* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 11 Dec, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 469224
Prefixes after maximum aggregation: 188622
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 235206
Total ASes present in the Internet Routing Table: 45525
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 35434
Origin ASes announcing only one prefix: 16307
Transit ASes present in the Internet Routing Table: 5818
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: 28
Max AS path prepend of ASN ( 20993) 26
Prefixes from unregistered ASNs in the Routing Table: 1034
Unregistered ASNs in the Routing Table: 284
Number of 32-bit ASNs allocated by the RIRs: 5480
Number of 32-bit ASNs visible in the Routing Table: 4273
Prefixes from 32-bit ASNs in the Routing Table: 13364
Number of bogon 32-bit ASNs visible in the Routing Table: 1
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 1372
Number of addresses announced to Internet: 2677303296
Equivalent to 159 /8s, 148 /16s and 104 /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: 95.3
Total number of prefixes smaller than registry allocations: 163111
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108498
Total APNIC prefixes after maximum aggregation: 33442
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 111410
Unique aggregates announced from the APNIC address blocks: 47898
APNIC Region origin ASes present in the Internet Routing Table: 4839
APNIC Prefixes per ASN: 23.02
APNIC Region origin ASes announcing only one prefix: 1224
APNIC Region transit ASes present in the Internet Routing Table: 828
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: 781
Number of APNIC addresses announced to Internet: 727196160
Equivalent to 43 /8s, 88 /16s and 34 /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: 161796
Total ARIN prefixes after maximum aggregation: 81364
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162600
Unique aggregates announced from the ARIN address blocks: 75744
ARIN Region origin ASes present in the Internet Routing Table: 15882
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 6012
ARIN Region transit ASes present in the Internet Routing Table: 1598
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: 45
Number of ARIN addresses announced to Internet: 1073145856
Equivalent to 63 /8s, 246 /16s and 232 /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: 119639
Total RIPE prefixes after maximum aggregation: 61154
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123457
Unique aggregates announced from the RIPE address blocks: 78982
RIPE Region origin ASes present in the Internet Routing Table: 17532
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8311
RIPE Region transit ASes present in the Internet Routing Table: 2797
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2519
Number of RIPE addresses announced to Internet: 655345152
Equivalent to 39 /8s, 15 /16s and 198 /24s
Percentage of available RIPE address space announced: 95.3
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: 52568
Total LACNIC prefixes after maximum aggregation: 9850
LACNIC Deaggregation factor: 5.34
Prefixes being announced from the LACNIC address blocks: 57815
Unique aggregates announced from the LACNIC address blocks: 27381
LACNIC Region origin ASes present in the Internet Routing Table: 2040
LACNIC Prefixes per ASN: 28.34
LACNIC Region origin ASes announcing only one prefix: 554
LACNIC Region transit ASes present in the Internet Routing Table: 388
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 22
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 920
Number of LACNIC addresses announced to Internet: 146275584
Equivalent to 8 /8s, 183 /16s and 253 /24s
Percentage of available LACNIC address space announced: 87.2
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: 11940
Total AfriNIC prefixes after maximum aggregation: 2584
AfriNIC Deaggregation factor: 4.62
Prefixes being announced from the AfriNIC address blocks: 12569
Unique aggregates announced from the AfriNIC address blocks: 4119
AfriNIC Region origin ASes present in the Internet Routing Table: 693
AfriNIC Prefixes per ASN: 18.14
AfriNIC Region origin ASes announcing only one prefix: 206
AfriNIC Region transit ASes present in the Internet Routing Table: 137
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: 8
Number of AfriNIC addresses announced to Internet: 48535808
Equivalent to 2 /8s, 228 /16s and 153 /24s
Percentage of available AfriNIC address space announced: 48.2
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 2725 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2156 11550 652 Korea Telecom (KIX)
7545 2098 319 109 TPG Internet Pty Ltd
4755 1811 401 186 TATA Communications formerly
9829 1543 1248 47 BSNL National Internet Backbo
9583 1329 103 542 Sify Limited
9498 1221 309 73 BHARTI Airtel Ltd.
7552 1171 1080 13 Vietel Corporation
24560 1099 382 167 Bharti Airtel Ltd., Telemedia
4808 1059 2014 311 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 3038 3688 53 BellSouth.net Inc.
22773 2302 2939 139 Cox Communications, Inc.
18566 2049 379 177 MegaPath Corporation
1785 2048 686 131 PaeTec Communications, Inc.
