Routing Table Report 08:00 +10GMT Mon 09 Jan, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 383515
Prefixes after maximum aggregation: 166660
Deaggregation factor: 2.30
Unique aggregates announced to Internet: 190797
Total ASes present in the Internet Routing Table: 37797
Prefixes per ASN: 10.15
Origin-only ASes present in the Internet Routing Table: 32575
Origin ASes announcing only one prefix: 15531
Transit ASes present in the Internet Routing Table: 5222
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: 2822
Unregistered ASNs in the Routing Table: 1110
Number of 32-bit ASNs allocated by the RIRs: 2166
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 4363
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 116
Number of addresses announced to Internet: 2524278784
Equivalent to 150 /8s, 117 /16s and 112 /24s
Percentage of available address space announced: 68.1
Percentage of allocated address space announced: 68.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.9
Total number of prefixes smaller than registry allocations: 160793
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 91571
Total APNIC prefixes after maximum aggregation: 30115
APNIC Deaggregation factor: 3.04
Prefixes being announced from the APNIC address blocks: 88920
Unique aggregates announced from the APNIC address blocks: 38845
APNIC Region origin ASes present in the Internet Routing Table: 4578
APNIC Prefixes per ASN: 19.42
APNIC Region origin ASes announcing only one prefix: 1262
APNIC Region transit ASes present in the Internet Routing Table: 701
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: 633130496
Equivalent to 37 /8s, 188 /16s and 206 /24s
Percentage of available APNIC address space announced: 80.3
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: 145880
Total ARIN prefixes after maximum aggregation: 74543
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 118194
Unique aggregates announced from the ARIN address blocks: 49021
ARIN Region origin ASes present in the Internet Routing Table: 14778
ARIN Prefixes per ASN: 8.00
ARIN Region origin ASes announcing only one prefix: 5671
ARIN Region transit ASes present in the Internet Routing Table: 1497
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 804919808
Equivalent to 47 /8s, 250 /16s and 26 /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: 96100
Total RIPE prefixes after maximum aggregation: 51923
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 88078
Unique aggregates announced from the RIPE address blocks: 55749
RIPE Region origin ASes present in the Internet Routing Table: 16224
RIPE Prefixes per ASN: 5.43
RIPE Region origin ASes announcing only one prefix: 7991
RIPE Region transit ASes present in the Internet Routing Table: 2559
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: 496236544
Equivalent to 29 /8s, 147 /16s and 248 /24s
Percentage of available RIPE address space announced: 79.9
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: 36411
Total LACNIC prefixes after maximum aggregation: 7961
LACNIC Deaggregation factor: 4.57
Prefixes being announced from the LACNIC address blocks: 36144
Unique aggregates announced from the LACNIC address blocks: 19178
LACNIC Region origin ASes present in the Internet Routing Table: 1550
LACNIC Prefixes per ASN: 23.32
LACNIC Region origin ASes announcing only one prefix: 447
LACNIC Region transit ASes present in the Internet Routing Table: 280
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 95233024
Equivalent to 5 /8s, 173 /16s and 36 /24s
Percentage of available LACNIC address space announced: 63.1
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: 8486
Total AfriNIC prefixes after maximum aggregation: 2046
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 6541
Unique aggregates announced from the AfriNIC address blocks: 2039
AfriNIC Region origin ASes present in the Internet Routing Table: 503
AfriNIC Prefixes per ASN: 13.00
AfriNIC Region origin ASes announcing only one prefix: 160
AfriNIC Region transit ASes present in the Internet Routing Table: 115
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: 30709248
Equivalent to 1 /8s, 212 /16s and 150 /24s
Percentage of available AfriNIC address space announced: 45.8
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 1911 11097 658 Korea Telecom (KIX)
17974 1629 503 37 PT Telekomunikasi Indonesia
7545 1627 303 86 TPG Internet Pty Ltd
4755 1498 385 157 TATA Communications formerly
9829 1172 989 28 National Internet Backbone
9583 1111 81 496 Sify Limited
7552 1075 1062 11 Vietel Corporation
24560 981 380 168 Bharti Airtel Ltd., Telemedia
18101 977 131 157 Reliance Infocom Ltd Internet
4808 971 1945 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 3476 3814 218 BellSouth.net Inc.
7029 3194 1042 213 Windstream Communications Inc
18566 2094 382 177 Covad Communications Co.
1785 1866 681 122 PaeTec Communications, Inc.
20115 1616 1552 619 Charter Communications
4323 1607 1080 385 tw telecom holdings, inc.
22773 1515 2909 107 Cox Communications Inc.
30036 1484 263 690 Mediacom Communications Corp
19262 1388 4683 401 Verizon Online LLC
7018 1313 7047 864 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 1491 480 15 Corbina telecom
15557 1096 2161 64 NEUF CEGETEL (formerly LDCOM
2118 672 99 14 EUnet/RELCOM Autonomous Syste
6830 645 1928 414 UPC Broadband
34984 635 132 197 BILISIM TELEKOM
20940 563 183 451 Akamai Technologies European
8551 553 360 81 Bezeq International
12479 547 636 53 France Telecom Espana SA
9116 541 326 32 Goldenlines main autonomous s
3320 532 8162 398 Deutsche Telekom AG
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 1721 319 159 Types of queries are: POCs, o
28573 1565 1064 76 Types of queries are: POCs, o
8151 1320 2978 338 Uninet S.A. de C.V.
