Orbit

Routing Table Report 08:00 +10GMT Sat 31 Mar, 2012

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

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

BGP routing table entries examined: 397125 Prefixes after maximum aggregation: 169580 Deaggregation factor: 2.34 Unique aggregates announced to Internet: 195823 Total ASes present in the Internet Routing Table: 38244 Prefixes per ASN: 10.38 Origin-only ASes present in the Internet Routing Table: 32980 Origin ASes announcing only one prefix: 15506 Transit ASes present in the Internet Routing Table: 5264 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: 24 Max AS path prepend of ASN (36992) 22 Prefixes from unregistered ASNs in the Routing Table: 1407 Unregistered ASNs in the Routing Table: 356 Number of 32-bit ASNs allocated by the RIRs: 2342 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 5248 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 1275 Number of addresses announced to Internet: 2549398272 Equivalent to 151 /8s, 244 /16s and 187 /24s Percentage of available address space announced: 68.8 Percentage of allocated address space announced: 68.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 92.1 Total number of prefixes smaller than registry allocations: 167264

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

Prefixes being announced by APNIC Region ASes: 93263 Total APNIC prefixes after maximum aggregation: 30695 APNIC Deaggregation factor: 3.04 Prefixes being announced from the APNIC address blocks: 90676 Unique aggregates announced from the APNIC address blocks: 39268 APNIC Region origin ASes present in the Internet Routing Table: 4635 APNIC Prefixes per ASN: 19.56 APNIC Region origin ASes announcing only one prefix: 1265 APNIC Region transit ASes present in the Internet Routing Table: 706 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 0 Number of APNIC addresses announced to Internet: 642222336 Equivalent to 38 /8s, 71 /16s and 137 /24s Percentage of available APNIC address space announced: 81.4

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: 148047 Total ARIN prefixes after maximum aggregation: 75340 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 119701 Unique aggregates announced from the ARIN address blocks: 49964 ARIN Region origin ASes present in the Internet Routing Table: 14878 ARIN Prefixes per ASN: 8.05 ARIN Region origin ASes announcing only one prefix: 5682 ARIN Region transit ASes present in the Internet Routing Table: 1503 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 16 Number of ARIN region 32-bit ASNs visible in the Routing Table: 0 Number of ARIN addresses announced to Internet: 805167872 Equivalent to 47 /8s, 253 /16s and 227 /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: 101152 Total RIPE prefixes after maximum aggregation: 53171 RIPE Deaggregation factor: 1.90 Prefixes being announced from the RIPE address blocks: 92477 Unique aggregates announced from the RIPE address blocks: 57227 RIPE Region origin ASes present in the Internet Routing Table: 16342 RIPE Prefixes per ASN: 5.66 RIPE Region origin ASes announcing only one prefix: 7960 RIPE Region transit ASes present in the Internet Routing Table: 2587 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 24 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 502198272 Equivalent to 29 /8s, 238 /16s and 240 /24s Percentage of available RIPE address space announced: 80.9

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: 39527 Total LACNIC prefixes after maximum aggregation: 8014 LACNIC Deaggregation factor: 4.93 Prefixes being announced from the LACNIC address blocks: 39230 Unique aggregates announced from the LACNIC address blocks: 19754 LACNIC Region origin ASes present in the Internet Routing Table: 1560 LACNIC Prefixes per ASN: 25.15 LACNIC Region origin ASes announcing only one prefix: 435 LACNIC Region transit ASes present in the Internet Routing Table: 282 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 17 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0 Number of LACNIC addresses announced to Internet: 98680064 Equivalent to 5 /8s, 225 /16s and 189 /24s Percentage of available LACNIC address space announced: 65.4

