Routing Table Report 08:00 +10GMT Thu 08 Sep, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 364604
Prefixes after maximum aggregation: 165382
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 183526
Total ASes present in the Internet Routing Table: 37145
Prefixes per ASN: 9.82
Origin-only ASes present in the Internet Routing Table: 32048
Origin ASes announcing only one prefix: 15421
Transit ASes present in the Internet Routing Table: 5097
Transit-only ASes present in the Internet Routing Table: 125
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 36
Max AS path prepend of ASN (22394) 33
Prefixes from unregistered ASNs in the Routing Table: 2555
Unregistered ASNs in the Routing Table: 767
Number of 32-bit ASNs allocated by the RIRs: 1708
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 3215
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 99
Number of addresses announced to Internet: 2490284800
Equivalent to 148 /8s, 110 /16s and 187 /24s
Percentage of available address space announced: 67.2
Percentage of allocated address space announced: 67.2
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: 150584
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 88485
Total APNIC prefixes after maximum aggregation: 29368
APNIC Deaggregation factor: 3.01
Prefixes being announced from the APNIC address blocks: 85930
Unique aggregates announced from the APNIC address blocks: 38052
APNIC Region origin ASes present in the Internet Routing Table: 4501
APNIC Prefixes per ASN: 19.09
APNIC Region origin ASes announcing only one prefix: 1262
APNIC Region transit ASes present in the Internet Routing Table: 683
Average APNIC Region AS path length visible: 3.9
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: 625150464
Equivalent to 37 /8s, 67 /16s and 10 /24s
Percentage of available APNIC address space announced: 79.3
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: 141745
Total ARIN prefixes after maximum aggregation: 72858
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 113937
Unique aggregates announced from the ARIN address blocks: 47279
ARIN Region origin ASes present in the Internet Routing Table: 14558
ARIN Prefixes per ASN: 7.83
ARIN Region origin ASes announcing only one prefix: 5616
ARIN Region transit ASes present in the Internet Routing Table: 1468
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 36
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 804124160
Equivalent to 47 /8s, 237 /16s and 246 /24s
Percentage of available ARIN address space announced: 63.9
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: 88296
Total RIPE prefixes after maximum aggregation: 49931
RIPE Deaggregation factor: 1.77
Prefixes being announced from the RIPE address blocks: 81389
Unique aggregates announced from the RIPE address blocks: 53765
RIPE Region origin ASes present in the Internet Routing Table: 15925
RIPE Prefixes per ASN: 5.11
RIPE Region origin ASes announcing only one prefix: 7940
RIPE Region transit ASes present in the Internet Routing Table: 2508
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 488410624
Equivalent to 29 /8s, 28 /16s and 142 /24s
Percentage of available RIPE address space announced: 78.7
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: 33836
Total LACNIC prefixes after maximum aggregation: 7634
LACNIC Deaggregation factor: 4.43
Prefixes being announced from the LACNIC address blocks: 33314
Unique aggregates announced from the LACNIC address blocks: 17606
LACNIC Region origin ASes present in the Internet Routing Table: 1506
LACNIC Prefixes per ASN: 22.12
LACNIC Region origin ASes announcing only one prefix: 452
LACNIC Region transit ASes present in the Internet Routing Table: 261
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: 88218624
Equivalent to 5 /8s, 66 /16s and 28 /24s
Percentage of available LACNIC address space announced: 58.4
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: 8332
Total AfriNIC prefixes after maximum aggregation: 2064
AfriNIC Deaggregation factor: 4.04
Prefixes being announced from the AfriNIC address blocks: 6427
Unique aggregates announced from the AfriNIC address blocks: 2001
AfriNIC Region origin ASes present in the Internet Routing Table: 481
AfriNIC Prefixes per ASN: 13.36
AfriNIC Region origin ASes announcing only one prefix: 151
AfriNIC Region transit ASes present in the Internet Routing Table: 103
Average AfriNIC Region AS path length visible: 3.3
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: 27328000
Equivalent to 1 /8s, 160 /16s and 254 /24s
Percentage of available AfriNIC address space announced: 40.7
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 1942 11038 647 Korea Telecom (KIX)
17974 1672 516 31 PT Telekomunikasi Indonesia
7545 1577 301 82 TPG Internet Pty Ltd
4755 1538 374 166 TATA Communications formerly
24560 1177 336 193 Bharti Airtel Ltd., Telemedia
9829 1152 989 28 National Internet Backbone
9583 1073 79 503 Sify Limited
7552 992 1062 11 Vietel Corporation
17488 986 191 158 Hathway IP Over Cable Interne
4808 962 2005 273 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 3564 3817 227 BellSouth.net Inc.
18566 1910 364 235 Covad Communications Co.
1785 1826 680 122 PaeTec Communications, Inc.
4323 1624 1101 396 tw telecom holdings, inc.
7029 1621 1033 209 Windstream Communications Inc
20115 1591 1541 632 Charter Communications
22773 1447 2905 98 Cox Communications Inc.
19262 1393 4724 399 Verizon Online LLC
7018 1344 7084 884 AT&T Services, Inc.
30036 1321 242 686 Mediacom Communications Corp
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
34984 543 107 178 BILISIM TELEKOM
9116 540 326 31 Goldenlines main autonomous s
6830 522 1811 321 UPC Broadband
20940 494 152 386 Akamai Technologies European
3292 468 2079 403 TDC Data Networks
12479 467 593 7 France Telecom Espana SA
8866 461 133 26 Bulgarian Telecommunication C
3320 430 8152 374 Deutsche Telekom AG
29049 424 31 55 AzerSat LLC.
