* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 25 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 463059
Prefixes after maximum aggregation: 187227
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 232179
Total ASes present in the Internet Routing Table: 40984
Prefixes per ASN: 11.30
Origin-only ASes present in the Internet Routing Table: 35204
Origin ASes announcing only one prefix: 16310
Transit ASes present in the Internet Routing Table: 5773
Transit-only ASes present in the Internet Routing Table: 141
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: 3037
Unregistered ASNs in the Routing Table: 554
Number of 32-bit ASNs allocated by the RIRs: 5084
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 11992
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 571
Number of addresses announced to Internet: 2663995904
Equivalent to 158 /8s, 201 /16s and 90 /24s
Percentage of available address space announced: 72.0
Percentage of allocated address space announced: 72.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.0
Total number of prefixes smaller than registry allocations: 161498
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107188
Total APNIC prefixes after maximum aggregation: 32914
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 109820
Unique aggregates announced from the APNIC address blocks: 46578
APNIC Region origin ASes present in the Internet Routing Table: 4838
APNIC Prefixes per ASN: 22.70
APNIC Region origin ASes announcing only one prefix: 1237
APNIC Region transit ASes present in the Internet Routing Table: 821
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 726924800
Equivalent to 43 /8s, 83 /16s and 254 /24s
Percentage of available APNIC address space announced: 85.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
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, 150/8, 153/8,
163/8, 171/8, 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: 161326
Total ARIN prefixes after maximum aggregation: 80921
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 161914
Unique aggregates announced from the ARIN address blocks: 75830
ARIN Region origin ASes present in the Internet Routing Table: 15848
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 6036
ARIN Region transit ASes present in the Internet Routing Table: 1594
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: 2
Number of ARIN addresses announced to Internet: 1071521024
Equivalent to 63 /8s, 222 /16s and 29 /24s
Percentage of available ARIN address space announced: 56.7
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, 62464-63487, 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, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 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: 119028
Total RIPE prefixes after maximum aggregation: 61145
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122617
Unique aggregates announced from the RIPE address blocks: 79119
RIPE Region origin ASes present in the Internet Routing Table: 17429
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8263
RIPE Region transit ASes present in the Internet Routing Table: 2779
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: 1
Number of RIPE addresses announced to Internet: 656951040
Equivalent to 39 /8s, 40 /16s and 71 /24s
Percentage of available RIPE address space announced: 95.5
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
59392-61439, 61952-62463, 196608-200191
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,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 50958
Total LACNIC prefixes after maximum aggregation: 9636
LACNIC Deaggregation factor: 5.29
Prefixes being announced from the LACNIC address blocks: 55756
Unique aggregates announced from the LACNIC address blocks: 26182
LACNIC Region origin ASes present in the Internet Routing Table: 2008
LACNIC Prefixes per ASN: 27.77
LACNIC Region origin ASes announcing only one prefix: 577
LACNIC Region transit ASes present in the Internet Routing Table: 363
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2
Number of LACNIC addresses announced to Internet: 138416640
Equivalent to 8 /8s, 64 /16s and 18 /24s
Percentage of available LACNIC address space announced: 82.5
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 11762
Total AfriNIC prefixes after maximum aggregation: 2537
AfriNIC Deaggregation factor: 4.64
Prefixes being announced from the AfriNIC address blocks: 12379
Unique aggregates announced from the AfriNIC address blocks: 3970
AfriNIC Region origin ASes present in the Internet Routing Table: 659
AfriNIC Prefixes per ASN: 18.78
AfriNIC Region origin ASes announcing only one prefix: 197
AfriNIC Region transit ASes present in the Internet Routing Table: 134
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: 1
Number of AfriNIC addresses announced to Internet: 46645760
Equivalent to 2 /8s, 199 /16s and 194 /24s
Percentage of available AfriNIC address space announced: 46.3
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
17974 2678 903 91 PT TELEKOMUNIKASI INDONESIA
4766 2120 11553 622 Korea Telecom (KIX)
7545 2069 320 111 TPG Internet Pty Ltd
4755 1802 403 192 TATA Communications formerly
9829 1521 1237 39 BSNL National Internet Backbo
9583 1230 92 508 Sify Limited
9498 1195 309 73 BHARTI Airtel Ltd.
7552 1152 1080 13 Vietel Corporation
24560 1090 380 164 Bharti Airtel Ltd., Telemedia
4808 1073 2021 312 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 3066 3689 62 BellSouth.net Inc.
18566 2063 382 183 Covad Communications
22773 2046 2933 125 Cox Communications, Inc.
1785 2017 679 125 PaeTec Communications, Inc.
20115 1679 1651 627 Charter Communications
4323 1614 1119 410 Time Warner Telecom
701 1522 11149 795 UUNET Technologies, Inc.
30036 1352 305 623 Mediacom Communications Corp
7018 1311 11260 827 AT&T WorldNet Services
22561 1236 387 203 Digital Teleport, 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 1710 544 17 OJSC "Vimpelcom"
34984 1362 244 227 TELLCOM ILETISIM HIZMETLERI A
20940 1019 376 783 Akamai Technologies European
31148 987 43 17 FreeNet ISP
6830 896 2367 428 UPC Distribution Services
13188 848 99 69 TOV "Bank-Inform"
8551 756 370 41 Bezeq International
12479 676 799 49 Uni2 Autonomous System
9116 553 326 34 Goldenlines main autonomous s
35228 526 246 16 Avatar Broadband Limited
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
28573 3359 1732 94 NET Servicos de Comunicao S.A
10620 2576 421 250 TVCABLE BOGOTA
7303 1717 1136 228 Telecom Argentina Stet-France
18881 1432 844 20 Global Village Telecom
8151 1316 2798 411 UniNet S.A. de C.V.