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: 8853 Total AfriNIC prefixes after maximum aggregation: 2111 AfriNIC Deaggregation factor: 4.19 Prefixes being announced from the AfriNIC address blocks: 6939 Unique aggregates announced from the AfriNIC address blocks: 2160 AfriNIC Region origin ASes present in the Internet Routing Table: 522 AfriNIC Prefixes per ASN: 13.29 AfriNIC Region origin ASes announcing only one prefix: 164 AfriNIC Region transit ASes present in the Internet Routing Table: 114 Average AfriNIC Region AS path length visible: 3.5 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: 31523328 Equivalent to 1 /8s, 225 /16s and 2 /24s Percentage of available AfriNIC address space announced: 47.0

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 1916 11106 679 Korea Telecom (KIX) 17974 1706 502 62 PT Telekomunikasi Indonesia 7545 1653 301 89 TPG Internet Pty Ltd 4755 1554 385 157 TATA Communications formerly 9583 1234 94 539 Sify Limited 9829 1208 1025 29 National Internet Backbone 7552 1108 1062 11 Vietel Corporation 24560 1018 385 167 Bharti Airtel Ltd., Telemedia 4808 985 1947 284 CNCGROUP IP network China169 18101 932 129 153 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 7029 3409 1016 168 Windstream Communications Inc 6389 3380 3807 197 BellSouth.net Inc. 18566 2093 383 179 Covad Communications Co. 1785 1891 680 128 PaeTec Communications, Inc. 20115 1632 1559 624 Charter Communications 4323 1598 1076 382 tw telecom holdings, inc. 22773 1551 2910 111 Cox Communications Inc. 30036 1414 256 744 Mediacom Communications Corp 7018 1288 9807 837 AT&T Services, Inc. 11492 1184 216 364 CABLE ONE, 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 8402 1699 544 16 Corbina telecom 2118 1427 97 13 EUnet/RELCOM Autonomous Syste 31148 677 37 9 FreeNet ISP 34984 673 188 174 BILISIM TELEKOM 12479 652 658 57 France Telecom Espana SA 6830 641 1943 412 UPC Broadband 20940 632 205 497 Akamai Technologies European 9116 541 326 32 Goldenlines main autonomous s 3320 532 8442 398 Deutsche Telekom AG 8551 503 360 81 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 1817 330 131 Types of queries are: POCs, o 28573 1744 1105 60 Types of queries are: POCs, o 7303 1353 827 189 Telecom Argentina S.A. 8151 1349 2999 340 Uninet S.A. de C.V. 6503 1337 418 66 Axtel, S.A.B. de C.V. 26615 903 700 28 Tim Celular S.A. 27947 665 74 100 Telconet S.A 11172 638 107 74 Alestra, S. de R.L. de C.V. 22047 584 326 15 Types of queries are: POCs, o 3816 571 242 100 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 1294 958 13 TEDATA 24863 845 274 32 LINKdotNET AS number 6713 493 649 18 Itissalat Al-MAGHRIB 3741 272 924 229 The Internet Solution 33776 208 12 21 Starcomms Nigeria Limited 12258 197 28 62 Vodacom Internet Company 24835 178 80 8 RAYA Telecom - Egypt 15706 168 32 6 Sudatel Internet Exchange Aut 16637 161 664 84 MTN Network Solutions 29571 159 15 16 Ci Telecom Autonomous system

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 7029 3409 1016 168 Windstream Communications Inc 6389 3380 3807 197 BellSouth.net Inc. 18566 2093 383 179 Covad Communications Co. 4766 1916 11106 679 Korea Telecom (KIX) 1785 1891 680 128 PaeTec Communications, Inc. 10620 1817 330 131 Types of queries are: POCs, o 28573 1744 1105 60 Types of queries are: POCs, o 17974 1706 502 62 PT Telekomunikasi Indonesia 8402 1699 544 16 Corbina telecom 7545 1653 301 89 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 6389 3380 3183 BellSouth.net Inc. 18566 2093 1914 Covad Communications Co. 1785 1891 1763 PaeTec Communications, Inc. 10620 1817 1686 Types of queries are: POCs, o 28573 1744 1684 Types of queries are: POCs, o 8402 1699 1683 Corbina telecom 17974 1706 1644 PT Telekomunikasi Indonesia 7545 1653 1564 TPG Internet Pty Ltd 22773 1551 1440 Cox Communications Inc. 2118 1427 1414 EUnet/RELCOM Autonomous Syste

