* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 15 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 469063
Prefixes after maximum aggregation: 187930
Deaggregation factor: 2.50
Unique aggregates announced to Internet: 234266
Total ASes present in the Internet Routing Table: 45322
Prefixes per ASN: 10.35
Origin-only ASes present in the Internet Routing Table: 35379
Origin ASes announcing only one prefix: 16315
Transit ASes present in the Internet Routing Table: 5792
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: 28
Max AS path prepend of ASN ( 59482) 25
Prefixes from unregistered ASNs in the Routing Table: 6722
Unregistered ASNs in the Routing Table: 463
Number of 32-bit ASNs allocated by the RIRs: 5348
Number of 32-bit ASNs visible in the Routing Table: 4151
Prefixes from 32-bit ASNs in the Routing Table: 12950
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 1083
Number of addresses announced to Internet: 2675665920
Equivalent to 159 /8s, 123 /16s and 108 /24s
Percentage of available address space announced: 72.3
Percentage of allocated address space announced: 72.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.2
Total number of prefixes smaller than registry allocations: 164067
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107620
Total APNIC prefixes after maximum aggregation: 33191
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 110500
Unique aggregates announced from the APNIC address blocks: 47467
APNIC Region origin ASes present in the Internet Routing Table: 4847
APNIC Prefixes per ASN: 22.80
APNIC Region origin ASes announcing only one prefix: 1245
APNIC Region transit ASes present in the Internet Routing Table: 815
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 743
Number of APNIC addresses announced to Internet: 728856832
Equivalent to 43 /8s, 113 /16s and 121 /24s
Percentage of available APNIC address space announced: 85.2
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: 161646
Total ARIN prefixes after maximum aggregation: 81232
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162544
Unique aggregates announced from the ARIN address blocks: 76019
ARIN Region origin ASes present in the Internet Routing Table: 15866
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 6007
ARIN Region transit ASes present in the Internet Routing Table: 1588
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 34
Number of ARIN addresses announced to Internet: 1073329152
Equivalent to 63 /8s, 249 /16s and 180 /24s
Percentage of available ARIN address space announced: 56.8
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, 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: 121298
Total RIPE prefixes after maximum aggregation: 60958
RIPE Deaggregation factor: 1.99
Prefixes being announced from the RIPE address blocks: 124937
Unique aggregates announced from the RIPE address blocks: 78835
RIPE Region origin ASes present in the Internet Routing Table: 17506
RIPE Prefixes per ASN: 7.14
RIPE Region origin ASes announcing only one prefix: 8310
RIPE Region transit ASes present in the Internet Routing Table: 2799
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2477
Number of RIPE addresses announced to Internet: 656694784
Equivalent to 39 /8s, 36 /16s and 94 /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: 52437
Total LACNIC prefixes after maximum aggregation: 9802
LACNIC Deaggregation factor: 5.35
Prefixes being announced from the LACNIC address blocks: 57565
Unique aggregates announced from the LACNIC address blocks: 26986
LACNIC Region origin ASes present in the Internet Routing Table: 2032
LACNIC Prefixes per ASN: 28.33
LACNIC Region origin ASes announcing only one prefix: 554
LACNIC Region transit ASes present in the Internet Routing Table: 382
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 891
Number of LACNIC addresses announced to Internet: 142763008
Equivalent to 8 /8s, 130 /16s and 100 /24s
Percentage of available LACNIC address space announced: 85.1
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: 11805
Total AfriNIC prefixes after maximum aggregation: 2597
AfriNIC Deaggregation factor: 4.55
Prefixes being announced from the AfriNIC address blocks: 12433
Unique aggregates announced from the AfriNIC address blocks: 4087
AfriNIC Region origin ASes present in the Internet Routing Table: 681
AfriNIC Prefixes per ASN: 18.26
AfriNIC Region origin ASes announcing only one prefix: 199
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: 6
Number of AfriNIC addresses announced to Internet: 48020992
Equivalent to 2 /8s, 220 /16s and 190 /24s
Percentage of available AfriNIC address space announced: 47.7
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 2712 903 89 PT TELEKOMUNIKASI INDONESIA
4766 2135 11550 641 Korea Telecom (KIX)
7545 2082 319 111 TPG Internet Pty Ltd
4755 1773 391 189 TATA Communications formerly
9829 1539 1245 45 BSNL National Internet Backbo
9583 1230 94 506 Sify Limited
9498 1213 309 74 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
24560 1096 380 163 Bharti Airtel Ltd., Telemedia
4808 1064 2019 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 3052 3688 56 BellSouth.net Inc.
22773 2199 2939 139 Cox Communications, Inc.
18566 2054 379 177 MegaPath Corporation
1785 2039 685 130 PaeTec Communications, Inc.
20115 1682 1654 607 Charter Communications
4323 1646 1114 419 Time Warner Telecom
701 1507 11147 785 MCI Communications Services,
30036 1382 311 583 Mediacom Communications Corp
7018 1341 17795 880 AT&T WorldNet Services
6983 1293 755 578 ITC^Deltacom
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 1909 544 17 OJSC "Vimpelcom"
3352 1885 2396 44 Ibernet, Internet Access Netw
34984 1364 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1146 423 864 Akamai Technologies European
31148 1005 45 19 FreeNet ISP
13188 894 99 48 TOV "Bank-Inform"
6849 849 356 30 JSC UKRTELECOM,
8551 798 370 41 Bezeq International
6830 771 2328 423 UPC Distribution Services
12479 680 798 55 Uni2 Autonomous System
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 3421 1793 87 NET Servicos de Comunicao S.A
10620 2652 430 226 >>UNKNOWN<<
7303 1728 1150 231 Telecom Argentina Stet-France
18881 1621 908 20 Global Village Telecom
8151 1347 2851 409 UniNet S.A. de C.V.
