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Routing Table Report 08:00 +10GMT Sun 26 Feb, 2012
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary ----------------
BGP routing table entries examined: 391937 Prefixes after maximum aggregation: 167982 Deaggregation factor: 2.33 Unique aggregates announced to Internet: 193422 Total ASes present in the Internet Routing Table: 38029 Prefixes per ASN: 10.31 Origin-only ASes present in the Internet Routing Table: 32752 Origin ASes announcing only one prefix: 15534 Transit ASes present in the Internet Routing Table: 5277 Transit-only ASes present in the Internet Routing Table: 131 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: 1130 Unregistered ASNs in the Routing Table: 194 Number of 32-bit ASNs allocated by the RIRs: 2294 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 4828 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 311 Number of addresses announced to Internet: 2538731776 Equivalent to 151 /8s, 81 /16s and 249 /24s Percentage of available address space announced: 68.5 Percentage of allocated address space announced: 68.5 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 92.0 Total number of prefixes smaller than registry allocations: 165162
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 92720 Total APNIC prefixes after maximum aggregation: 30362 APNIC Deaggregation factor: 3.05 Prefixes being announced from the APNIC address blocks: 90056 Unique aggregates announced from the APNIC address blocks: 39220 APNIC Region origin ASes present in the Internet Routing Table: 4609 APNIC Prefixes per ASN: 19.54 APNIC Region origin ASes announcing only one prefix: 1251 APNIC Region transit ASes present in the Internet Routing Table: 702 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 18 Number of APNIC region 32-bit ASNs visible in the Routing Table: 0 Number of APNIC addresses announced to Internet: 639870976 Equivalent to 38 /8s, 35 /16s and 168 /24s Percentage of available APNIC address space announced: 81.1
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: 147072 Total ARIN prefixes after maximum aggregation: 74817 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 119165 Unique aggregates announced from the ARIN address blocks: 49572 ARIN Region origin ASes present in the Internet Routing Table: 14847 ARIN Prefixes per ASN: 8.03 ARIN Region origin ASes announcing only one prefix: 5670 ARIN Region transit ASes present in the Internet Routing Table: 1510 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: 805437696 Equivalent to 48 /8s, 2 /16s and 1 /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: 99879 Total RIPE prefixes after maximum aggregation: 52660 RIPE Deaggregation factor: 1.90 Prefixes being announced from the RIPE address blocks: 91566 Unique aggregates announced from the RIPE address blocks: 56767 RIPE Region origin ASes present in the Internet Routing Table: 16321 RIPE Prefixes per ASN: 5.61 RIPE Region origin ASes announcing only one prefix: 8010 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: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 501129216 Equivalent to 29 /8s, 222 /16s and 160 /24s Percentage of available RIPE address space announced: 80.7
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: 38086 Total LACNIC prefixes after maximum aggregation: 7958 LACNIC Deaggregation factor: 4.79 Prefixes being announced from the LACNIC address blocks: 37915 Unique aggregates announced from the LACNIC address blocks: 19555 LACNIC Region origin ASes present in the Internet Routing Table: 1562 LACNIC Prefixes per ASN: 24.27 LACNIC Region origin ASes announcing only one prefix: 443 LACNIC Region transit ASes present in the Internet Routing Table: 282 Average LACNIC Region AS path length visible: 4.0 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: 97402112 Equivalent to 5 /8s, 206 /16s and 61 /24s Percentage of available LACNIC address space announced: 64.5
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: 8628 Total AfriNIC prefixes after maximum aggregation: 2092 AfriNIC Deaggregation factor: 4.12 Prefixes being announced from the AfriNIC address blocks: 6655 Unique aggregates announced from the AfriNIC address blocks: 2102 AfriNIC Region origin ASes present in the Internet Routing Table: 502 AfriNIC Prefixes per ASN: 13.26 AfriNIC Region origin ASes announcing only one prefix: 160 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: 31024640 Equivalent to 1 /8s, 217 /16s and 102 /24s Percentage of available AfriNIC address space announced: 46.2
