* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 24 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 463387
Prefixes after maximum aggregation: 187268
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 232434
Total ASes present in the Internet Routing Table: 40967
Prefixes per ASN: 11.31
Origin-only ASes present in the Internet Routing Table: 35189
Origin ASes announcing only one prefix: 16307
Transit ASes present in the Internet Routing Table: 5771
Transit-only ASes present in the Internet Routing Table: 138
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: 3588
Unregistered ASNs in the Routing Table: 604
Number of 32-bit ASNs allocated by the RIRs: 5083
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 12214
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 533
Number of addresses announced to Internet: 2663248128
Equivalent to 158 /8s, 189 /16s and 241 /24s
Percentage of available address space announced: 71.9
Percentage of allocated address space announced: 71.9
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: 161961
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107041
Total APNIC prefixes after maximum aggregation: 32926
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 109698
Unique aggregates announced from the APNIC address blocks: 46524
APNIC Region origin ASes present in the Internet Routing Table: 4841
APNIC Prefixes per ASN: 22.66
APNIC Region origin ASes announcing only one prefix: 1243
APNIC Region transit ASes present in the Internet Routing Table: 816
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: 726683392
Equivalent to 43 /8s, 80 /16s and 79 /24s
Percentage of available APNIC address space announced: 84.9
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: 161255
Total ARIN prefixes after maximum aggregation: 80891
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 161821
Unique aggregates announced from the ARIN address blocks: 75834
ARIN Region origin ASes present in the Internet Routing Table: 15839
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 6032
ARIN Region transit ASes present in the Internet Routing Table: 1596
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: 1071363584
Equivalent to 63 /8s, 219 /16s and 182 /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: 119216
Total RIPE prefixes after maximum aggregation: 61193
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 123020
Unique aggregates announced from the RIPE address blocks: 79461
RIPE Region origin ASes present in the Internet Routing Table: 17425
RIPE Prefixes per ASN: 7.06
RIPE Region origin ASes announcing only one prefix: 8268
RIPE Region transit ASes present in the Internet Routing Table: 2785
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: 655960320
Equivalent to 39 /8s, 25 /16s and 41 /24s
Percentage of available RIPE address space announced: 95.4
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: 51079
Total LACNIC prefixes after maximum aggregation: 9640
LACNIC Deaggregation factor: 5.30
Prefixes being announced from the LACNIC address blocks: 55934
Unique aggregates announced from the LACNIC address blocks: 26181
LACNIC Region origin ASes present in the Internet Routing Table: 2005
LACNIC Prefixes per ASN: 27.90
LACNIC Region origin ASes announcing only one prefix: 569
LACNIC Region transit ASes present in the Internet Routing Table: 361
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: 139064064
Equivalent to 8 /8s, 73 /16s and 243 /24s
Percentage of available LACNIC address space announced: 82.9
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: 11771
Total AfriNIC prefixes after maximum aggregation: 2544
AfriNIC Deaggregation factor: 4.63
Prefixes being announced from the AfriNIC address blocks: 12379
Unique aggregates announced from the AfriNIC address blocks: 3972
AfriNIC Region origin ASes present in the Internet Routing Table: 658
AfriNIC Prefixes per ASN: 18.81
AfriNIC Region origin ASes announcing only one prefix: 195
AfriNIC Region transit ASes present in the Internet Routing Table: 132
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: 46659840
Equivalent to 2 /8s, 199 /16s and 249 /24s
Percentage of available AfriNIC address space announced: 46.4
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 2668 903 91 PT TELEKOMUNIKASI INDONESIA
4766 2120 11553 622 Korea Telecom (KIX)
7545 2072 321 113 TPG Internet Pty Ltd
4755 1802 403 192 TATA Communications formerly
9829 1544 1236 41 BSNL National Internet Backbo
9583 1230 92 508 Sify Limited
9498 1193 309 72 BHARTI Airtel Ltd.
7552 1152 1080 13 Vietel Corporation
24560 1084 376 166 Bharti Airtel Ltd., Telemedia
4808 1073 2023 313 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 3067 3689 62 BellSouth.net Inc.
18566 2063 382 183 Covad Communications
22773 2046 2933 125 Cox Communications, Inc.
1785 2016 679 125 PaeTec Communications, Inc.
20115 1680 1651 628 Charter Communications
4323 1613 1119 410 Time Warner Telecom
701 1529 11152 800 UUNET Technologies, Inc.