11830 864 364 15 Instituto Costarricense de El
6503 829 434 65 AVANTEL, S.A.
27947 810 94 95 Telconet S.A
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6147 734 376 21 Telefonica Del Peru
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
36998 1864 112 5 Sudanese Mobile Telephone (ZA
24863 880 274 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 429 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 222 17 12 Ci Telecom Autonomous system
36992 222 501 28 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
29975 192 668 21 Vodacom
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
28573 3359 1732 94 NET Servicos de Comunicao S.A
6389 3066 3689 62 BellSouth.net Inc.
17974 2678 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2576 421 250 TVCABLE BOGOTA
4766 2120 11553 622 Korea Telecom (KIX)
7545 2069 320 111 TPG Internet Pty Ltd
18566 2063 382 183 Covad Communications
22773 2046 2933 125 Cox Communications, Inc.
1785 2017 679 125 PaeTec Communications, Inc.
36998 1864 112 5 Sudanese Mobile Telephone (ZA
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 3066 3004 BellSouth.net Inc.
17974 2678 2587 PT TELEKOMUNIKASI INDONESIA
10620 2576 2326 TVCABLE BOGOTA
7545 2069 1958 TPG Internet Pty Ltd
22773 2046 1921 Cox Communications, Inc.
1785 2017 1892 PaeTec Communications, Inc.
18566 2063 1880 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1710 1693 OJSC "Vimpelcom"
4755 1802 1610 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 *
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
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 IANA Private Address Space
10.1.1.48/29 0 *
100.64.0.0/10 65333 IANA Private Address Space
169.254.0.0/16 65333 IANA Private Address Space
172.16.0.0/12 65333 IANA Private Address Space
192.0.0.0/24 65333 IANA Private Address Space
192.0.2.0/24 65333 IANA Private Address Space
192.168.0.0/16 0 *
198.18.0.0/15 65333 IANA Private Address Space
198.51.100.0/24 65333 IANA Private Address Space
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.90.192.0/18 36086 Broad Communications Technolo
23.91.0.0/19 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.96.0/20 40676 Psychz Networks
23.91.112.0/21 32475 MidPhase Inc.
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
23.91.164.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.168.0/22 36493 3757277 Canada Inc. (oa 295.c
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 /8:17 /9:11 /10:32 /11:93 /12:251
/13:477 /14:911 /15:1627 /16:12748 /17:6708 /18:11100
/19:22884 /20:32481 /21:35063 /22:49175 /23:42603 /24:246237
/25:9 /26:11 /27:10 /28:128 /29:213 /30:134
/31:0 /32:136
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2014 2063 Covad Communications
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1711 3066 BellSouth.net Inc.
8402 1424 1710 OJSC "Vimpelcom"
22773 1332 2046 Cox Communications, Inc.
30036 1210 1352 Mediacom Communications Corp
11492 1187 1228 Cable One
1785 1084 2017 PaeTec Communications, Inc.
6983 1026 1148 ITC^Deltacom
22561 959 1236 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:815 2:868 3:3 4:16 5:972 6:19
8:597 12:1893 13:3 14:840 15:11 16:3
17:13 18:19 20:21 23:441 24:1740 27:1584
31:1473 32:38 33:2 34:5 36:80 37:1828
38:901 39:3 40:179 41:3315 42:250 44:13
46:1992 47:7 49:677 50:810 52:12 54:39
55:6 57:29 58:1091 59:630 60:340 61:1480
62:1197 63:1987 64:4544 65:2358 66:4178 67:2080
68:1084 69:3317 70:863 71:494 72:2001 74:2549
75:330 76:300 77:1130 78:1071 79:633 80:1341
81:1031 82:631 83:583 84:586 85:1233 86:453
87:998 88:551 89:1722 90:158 91:5663 92:597
93:1612 94:1985 95:1605 96:517 97:343 98:1041
99:40 100:30 101:359 103:3319 105:520 106:142
107:208 108:492 109:1882 110:959 111:1121 112:572
113:798 114:697 115:1067 116:964 117:791 118:1163
119:1270 120:352 121:852 122:1802 123:1255 124:1345
125:1427 128:591 129:302 130:306 131:666 132:343
133:162 134:531 135:67 136:272 137:240 138:348
139:177 140:178 141:312 142:536 143:406 144:500
145:100 146:510 147:479 148:687 149:354 150:158
151:585 152:411 153:195 154:47 155:485 156:277
157:371 158:285 159:679 160:349 161:425 162:719
163:208 164:637 165:569 166:258 167:616 168:1041
169:127 170:1079 171:201 172:25 173:1606 174:667
175:488 176:1198 177:2285 178:1893 179:142 180:1516
181:737 182:1267 183:463 184:651 185:881 186:2549
187:1431 188:1888 189:1289 190:7108 192:6881 193:5659
194:4076 195:3337 196:1323 197:1060 198:4630 199:5421
200:5956 201:2536 202:8823 203:8839 204:4446 205:2612
206:2769 207:2827 208:4000 209:3608 210:2854 211:1549
212:2300 213:2014 214:924 215:99 216:5311 217:1665
218:611 219:328 220:1275 221:559 222:324 223:497
End of report
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