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Routing Table Report 08:00 +10GMT Fri 02 Mar, 2012
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary ----------------
BGP routing table entries examined: 392811 Prefixes after maximum aggregation: 168268 Deaggregation factor: 2.33 Unique aggregates announced to Internet: 193828 Total ASes present in the Internet Routing Table: 38057 Prefixes per ASN: 10.32 Origin-only ASes present in the Internet Routing Table: 32796 Origin ASes announcing only one prefix: 15530 Transit ASes present in the Internet Routing Table: 5261 Transit-only ASes present in the Internet Routing Table: 130 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: 1141 Unregistered ASNs in the Routing Table: 203 Number of 32-bit ASNs allocated by the RIRs: 2303 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 4855 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 413 Number of addresses announced to Internet: 2540704000 Equivalent to 151 /8s, 112 /16s and 17 /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: 165468
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 92802 Total APNIC prefixes after maximum aggregation: 30454 APNIC Deaggregation factor: 3.05 Prefixes being announced from the APNIC address blocks: 90161 Unique aggregates announced from the APNIC address blocks: 39340 APNIC Region origin ASes present in the Internet Routing Table: 4607 APNIC Prefixes per ASN: 19.57 APNIC Region origin ASes announcing only one prefix: 1253 APNIC Region transit ASes present in the Internet Routing Table: 705 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: 641051904 Equivalent to 38 /8s, 53 /16s and 173 /24s Percentage of available APNIC address space announced: 81.3
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: 147293 Total ARIN prefixes after maximum aggregation: 74952 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 119257 Unique aggregates announced from the ARIN address blocks: 49646 ARIN Region origin ASes present in the Internet Routing Table: 14858 ARIN Prefixes per ASN: 8.03 ARIN Region origin ASes announcing only one prefix: 5675 ARIN Region transit ASes present in the Internet Routing Table: 1511 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: 805476352 Equivalent to 48 /8s, 2 /16s and 152 /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: 100125 Total RIPE prefixes after maximum aggregation: 52701 RIPE Deaggregation factor: 1.90 Prefixes being announced from the RIPE address blocks: 91672 Unique aggregates announced from the RIPE address blocks: 56662 RIPE Region origin ASes present in the Internet Routing Table: 16322 RIPE Prefixes per ASN: 5.62 RIPE Region origin ASes announcing only one prefix: 8006 RIPE Region transit ASes present in the Internet Routing Table: 2575 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: 501086720 Equivalent to 29 /8s, 221 /16s and 250 /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: 38196 Total LACNIC prefixes after maximum aggregation: 7961 LACNIC Deaggregation factor: 4.80 Prefixes being announced from the LACNIC address blocks: 38055 Unique aggregates announced from the LACNIC address blocks: 19667 LACNIC Region origin ASes present in the Internet Routing Table: 1561 LACNIC Prefixes per ASN: 24.38 LACNIC Region origin ASes announcing only one prefix: 435 LACNIC Region transit ASes present in the Internet Routing Table: 277 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: 97664512 Equivalent to 5 /8s, 210 /16s and 62 /24s Percentage of available LACNIC address space announced: 64.7
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: 8809 Total AfriNIC prefixes after maximum aggregation: 2096 AfriNIC Deaggregation factor: 4.20 Prefixes being announced from the AfriNIC address blocks: 6847 Unique aggregates announced from the AfriNIC address blocks: 2123 AfriNIC Region origin ASes present in the Internet Routing Table: 512 AfriNIC Prefixes per ASN: 13.37 AfriNIC Region origin ASes announcing only one prefix: 161 AfriNIC Region transit ASes present in the Internet Routing Table: 118 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: 31553024 Equivalent to 1 /8s, 225 /16s and 118 /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 1924 11104 679 Korea Telecom (KIX) 17974 1652 503 37 PT Telekomunikasi Indonesia 7545 1643 303 88 TPG Internet Pty Ltd 4755 1544 386 160 TATA Communications formerly 9829 1180 997 29 National Internet Backbone 9583 1131 83 481 Sify Limited 7552 1101 1062 11 Vietel Corporation 24560 1009 385 167 Bharti Airtel Ltd., Telemedia 4808 977 1946 279 CNCGROUP IP network China169 18101 951 131 156 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 3431 3807 199 BellSouth.net Inc. 18566 