30036 1347 303 634 Mediacom Communications Corp
7018 1310 11261 828 AT&T WorldNet Services
22561 1234 386 201 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 1705 544 16 OJSC "Vimpelcom"
34984 1362 244 220 TELLCOM ILETISIM HIZMETLERI A
20940 1032 382 793 Akamai Technologies European
31148 987 43 17 FreeNet ISP
6830 895 2367 427 UPC Distribution Services
13188 847 99 70 TOV "Bank-Inform"
8551 758 370 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 3284 1726 95 NET Servicos de Comunicao S.A
10620 2573 420 252 TVCABLE BOGOTA
7303 1715 1135 227 Telecom Argentina Stet-France
18881 1432 844 20 Global Village Telecom
8151 1310 2794 407 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
6503 829 434 65 AVANTEL, S.A.
27947 810 94 95 Telconet S.A
7738 779 1498 36 Telecomunicacoes da Bahia S.A
6147 740 376 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 876 274 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 428 956 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 3284 1726 95 NET Servicos de Comunicao S.A
6389 3067 3689 62 BellSouth.net Inc.
17974 2668 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2573 420 252 TVCABLE BOGOTA
4766 2120 11553 622 Korea Telecom (KIX)
7545 2072 321 113 TPG Internet Pty Ltd
18566 2063 382 183 Covad Communications
22773 2046 2933 125 Cox Communications, Inc.
1785 2016 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 3067 3005 BellSouth.net Inc.
17974 2668 2577 PT TELEKOMUNIKASI INDONESIA
10620 2573 2321 TVCABLE BOGOTA
7545 2072 1959 TPG Internet Pty Ltd
22773 2046 1921 Cox Communications, Inc.
1785 2016 1891 PaeTec Communications, Inc.
18566 2063 1880 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1705 1689 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 /12:250
/13:474 /14:912 /15:1626 /16:12747 /17:6713 /18:11135
/19:22891 /20:32544 /21:35028 /22:49142 /23:42545 /24:246582
/25:9 /26:11 /27:11 /28:131 /29:212 /30:131
/31:0 /32:140
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 1712 3067 BellSouth.net Inc.
8402 1418 1705 OJSC "Vimpelcom"
22773 1332 2046 Cox Communications, Inc.
30036 1206 1347 Mediacom Communications Corp
11492 1187 1228 Cable One
1785 1083 2016 PaeTec Communications, Inc.
6983 1025 1150 ITC^Deltacom
22561 958 1234 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:816 2:865 3:3 4:16 5:968 6:19
8:598 12:1894 13:3 14:842 15:11 16:3
17:13 18:19 20:21 23:406 24:1740 27:1582
31:1475 32:38 33:2 34:5 36:80 37:1836
38:901 39:3 40:179 41:3327 42:250 44:13
46:1994 47:7 49:676 50:808 52:12 54:38
55:7 57:29 58:1090 59:630 60:338 61:1478
62:1197 63:1984 64:4543 65:2359 66:4177 67:2078
68:1084 69:3324 70:868 71:494 72:2003 74:2553
75:330 76:300 77:1146 78:1051 79:632 80:1328
81:1030 82:640 83:582 84:586 85:1268 86:490
87:1048 88:552 89:1802 90:158 91:5708 92:607
93:1642 94:2004 95:1594 96:517 97:342 98:1040
99:40 100:30 101:358 103:3318 105:520 106:142
107:208 108:492 109:1899 110:958 111:1121 112:575
113:797 114:705 115:1040 116:964 117:805 118:1169
119:1268 120:349 121:851 122:1802 123:1220 124:1347
125:1427 128:591 129:302 130:308 131:637 132:340
133:161 134:531 135:67 136:272 137:264 138:348
139:177 140:178 141:312 142:537 143:404 144:498
145:100 146:509 147:478 148:684 149:355 150:157
151:585 152:411 153:195 154:46 155:485 156:276
157:370 158:285 159:682 160:349 161:425 162:711
163:206 164:633 165:566 166:258 167:616 168:1041
169:127 170:1084 171:201 172:25 173:1606 174:667
175:480 176:1195 177:2326 178:1891 179:142 180:1508
181:734 182:1265 183:463 184:655 185:865 186:2555
187:1440 188:1916 189:1307 190:7106 192:6875 193:5664
194:4070 195:3334 196:1326 197:1061 198:4625 199:5424
200:6025 201:2544 202:8801 203:8830 204:4449 205:2619
206:2765 207:2829 208:4005 209:3595 210:2857 211:1549
212:2304 213:2044 214:923 215:99 216:5310 217:1661
218:611 219:320 220:1273 221:559 222:324 223:498
End of report
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