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

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

Bad AS Designation Network Transit AS Description 54439 UNALLOCATED 8.25.174.0/24 3356 Level 3 Communicatio 54470 UNALLOCATED 8.30.171.0/24 3356 Level 3 Communicatio 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.

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 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 14.192.24.0/22 45464 Room 201, TGU Bldg 14.192.28.0/22 45464 Room 201, TGU Bldg 23.27.0.0/20 54500 EGIHosting 23.27.16.0/20 54500 EGIHosting

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 /9:12 /10:28 /11:81 /12:236 /13:457 /14:831 /15:1482 /16:12140 /17:6263 /18:10376 /19:20571 /20:28584 /21:29406 /22:39827 /23:37174 /24:209080 /25:11 /26:21 /27:20 /28:153 /29:144 /30:67 /31:0 /32:141

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

ASN No of nets Total ann. Description 7029 3054 3409 Windstream Communications Inc 6389 2095 3380 BellSouth.net Inc. 18566 2042 2093 Covad Communications Co. 10620 1707 1817 Types of queries are: POCs, o 8402 1676 1699 Corbina telecom 30036 1358 1414 Mediacom Communications Corp 11492 1147 1184 CABLE ONE, INC. 6503 1108 1337 Axtel, S.A.B. de C.V. 8452 1102 1294 TEDATA 1785 1067 1891 PaeTec Communications, Inc.

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

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

1:529 2:695 4:14 6:3 8:394 12:1986 13:1 14:599 15:12 16:3 17:7 20:8 23:158 24:1749 27:1252 31:954 32:53 33:2 34:2 36:8 37:314 38:781 40:120 41:3075 42:129 44:3 46:1455 47:3 49:340 50:536 52:13 54:6 55:10 56:3 57:30 58:919 59:487 60:275 61:1097 62:970 63:1991 64:4174 65:2269 66:4485 67:2022 68:1145 69:3183 70:908 71:465 72:1817 74:2592 75:493 76:317 77:950 78:1002 79:494 80:1210 81:899 82:671 83:547 84:516 85:1195 86:416 87:903 88:342 89:1625 90:297 91:4660 92:517 93:1367 94:1462 95:1158 96:372 97:316 98:845 99:37 100:7 101:163 103:912 106:65 107:180 108:215 109:1256 110:740 111:899 112:433 113:577 114:645 115:773 116:883 117:704 118:905 119:1186 120:348 121:674 122:1625 123:1096 124:1294 125:1259 128:526 129:185 130:250 131:592 132:165 133:21 134:232 135:62 136:210 137:173 138:351 139:144 140:468 141:243 142:368 143:394 144:503 145:66 146:480 147:243 148:735 149:297 150:147 151:176 152:458 153:172 154:6 155:444 156:212 157:335 158:176 159:453 160:341 161:230 162:340 163:180 164:551 165:388 166:561 167:464 168:811 169:126 170:843 171:125 172:4 173:1725 174:582 175:424 176:455 177:606 178:1311 180:1191 181:74 182:752 183:279 184:445 185:1 186:2129 187:1005 188:1158 189:1683 190:5509 192:5958 193:5612 194:4621 195:3589 196:1260 197:123 198:3567 199:4441 200:5704 201:1898 202:8197 203:8479 204:4265 205:2455 206:2662 207:2712 208:4042 209:3582 210:2681 211:1445 212:2023 213:1904 214:876 215:108 216:5054 217:1527 218:522 219:320 220:1224 221:541 222:297 223:315

End of report