249 1016 169 Windstream Communications Inc 18566 2091 382 180 Covad Communications Co. 4766 1988 11107 758 Korea Telecom (KIX) 10620 1979 344 206 Types of queries are: POCs, o 28573 1963 1212 55 Types of queries are: POCs, o 1785 1927 681 132 PaeTec Communications, Inc. 17974 1858 533 80 PT Telekomunikasi Indonesia 7545 1683 301 85 TPG Internet Pty Ltd 22773 1653 2911 121 Cox Communications Inc.

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

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

ASN No of nets Net Savings Description 7029 3249 3080 Windstream Communications Inc 18566 2091 1911 Covad Communications Co. 28573 1963 1908 Types of queries are: POCs, o 1785 1927 1795 PaeTec Communications, Inc. 17974 1858 1778 PT Telekomunikasi Indonesia 10620 1979 1773 Types of queries are: POCs, o 8402 1625 1609 Corbina telecom 7545 1683 1598 TPG Internet Pty Ltd 22773 1653 1532 Cox Communications Inc. 6503 1522 1455 Axtel, S.A.B. de C.V.

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. 16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion 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. 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T Services, Inc. 19577 UNALLOCATED 12.41.188.0/24 7832 WW/Precision Communi 13317 UNALLOCATED 12.44.10.0/24 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 128.0.0.0/21 12654 RIPE NCC RIS Project 128.0.24.0/24 12654 RIPE NCC RIS Project 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 5.100.0.0/18 28876 suec // dacor GmbH - ISP Cobu 5.100.64.0/24 42038 VladLink LTD AS 5.100.64.0/18 42038 VladLink LTD AS 5.101.0.0/16 44050 Petersburg Internet Network L 14.192.0.0/22 45464 Room 201, TGU Bldg 14.192.4.0/22 45464 Room 201, TGU Bldg 14.192.8.0/22 45464 Room 201, TGU Bldg 14.192.12.0/22 45464 Room 201, TGU Bldg 14.192.16.0/22 45464 Room 201, TGU Bldg 14.192.20.0/22 45464 Room 201, TGU Bldg

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 /8:20 /9:13 /10:29 /11:83 /12:236 /13:460 /14:831 /15:1509 /16:12233 /17:6336 /18:10672 /19:20678 /20:29443 /21:30928 /22:40377 /23:38418 /24:215335 /25:11 /26:20 /27:18 /28:147 /29:139 /30:83 /31:0 /32:135

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

ASN No of nets Total ann. Description 7029 2617 3249 Windstream Communications Inc 18566 2041 2091 Covad Communications Co. 6389 1873 3401 BellSouth.net Inc. 30036 1379 1440 Mediacom Communications Corp 8402 1324 1625 Corbina telecom 11492 1152 1189 CABLE ONE, INC. 22773 1085 1653 Cox Communications Inc. 6503 1058 1522 Axtel, S.A.B. de C.V. 8452 1041 1277 TEDATA 1785 1038 1927 PaeTec Communications, Inc.

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

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

1:563 2:690 3:1 4:13 5:72 6:3 8:429 12:1983 13:1 14:626 15:12 16:3 17:5 20:24 23:186 24:1780 27:1310 31:1012 32:51 33:2 34:2 36:9 37:596 38:809 39:1 40:127 41:3156 42:140 44:3 46:1462 47:2 49:413 50:562 52:13 54:12 55:7 56:1 57:39 58:926 59:495 60:253 61:1112 62:1000 63:2033 64:4243 65:2250 66:4453 67:2021 68:1152 69:3185 70:982 71:503 72:1830 74:2605 75:476 76:332 77:944 78:965 79:493 80:1202 81:949 82:661 83:528 84:493 85:1178 86:426 87:934 88:330 89:1724 90:298 91:4976 92:563 93:1391 94:1590 95:1218 96:368 97:317 98:897 99:36 100:17 101:248 103:1180 106:103 107:189 108:327 109:1408 110:770 111:919 112:410 113:615 114:639 115:814 116:912 117:713 118:905 119:1198 120:338 121:675 122:1635 123:1095 124:1329 125:1251 128:519 129:192 130:249 131:612 132:286 133:22 134:234 135:61 136:214 137:236 138:333 139:183 140:468 141:252 142:417 143:367 144:531 145:76 146:502 147:290 148:751 149:314 150:157 151:175 152:471 153:175 154:16 155:454 156:222 157:337 158:190 159:543 160:335 161:245 162:351 163:181 164:634 165:409 166:582 167:476 168:909 169:126 170:888 171:139 172:5 173:1770 174:636 175:428 176:547 177:848 178:1530 180:1249 181:98 182:999 183:240 184:522 185:1 186:2386 187:1142 188:1348 189:1857 190:5632 192:5971 193:5538 194:4544 195:3416 196:1212 197:162 198:3623 199:4758 200:5831 201:1963 202:8401 203:8528 204:4259 205:2516 206:2720 207:2720 208:4037 209:3589 210:2693 211:1530 212:2028 213:1928 214:872 215:82 216:5080 217:1565 218:542 219:304 220:1237 221:553 222:285 223:344

End of report