Routing Table Report 08:00 +10GMT Mon 01 Aug, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 359634
Prefixes after maximum aggregation: 163864
Deaggregation factor: 2.19
Unique aggregates announced to Internet: 181409
Total ASes present in the Internet Routing Table: 36869
Prefixes per ASN: 9.75
Origin-only ASes present in the Internet Routing Table: 31772
Origin ASes announcing only one prefix: 15306
Transit ASes present in the Internet Routing Table: 5097
Transit-only ASes present in the Internet Routing Table: 136
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 38
Max AS path prepend of ASN (22394) 31
Prefixes from unregistered ASNs in the Routing Table: 2367
Unregistered ASNs in the Routing Table: 650
Number of 32-bit ASNs allocated by the RIRs: 1606
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 2977
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 115
Number of addresses announced to Internet: 2505626112
Equivalent to 149 /8s, 88 /16s and 210 /24s
Percentage of available address space announced: 67.6
Percentage of allocated address space announced: 67.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.2
Total number of prefixes smaller than registry allocations: 148514
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 86724
Total APNIC prefixes after maximum aggregation: 29084
APNIC Deaggregation factor: 2.98
Prefixes being announced from the APNIC address blocks: 84177
Unique aggregates announced from the APNIC address blocks: 37648
APNIC Region origin ASes present in the Internet Routing Table: 4465
APNIC Prefixes per ASN: 18.85
APNIC Region origin ASes announcing only one prefix: 1260
APNIC Region transit ASes present in the Internet Routing Table: 679
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: 622016512
Equivalent to 37 /8s, 19 /16s and 56 /24s
Percentage of available APNIC address space announced: 78.9
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: 140596
Total ARIN prefixes after maximum aggregation: 72591
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 112731
Unique aggregates announced from the ARIN address blocks: 46740
ARIN Region origin ASes present in the Internet Routing Table: 14443
ARIN Prefixes per ASN: 7.81
ARIN Region origin ASes announcing only one prefix: 5549
ARIN Region transit ASes present in the Internet Routing Table: 1463
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 803211776
Equivalent to 47 /8s, 224 /16s and 10 /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: 87260
Total RIPE prefixes after maximum aggregation: 49400
RIPE Deaggregation factor: 1.77
Prefixes being announced from the RIPE address blocks: 80609
Unique aggregates announced from the RIPE address blocks: 53064
RIPE Region origin ASes present in the Internet Routing Table: 15821
RIPE Prefixes per ASN: 5.10
RIPE Region origin ASes announcing only one prefix: 7897
RIPE Region transit ASes present in the Internet Routing Table: 2501
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 38
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 484391424
Equivalent to 28 /8s, 223 /16s and 58 /24s
Percentage of available RIPE address space announced: 78.0
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
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: 33193
Total LACNIC prefixes after maximum aggregation: 7527
LACNIC Deaggregation factor: 4.41
Prefixes being announced from the LACNIC address blocks: 32604
Unique aggregates announced from the LACNIC address blocks: 17235
LACNIC Region origin ASes present in the Internet Routing Table: 1479
LACNIC Prefixes per ASN: 22.04
LACNIC Region origin ASes announcing only one prefix: 449
LACNIC Region transit ASes present in the Internet Routing Table: 264
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: 87205888
Equivalent to 5 /8s, 50 /16s and 168 /24s
Percentage of available LACNIC address space announced: 57.8
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: 8196
Total AfriNIC prefixes after maximum aggregation: 1980
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 6455
Unique aggregates announced from the AfriNIC address blocks: 2045
AfriNIC Region origin ASes present in the Internet Routing Table: 477
AfriNIC Prefixes per ASN: 13.53
AfriNIC Region origin ASes announcing only one prefix: 151
AfriNIC Region transit ASes present in the Internet Routing Table: 101
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 26903552
Equivalent to 1 /8s, 154 /16s and 132 /24s
Percentage of available AfriNIC address space announced: 40.1
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 1929 11038 644 Korea Telecom (KIX)
7545 1558 301 86 TPG Internet Pty Ltd
17974 1517 508 32 PT Telekomunikasi Indonesia
4755 1504 375 169 TATA Communications formerly
24560 1194 336 187 Bharti Airtel Ltd., Telemedia
9829 1094 929 42 National Internet Backbone
9583 1075 80 510 Sify Limited
17488 967 190 113 Hathway IP Over Cable Interne
7552 953 1062 11 Vietel Corporation
4808 950 2004 274 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 3620 3818 238 BellSouth.net Inc.
18566 1911 364 239 Covad Communications Co.
1785 1815 681 121 PaeTec Communications, Inc.
7029 1644 1031 209 Windstream Communications Inc
4323 1615 1098 402 tw telecom holdings, inc.
20115 1590 1538 623 Charter Communications
19262 1413 4792 392 Verizon Online LLC
22773 1405 2900 90 Cox Communications Inc.
7018 1371 7101 899 AT&T Services, Inc.
2386 1258 520 906 AT&T Data Communications Serv
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 511 1788 316 UPC Broadband
3292 468 2078 403 TDC Data Networks
20940 465 134 359 Akamai Technologies European
12479 456 593 7 France Telecom Espana SA
8866 454 133 26 Bulgarian Telecommunication C
29049 433 32 55 AzerSat LLC.