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 1923 11104 679 Korea Telecom (KIX) 7545 1639 303 88 TPG Internet Pty Ltd 17974 1639 503 36 PT Telekomunikasi Indonesia 4755 1543 386 160 TATA Communications formerly 9829 1182 997 29 National Internet Backbone 9583 1129 84 483 Sify Limited 7552 1103 1062 11 Vietel Corporation 24560 1010 385 167 Bharti Airtel Ltd., Telemedia 4808 976 1946 278 CNCGROUP IP network China169 18101 950 130 155 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 3449 1040 172 Windstream Communications Inc 6389 3433 3807 200 BellSouth.net Inc. 18566 2092 382 177 Covad Communications Co. 1785 1875 680 125 PaeTec Communications, Inc. 20115 1628 1551 630 Charter Communications 4323 1606 1075 381 tw telecom holdings, inc. 22773 1535 2910 110 Cox Communications Inc. 30036 1415 253 743 Mediacom Communications Corp 19262 1388 4703 398 Verizon Online LLC 7018 1308 6996 853 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 8402 1655 480 15 Corbina telecom 2118 1398 97 13 EUnet/RELCOM Autonomous Syste 15557 1099 2184 60 NEUF CEGETEL (formerly LDCOM 34984 655 188 172 BILISIM TELEKOM 6830 644 1927 413 UPC Broadband 20940 619 202 480 Akamai Technologies European 12479 604 644 55 France Telecom Espana SA 8551 599 360 81 Bezeq International 9116 541 326 32 Goldenlines main autonomous s 31148 541 37 9 FreeNet ISP
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 1751 324 171 Types of queries are: POCs, o 28573 1673 1088 62 Types of queries are: POCs, o 8151 1340 2991 342 Uninet S.A. de C.V. 7303 1328 822 186 Telecom Argentina S.A. 26615 858 672 33 Tim Celular S.A. 27947 639 67 108 Telconet S.A 11172 634 107 73 Alestra, S. de R.L. de C.V. 22047 581 322 17 Types of queries are: POCs, o 6503 565 418 67 Axtel, S.A.B. de C.V. 3816 559 239 93 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 1255 958 13 TEDATA 24863 830 274 34 LINKdotNET AS number 6713 489 649 18 Itissalat Al-MAGHRIB 3741 277 923 228 The Internet Solution 15706 227 32 6 Sudatel Internet Exchange Aut 29571 214 17 12 Ci Telecom Autonomous system 12258 197 28 62 Vodacom Internet Company 24835 194 80 8 RAYA Telecom - Egypt 33776 182 12 20 Starcomms Nigeria Limited 36923 157 20 4 Swift Networks Limited
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 3449 1040 172 Windstream Communications Inc 6389 3433 3807 200 BellSouth.net Inc. 18566 2092 382 177 Covad Communications Co. 4766 1923 11104 679 Korea Telecom (KIX) 1785 1875 680 125 PaeTec Communications, Inc. 10620 1751 324 171 Types of queries are: POCs, o 28573 1673 1088 62 Types of queries are: POCs, o 8402 1655 480 15 Corbina telecom 7545 1639 303 88 TPG Internet Pty Ltd 17974 1639 503 36 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 6389 3433 3233 BellSouth.net Inc. 18566 2092 1915 Covad Communications Co. 1785 1875 1750 PaeTec Communications, Inc. 8402 1655 1640 Corbina telecom 28573 1673 1611 Types of queries are: POCs, o 17974 1639 1603 PT Telekomunikasi Indonesia 10620 1751 1580 Types of queries are: POCs, o 7545 1639 1551 TPG Internet Pty Ltd 22773 1535 1425 Cox Communications Inc. 2118 1398 1385 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 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. 25639 UNALLOCATED 12.41.169.0/24 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 23.27.0.0/16 18779 Guru.com 27.112.114.0/24 23884 Proimage Engineering and Comm
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 /12:233 /13:458 /14:813 /15:1472 /16:12102 /17:6192 /18:10325 /19:20491 /20:28287 /21:28964 /22:39345 /23:36786 /24:205783 /25:11 /26:21 /27:20 /28:151 /29:137 /30:67 /31:0 /32:138
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 3086 3449 Windstream Communications Inc 6389 2106 3433 BellSouth.net Inc. 18566 2041 2092 Covad Communications Co. 10620 1648 1751 Types of queries are: POCs, o 8402 1634 1655 Corbina telecom 30036 1365 1415 Mediacom Communications Corp 11492 1121 1158 CABLE ONE, INC. 1785 1064 1875 PaeTec Communications, Inc. 8452 1063 1255 TEDATA 15557 1046 1099 NEUF CEGETEL (formerly LDCOM
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:502 2:640 4:14 6:3 8:386 12:1960 13:1 14:590 15:11 16:3 17:7 20:8 23:134 24:1731 27:1192 31:939 32:60 33:2 34:2 36:9 37:204 38:763 40:116 41:2911 42:113 44:3 46:1347 47:3 49:334 50:510 52:13 54:2 55:7 56:3 57:35 58:920 59:483 60:333 61:1086 62:959 63:2000 64:4097 65:2277 66:4463 67:2032 68:1172 69:3161 70:908 71:406 72:1791 74:2645 75:470 76:319 77:967 78:968 79:493 80:1220 81:878 82:633 83:527 84:588 85:1159 86:736 87:914 88:334 89:1567 90:282 91:4510 92:510 93:1353 94:1387 95:1110 96:417 97:311 98:833 99:38 100:4 101:153 103:824 106:65 107:162 108:177 109:1540 110:704 111:853 112:423 113:529 114:602 115:774 116:857 117:702 118:903 119:1247 120:363 121:661 122:1581 123:1080 124:1294 125:1311 128:500 129:182 130:211 131:587 132:163 133:21 134:224 135:62 136:211 137:181 138:268 139:144 140:466 141:259 142:376 143:406 144:508 145:69 146:480 147:240 148:714 149:299 150:156 151:198 152:445 153:171 154:6 155:410 156:207 157:337 158:164 159:441 160:318 161:227 162:339 163:178 164:527 165:394 166:558 167:460 168:759 169:147 170:839 171:117 172:4 173:1725 174:601 175:420 176:512 177:509 178:1280 180:1176 181:68 182:726 183:283 184:434 185:1 186:2017 187:861 188:1084 189:1192 190:5452 192:5937 193:5544 194:4342 195:3388 196:1256 197:165 198:3572 199:4369 200:5604 201:1733 202:8161 203:8552 204:4280 205:2401 206:2651 207:2719 208:4054 209:3523 210:2690 211:1449 212:2025 213:1837 214:770 215:99 216:4994 217:1495 218:534 219:333 220:1225 221:546 222:297 223:300
End of report
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