11830 866 364 15 Instituto Costarricense de El
27947 819 94 91 Telconet S.A
6503 789 434 63 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
3816 752 303 124 COLOMBIA TELECOMUNICACIONES S
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 886 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 418 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
36992 229 501 29 Etisalat MISR
29571 224 17 12 Ci Telecom Autonomous system
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 3421 1793 87 NET Servicos de Comunicao S.A
6389 3052 3688 56 BellSouth.net Inc.
17974 2712 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2652 430 226 >>UNKNOWN<<
22773 2199 2939 139 Cox Communications, Inc.
4766 2135 11550 641 Korea Telecom (KIX)
7545 2082 319 111 TPG Internet Pty Ltd
18566 2054 379 177 MegaPath Corporation
1785 2039 685 130 PaeTec Communications, Inc.
8402 1909 544 17 OJSC "Vimpelcom"
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 3052 2996 BellSouth.net Inc.
17974 2712 2623 PT TELEKOMUNIKASI INDONESIA
10620 2652 2426 >>UNKNOWN<<
22773 2199 2060 Cox Communications, Inc.
7545 2082 1971 TPG Internet Pty Ltd
1785 2039 1909 PaeTec Communications, Inc.
8402 1909 1892 OJSC "Vimpelcom"
18566 2054 1877 MegaPath Corporation
36998 1864 1859 Sudanese Mobile Telephone (ZA
3352 1885 1841 Ibernet, Internet Access Netw
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
62828 UNALLOCATED 8.21.130.0/24 3356 Level 3 Communicatio
62850 UNALLOCATED 8.25.147.0/24 3356 Level 3 Communicatio
62734 UNALLOCATED 8.31.128.0/24 6939 Hurricane Electric
62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio
65333 PRIVATE 10.0.0.0/8 0 *
15132 UNALLOCATED 12.9.150.0/24 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 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
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
203.0.113.0/24 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 3257 Tiscali Intl Network
23.91.0.0/19 40676 Psychz Networks
23.91.4.0/24 40676 Psychz Networks
23.91.14.0/24 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.80.0/20 21560 Capital Technology Services G
23.91.96.0/20 37958 ChinaCache Networks ASN
23.91.112.0/21 32475 MidPhase Inc.
23.91.160.0/22 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 /11:92 /12:254
/13:472 /14:924 /15:1624 /16:12791 /17:6758 /18:11274
/19:23079 /20:32904 /21:35663 /22:49674 /23:44076 /24:248751
/25:9 /26:11 /27:11 /28:126 /29:220 /30:152
/31:0 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2008 2054 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1705 3052 BellSouth.net Inc.
8402 1579 1909 OJSC "Vimpelcom"
3352 1477 1885 Ibernet, Internet Access Netw
22773 1458 2199 Cox Communications, Inc.
30036 1228 1382 Mediacom Communications Corp
11492 1191 1229 Cable One
1785 1086 2039 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:894 2:889 3:3 4:16 5:1026 6:21
8:614 12:1887 13:3 14:874 15:11 16:3
17:17 18:19 20:21 23:559 24:1739 27:1640
31:1449 32:40 33:2 34:5 36:86 37:1916
38:913 39:5 40:182 41:3300 42:272 44:14
46:2018 47:11 49:690 50:835 52:12 54:43
55:7 56:4 57:29 58:1087 59:568 60:374
61:1455 62:1243 63:1975 64:4334 65:2341 66:4143
67:2114 68:1108 69:3282 70:874 71:488 72:2041
74:2562 75:326 76:307 77:1132 78:1046 79:674
80:1638 81:1148 82:645 83:675 84:584 85:1256
86:382 87:1031 88:623 89:1563 90:150 91:5657
92:625 93:1608 94:2040 95:1630 96:512 97:350
98:1038 99:41 100:31 101:382 103:3574 105:527
106:141 107:217 108:517 109:1945 110:963 111:1111
112:587 113:807 114:729 115:1001 116:992 117:802
118:1177 119:1261 120:327 121:733 122:1787 123:1261
124:1362 125:1430 128:638 129:219 130:315 131:654
132:359 133:158 134:547 135:72 136:282 137:245
138:351 139:174 140:170 141:319 142:530 143:424
144:497 145:90 146:519 147:385 148:714 149:367
150:134 151:653 152:411 153:206 154:53 155:499
156:292 157:369 158:280 159:694 160:363 161:452
162:850 163:202 164:631 165:582 166:261 167:634
168:1037 169:124 170:1118 171:185 172:27 173:1594
174:688 175:504 176:1294 177:2477 178:1980 179:296
180:1584 181:871 182:1374 183:462 184:663 185:1018
186:2609 187:1458 188:1858 189:1258 190:7260 192:6981
193:5424 194:4048 195:3371 196:1328 197:1045 198:4689
199:5443 200:6026 201:2500 202:8774 203:8815 204:4464
205:2629 206:2746 207:2766 208:4003 209:3638 210:2904
211:1559 212:2175 213:1983 214:893 215:91 216:5409
217:1698 218:618 219:316 220:1273 221:578 222:325
223:502
End of report
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