3320 424 8151 370 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 1565 288 167 Types of queries are: POCs, o
28573 1269 996 67 Types of queries are: POCs, o
8151 1250 2729 350 Uninet S.A. de C.V.
7303 1044 577 163 Telecom Argentina S.A.
6503 752 451 78 Axtel, S.A.B. de C.V.
14420 701 56 82 CORPORACION NACIONAL DE TELEC
22047 578 322 17 Types of queries are: POCs, o
3816 534 232 96 Types of queries are: POCs, o
7738 516 986 31 Telecomunicacoes da Bahia S.A
11172 501 100 86 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
8452 797 445 11 TEDATA
24863 795 147 34 LINKdotNET AS number
15475 514 74 8 Nile Online
36992 313 415 14 Etisalat MISR
3741 265 937 226 The Internet Solution
6713 260 519 14 Itissalat Al-MAGHRIB
33776 227 13 6 Starcomms Nigeria Limited
24835 177 78 10 RAYA Telecom - Egypt
29571 158 17 11 Ci Telecom Autonomous system
16637 150 697 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 3620 3818 238 BellSouth.net Inc.
23456 2977 718 1598 32-bit ASN transition
4766 1929 11038 644 Korea Telecom (KIX)
18566 1911 364 239 Covad Communications Co.
1785 1815 681 121 PaeTec Communications, Inc.
7029 1644 1031 209 Windstream Communications Inc
4323 1615 1098 402 tw telecom holdings, inc.
20115 1590 1538 623 Charter Communications
10620 1565 288 167 Types of queries are: POCs, o
7545 1558 301 86 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
1785 1815 1694 PaeTec Communications, Inc.
18566 1911 1672 Covad Communications Co.
17974 1517 1485 PT Telekomunikasi Indonesia
7545 1558 1472 TPG Internet Pty Ltd
7029 1644 1435 Windstream Communications Inc
10620 1565 1398 Types of queries are: POCs, o
23456 2977 1379 32-bit ASN transition
4755 1504 1335 TATA Communications formerly
22773 1405 1315 Cox Communications Inc.
4766 1929 1285 Korea Telecom (KIX)
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
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV
62.61.221.0/24 24974 Tachyon Europe BV
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 /8:21 /9:12 /10:27 /11:80 /12:234
/13:465 /14:798 /15:1404 /16:12022 /17:5876 /18:9780
/19:19616 /20:26234 /21:26225 /22:34692 /23:33564 /24:188080
/25:12 /26:19 /27:23 /28:153 /29:111 /30:59
/31:0 /32:127
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2242 3620 BellSouth.net Inc.
18566 1868 1911 Covad Communications Co.
23456 1469 2977 32-bit ASN transition
10620 1460 1565 Types of queries are: POCs, o
7029 1321 1644 Windstream Communications Inc
11492 1096 1142 CABLE ONE, INC.
7011 1057 1159 Frontier Communications of Am
1785 1053 1815 PaeTec Communications, Inc.
6478 967 995 AT&T Services, Inc.
22773 904 1405 Cox Communications Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:339 2:46 4:16 5:1 6:3 8:341
12:1963 13:1 14:482 15:15 16:3 17:5
20:10 23:16 24:1676 27:856 31:512 32:59
33:4 34:2 36:4 38:723 40:104 41:2555
42:36 44:3 46:1050 47:3 49:201 50:375
52:13 54:2 55:5 56:2 57:33 58:817
59:481 60:376 61:1020 62:1057 63:1934 64:3962
65:2299 66:3899 67:1889 68:1103 69:3033 70:776
71:373 72:1860 74:2435 75:327 76:340 77:864
78:703 79:484 80:1120 81:839 82:506 83:469
84:691 85:1065 86:518 87:765 88:334 89:1532
90:224 91:3994 92:527 93:1059 94:1334 95:866
96:415 97:263 98:913 99:37 101:78 103:163
106:79 107:27 108:73 109:1033 110:607 111:712
112:298 113:396 114:556 115:664 116:966 117:657
118:807 119:1167 120:312 121:647 122:1600 123:966
124:1276 125:1280 128:208 129:163 130:164 131:576
132:107 133:21 134:206 135:52 136:213 137:129
138:296 139:113 140:457 141:255 142:387 143:418
144:482 145:57 146:447 147:213 148:601 149:251
150:151 151:189 152:339 153:182 154:4 155:399
156:196 157:324 158:140 159:389 160:316 161:196
162:307 163:158 164:507 165:363 166:531 167:432
168:734 169:149 170:834 171:81 172:1 173:1619
174:610 175:373 176:148 177:185 178:996 180:873
181:26 182:501 183:234 184:341 185:1 186:1310
187:741 188:895 189:966 190:5019 192:5876 193:4982
194:3506 195:3064 196:1209 197:47 198:3533 199:3957
200:5478 201:1469 202:8203 203:8350 204:4168 205:2306
206:2579 207:2737 208:3982 209:3384 210:2598 211:1445
212:2103 213:1760 214:786 215:69 216:4866 217:1629
218:536 219:343 220:1196 221:478 222:310 223:229
End of report
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