2091 382 177 Covad Communications Co. 1785 1876 680 126 PaeTec Communications, Inc. 20115 1630 1550 632 Charter Communications 4323 1608 1075 383 tw telecom holdings, inc. 22773 1537 2910 110 Cox Communications Inc. 30036 1423 255 736 Mediacom Communications Corp 19262 1388 4703 398 Verizon Online LLC 7018 1289 6995 848 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 1670 480 15 Corbina telecom 2118 1421 97 13 EUnet/RELCOM Autonomous Syste 15557 1088 2184 60 NEUF CEGETEL (formerly LDCOM 34984 656 188 170 BILISIM TELEKOM 6830 642 1927 413 UPC Broadband 20940 621 202 481 Akamai Technologies European 12479 606 644 55 France Telecom Espana SA 8551 601 360 81 Bezeq International 9116 541 326 32 Goldenlines main autonomous s 31148 540 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 1756 325 174 Types of queries are: POCs, o 28573 1686 1088 63 Types of queries are: POCs, o 8151 1344 2994 340 Uninet S.A. de C.V. 7303 1328 822 186 Telecom Argentina S.A. 26615 898 672 33 Tim Celular S.A. 27947 644 68 107 Telconet S.A 11172 636 107 73 Alestra, S. de R.L. de C.V. 22047 580 322 17 Types of queries are: POCs, o 6503 565 418 67 Axtel, S.A.B. de C.V. 3816 563 240 89 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 1249 958 13 TEDATA 24863 831 274 34 LINKdotNET AS number 6713 491 649 18 Itissalat Al-MAGHRIB 3741 277 923 228 The Internet Solution 15706 227 32 6 Sudatel Internet Exchange Aut 29571 211 16 10 Ci Telecom Autonomous system 12258 197 28 62 Vodacom Internet Company 24835 194 80 8 RAYA Telecom - Egypt 33776 168 12 19 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 3431 3807 199 BellSouth.net Inc. 18566 2091 382 177 Covad Communications Co. 4766 1924 11104 679 Korea Telecom (KIX) 1785 1876 680 126 PaeTec Communications, Inc. 10620 1756 325 174 Types of queries are: POCs, o 28573 1686 1088 63 Types of queries are: POCs, o 8402 1670 480 15 Corbina telecom 17974 1652 503 37 PT Telekomunikasi Indonesia 7545 1643 303 88 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 3431 3232 BellSouth.net Inc. 18566 2091 1914 Covad Communications Co. 1785 1876 1750 PaeTec Communications, Inc. 8402 1670 1655 Corbina telecom 28573 1686 1623 Types of queries are: POCs, o 17974 1652 1615 PT Telekomunikasi Indonesia 10620 1756 1582 Types of queries are: POCs, o 7545 1643 1555 TPG Internet Pty Ltd 22773 1537 1427 Cox Communications Inc. 2118 1421 1408 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 23.27.0.0/20 18779 Guru.com 23.27.0.0/16 18779 Guru.com
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 /12:234 /13:458 /14:814 /15:1472 /16:12113 /17:6207 /18:10342 /19:20491 /20:28342 /21:29003 /22:39310 /23:36787 /24:206558 /25:11 /26:21 /27:20 /28:152 /29:136 /30:63 /31:0 /32:136
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 3087 3449 Windstream Communications Inc 6389 2104 3431 BellSouth.net Inc. 18566 2040 2091 Covad Communications Co. 10620 1653 1756 Types of queries are: POCs, o 8402 1649 1670 Corbina telecom 30036 1373 1423 Mediacom Communications Corp 11492 1124 1161 CABLE ONE, INC. 1785 1064 1876 PaeTec Communications, Inc. 8452 1059 1249 TEDATA 7011 1040 1156 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:521 2:677 4:14 6:3 8:390 12:1964 13:1 14:599 15:11 16:3 17:7 20:8 23:135 24:1732 27:1197 31:983 32:60 33:2 34:2 36:9 37:213 38:773 40:116 41:3018 42:120 44:3 46:1366 47:3 49:333 50:510 52:13 54:5 55:8 56:3 57:35 58:928 59:487 60:284 61:1086 62:968 63:2003 64:4100 65:2280 66:4456 67:2033 68:1164 69:3149 70:908 71:409 72:1790 74:2644 75:470 76:319 77:972 78:962 79:489 80:1211 81:885 82:630 83:539 84:589 85:1157 86:732 87:914 88:329 89:1567 90:284 91:4518 92:516 93:1374 94:1377 95:1100 96:416 97:315 98:818 99:38 100:5 101:154 103:836 106:61 107:166 108:178 109:1523 110:724 111:859 112:425 113:531 114:608 115:783 116:859 117:703 118:901 119:1247 120:363 121:702 122:1579 123:1074 124:1302 125:1318 128:500 129:182 130:257 131:588 132:163 133:21 134:224 135:62 136:210 137:181 138:268 139:142 140:469 141:263 142:374 143:400 144:512 145:69 146:477 147:252 148:705 149:299 150:151 151:198 152:446 153:171 154:6 155:415 156:209 157:338 158:162 159:444 160:320 161:227 162:340 163:177 164:526 165:395 166:558 167:458 168:803 169:147 170:839 171:119 172:4 173:1724 174:600 175:419 176:516 177:529 178:1285 180:1184 181:68 182:735 183:282 184:434 185:1 186:2074 187:839 188:1058 189:1202 190:5457 192:5945 193:5574 194:4350 195:3400 196:1268 197:169 198:3584 199:4385 200:5630 201:1741 202:8166 203:8578 204:4283 205:2429 206:2656 207:2720 208:4049 209:3530 210:2684 211:1453 212:1987 213:1875 214:833 215:92 216:5006 217:1515 218:530 219:329 220:1225 221:547 222:295 223:304
End of report
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