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 1643 301 156 Types of queries are: POCs, o
28573 1284 1002 83 Types of queries are: POCs, o
8151 1271 2781 350 Uninet S.A. de C.V.
7303 1051 578 166 Telecom Argentina S.A.
14420 715 57 88 CORPORACION NACIONAL DE TELEC
22047 579 322 17 Types of queries are: POCs, o
6503 575 450 69 Axtel, S.A.B. de C.V.
27947 553 56 77 Telconet S.A
3816 532 231 101 Types of queries are: POCs, o
7738 515 986 31 Telecomunicacoes da Bahia S.A
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
24863 809 147 41 LINKdotNET AS number
8452 643 445 11 TEDATA
15475 512 74 8 Nile Online
36992 303 415 14 Etisalat MISR
3741 267 938 228 The Internet Solution
6713 242 519 14 Itissalat Al-MAGHRIB
15706 219 32 6 Sudatel Internet Exchange Aut
33776 207 13 14 Starcomms Nigeria Limited
12258 194 28 63 Vodacom Internet Company
24835 181 70 12 RAYA Telecom - Egypt
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 3564 3817 227 BellSouth.net Inc.
23456 3215 761 1720 32-bit ASN transition
4766 1942 11038 647 Korea Telecom (KIX)
18566 1910 364 235 Covad Communications Co.
1785 1826 680 122 PaeTec Communications, Inc.
17974 1672 516 31 PT Telekomunikasi Indonesia
10620 1643 301 156 Types of queries are: POCs, o
4323 1624 1101 396 tw telecom holdings, inc.
7029 1621 1033 209 Windstream Communications Inc
20115 1591 1541 632 Charter Communications
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 1826 1704 PaeTec Communications, Inc.
18566 1910 1675 Covad Communications Co.
17974 1672 1641 PT Telekomunikasi Indonesia
23456 3215 1495 32-bit ASN transition
7545 1577 1495 TPG Internet Pty Ltd
10620 1643 1487 Types of queries are: POCs, o
7029 1621 1412 Windstream Communications Inc
4755 1538 1372 TATA Communications formerly
22773 1447 1349 Cox Communications Inc.
4766 1942 1295 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<<
46.18.104.0/21 23456 32-bit ASN transition
62.61.220.0/24 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 /8:20 /9:12 /10:27 /11:81 /12:235
/13:461 /14:797 /15:1410 /16:11917 /17:5922 /18:9952
/19:19758 /20:26716 /21:26801 /22:35644 /23:34215 /24:190124
/25:12 /26:20 /27:23 /28:155 /29:117 /30:60
/31:0 /32:125
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2200 3564 BellSouth.net Inc.
18566 1867 1910 Covad Communications Co.
23456 1556 3215 32-bit ASN transition
10620 1538 1643 Types of queries are: POCs, o
7029 1305 1621 Windstream Communications Inc
30036 1284 1321 Mediacom Communications Corp
11492 1108 1154 CABLE ONE, INC.
7011 1058 1183 Frontier Communications of Am
1785 1053 1826 PaeTec Communications, Inc.
22773 938 1447 Cox Communications Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:360 2:47 4:15 5:1 6:3 8:345
12:1950 13:1 14:519 15:13 16:3 17:5
20:10 23:30 24:1667 27:919 31:523 32:59
33:3 34:2 36:4 38:731 40:107 41:2446
42:40 44:2 46:967 47:3 49:226 50:408
52:13 54:2 55:4 56:2 57:34 58:819
59:492 60:374 61:1010 62:1075 63:1931 64:4000
65:2303 66:3920 67:1943 68:1108 69:3163 70:778
71:377 72:1853 74:2428 75:327 76:339 77:868
78:667 79:462 80:1124 81:841 82:497 83:496
84:685 85:1092 86:421 87:861 88:344 89:1537
90:231 91:4075 92:523 93:1142 94:1359 95:865
96:416 97:272 98:924 99:37 101:76 103:265
106:71 107:43 108:76 109:1021 110:634 111:741
112:303 113:413 114:553 115:686 116:907 117:663
118:849 119:1172 120:331 121:673 122:1595 123:1003
124:1289 125:1338 128:209 129:171 130:159 131:577
132:111 133:21 134:207 135:53 136:210 137:133
138:294 139:114 140:470 141:289 142:371 143:422
144:487 145:60 146:460 147:234 148:614 149:249
150:146 151:189 152:441 153:179 154:5 155:394
156:198 157:323 158:143 159:391 160:318 161:198
162:333 163:165 164:512 165:365 166:537 167:433
168:742 169:144 170:847 171:84 172:1 173:1654
174:631 175:385 176:158 177:255 178:1005 180:1005
181:26 182:595 183:226 184:347 185:1 186:1405
187:681 188:933 189:873 190:5103 192:5883 193:4994
194:3522 195:3048 196:1236 197:148 198:3532 199:4048
200:5444 201:1632 202:8233 203:8371 204:4170 205:2312
206:2587 207:2760 208:4012 209:3409 210:2613 211:1459
212:2103 213:1761 214:772 215:76 216:4829 217:1619
218:541 219:340 220:1186 221:499 222:303 223:251
End of report
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