7303 1255 756 178 Telecom Argentina S.A.
27947 611 73 95 Telconet S.A
22047 582 322 17 Types of queries are: POCs, o
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 550 237 91 Types of queries are: POCs, o
11172 534 102 100 Alestra, S. de R.L. de C.V.
6503 527 434 68 Axtel, S.A.B. 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 1030 958 13 TEDATA
24863 790 146 33 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 250 649 18 Itissalat Al-MAGHRIB
33776 240 13 8 Starcomms Nigeria Limited
15706 224 32 6 Sudatel Internet Exchange Aut
29571 217 17 13 Ci Telecom Autonomous system
12258 196 28 61 Vodacom Internet Company
24835 188 80 8 RAYA Telecom - Egypt
16637 157 664 85 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 3476 3814 218 BellSouth.net Inc.
7029 3194 1042 213 Windstream Communications Inc
18566 2094 382 177 Covad Communications Co.
4766 1911 11097 658 Korea Telecom (KIX)
1785 1866 681 122 PaeTec Communications, Inc.
10620 1721 319 159 Types of queries are: POCs, o
17974 1629 503 37 PT Telekomunikasi Indonesia
7545 1627 303 86 TPG Internet Pty Ltd
20115 1616 1552 619 Charter Communications
4323 1607 1080 385 tw telecom holdings, inc.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7029 3194 2981 Windstream Communications Inc
18566 2094 1917 Covad Communications Co.
1785 1866 1744 PaeTec Communications, Inc.
17974 1629 1592 PT Telekomunikasi Indonesia
10620 1721 1562 Types of queries are: POCs, o
7545 1627 1541 TPG Internet Pty Ltd
28573 1565 1489 Types of queries are: POCs, o
8402 1491 1476 Corbina telecom
22773 1515 1408 Cox Communications Inc.
4755 1498 1341 TATA Communications formerly
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
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
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 /12:237
/13:466 /14:813 /15:1448 /16:12057 /17:6135 /18:10160
/19:20294 /20:27949 /21:28283 /22:38450 /23:35800 /24:200739
/25:11 /26:21 /27:20 /28:154 /29:135 /30:67
/31:0 /32:136
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2806 3194 Windstream Communications Inc
6389 2120 3476 BellSouth.net Inc.
18566 2043 2094 Covad Communications Co.
10620 1616 1721 Types of queries are: POCs, o
8402 1470 1491 Corbina telecom
30036 1443 1484 Mediacom Communications Corp
11492 1116 1153 CABLE ONE, INC.
1785 1065 1866 PaeTec Communications, Inc.
7011 1050 1167 Frontier Communications of Am
15557 1046 1096 NEUF CEGETEL (formerly LDCOM
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:490 2:417 4:15 5:1 6:3 8:367
12:1947 13:1 14:575 15:11 16:3 17:7
20:9 23:86 24:1713 27:1160 31:836 32:62
33:2 34:2 36:8 37:77 38:790 40:114
41:2958 42:85 44:3 45:1 46:1179 47:3
49:313 50:501 52:13 55:6 56:2 57:37
58:896 59:480 60:335 61:1078 62:941 63:1962
64:4086 65:2301 66:4358 67:1988 68:1164 69:3143
70:917 71:419 72:1787 74:2641 75:439 76:320
77:922 78:888 79:495 80:1188 81:860 82:544
83:531 84:585 85:1167 86:753 87:910 88:349
89:1585 90:261 91:4401 92:533 93:1519 94:1335
95:1039 96:398 97:296 98:788 99:38 100:18
101:126 103:609 106:9 107:126 108:102 109:1421
110:680 111:824 112:400 113:505 114:599 115:732
116:853 117:702 118:889 119:1209 120:385 121:642
122:1576 123:1047 124:1302 125:1290 128:457 129:184
130:183 131:583 132:154 133:21 134:217 135:54
136:211 137:148 138:286 139:134 140:463 141:261
142:362 143:390 144:501 145:67 146:473 147:223
148:614 149:275 150:159 151:192 152:442 153:169
154:6 155:407 156:207 157:336 158:155 159:438
160:343 161:204 162:334 163:178 164:522 165:395
166:557 167:454 168:810 169:146 170:829 171:95
172:4 173:1785 174:588 175:418 176:337 177:446
178:1170 180:1213 181:43 182:672 183:263 184:424
185:1 186:1493 187:816 188:1016 189:1173 190:5309
192:5943 193:5455 194:3790 195:3189 196:1257 197:175
198:3573 199:4231 200:5484 201:1632 202:8292 203:8497
204:4264 205:2405 206:2622 207:2735 208:3997 209:3494
210:2675 211:1448 212:1985 213:1814 214:832 215:93
216:4892 217:1474 218:560 219:333 220:1210 221:547
222:297 223:251
End of report
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