20115 1682 1658 597 Charter Communications
4323 1646 1098 418 Time Warner Telecom
701 1509 11144 782 MCI Communications Services,
30036 1381 311 576 Mediacom Communications Corp
7018 1330 17797 870 AT&T WorldNet Services
6983 1292 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 1898 544 16 OJSC "Vimpelcom"
34984 1367 244 225 TELLCOM ILETISIM HIZMETLERI A
20940 1188 450 893 Akamai Technologies European
31148 1010 45 20 FreeNet ISP
13188 896 99 42 TOV "Bank-Inform"
6849 843 363 39 JSC UKRTELECOM,
8551 806 370 41 Bezeq International
6830 772 2327 425 UPC Distribution Services
12479 679 798 53 Uni2 Autonomous System
9116 554 326 35 Goldenlines main autonomous s
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 3435 1829 94 NET Servicos de Comunicao S.A
10620 2693 436 200 Telmex Colombia S.A.
7303 1736 1161 231 Telecom Argentina Stet-France
18881 1721 908 20 Global Village Telecom
8151 1355 2852 418 UniNet S.A. de C.V.
11830 869 364 15 Instituto Costarricense de El
27947 823 94 90 Telconet S.A
6147 789 373 27 Telefonica Del Peru
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6503 772 434 61 AVANTEL, 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
36998 1854 112 5 Sudanese Mobile Telephone (ZA
24863 872 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 413 956 9 TEDATA
24835 298 144 9 RAYA Telecom - Egypt
29571 249 21 13 Ci Telecom Autonomous system
3741 247 921 209 The Internet Solution
36992 246 525 29 Etisalat MISR
15706 219 32 6 Sudatel Internet Exchange Aut
37054 213 11 5 Data Telecom Service
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 3435 1829 94 NET Servicos de Comunicao S.A
6389 3038 3688 53 BellSouth.net Inc.
17974 2725 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2693 436 200 Telmex Colombia S.A.
22773 2302 2939 139 Cox Communications, Inc.
4766 2156 11550 652 Korea Telecom (KIX)
7545 2098 319 109 TPG Internet Pty Ltd
18566 2049 379 177 MegaPath Corporation
1785 2048 686 131 PaeTec Communications, Inc.
8402 1898 544 16 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 3038 2985 BellSouth.net Inc.
17974 2725 2637 PT TELEKOMUNIKASI INDONESIA
10620 2693 2493 Telmex Colombia S.A.
22773 2302 2163 Cox Communications, Inc.
7545 2098 1989 TPG Internet Pty Ltd
1785 2048 1917 PaeTec Communications, Inc.
8402 1898 1882 OJSC "Vimpelcom"
18566 2049 1872 MegaPath Corporation
36998 1854 1849 Sudanese Mobile Telephone (ZA
18881 1721 1701 Global Village Telecom
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
62861 UNALLOCATED 12.37.197.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 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.
23.91.0.0/19 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.
23.91.120.0/21 36351 SoftLayer Technologies 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 /14:933 /15:1634 /16:12809 /17:6793 /18:11277
/19:23144 /20:33011 /21:35543 /22:49742 /23:43554 /24:249233
/25:8 /26:11 /27:12 /28:126 /29:215 /30:161
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2004 2049 MegaPath Corporation
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1700 3038 BellSouth.net Inc.
8402 1603 1898 OJSC "Vimpelcom"
22773 1553 2302 Cox Communications, Inc.
30036 1221 1381 Mediacom Communications Corp
11492 1184 1225 Cable One
1785 1088 2048 PaeTec Communications, Inc.
6983 1034 1292 ITC^Deltacom
22561 963 1239 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:922 2:891 3:3 4:15 5:807 6:21
8:609 12:1882 13:3 14:873 15:11 16:3
17:19 18:19 20:36 23:613 24:1757 27:1701
31:1529 32:40 33:2 34:5 36:101 37:1938
38:910 39:5 40:181 41:3363 42:228 44:14
46:2082 47:11 49:696 50:865 52:12 54:44
55:6 56:4 57:28 58:1079 59:582 60:366
61:1468 62:1237 63:1969 64:4384 65:2330 66:4152
67:2121 68:1095 69:3270 70:909 71:508 72:2016
74:2576 75:324 76:304 77:1176 78:1004 79:666
80:1287 81:1036 82:632 83:756 84:572 85:1255
86:382 87:1032 88:522 89:1572 90:151 91:5714
92:619 93:1538 94:2109 95:1546 96:518 97:349
98:1081 99:41 100:33 101:444 103:3782 105:531
106:144 107:243 108:518 109:2001 110:969 111:1124
112:576 113:798 114:733 115:1005 116:997 117:797
118:1216 119:1276 120:331 121:743 122:1785 123:1261
124:1349 125:1436 128:606 129:222 130:338 131:642
132:348 133:158 134:296 135:72 136:275 137:265
138:351 139:168 140:156 141:330 142:537 143:405
144:495 145:89 146:538 147:441 148:725 149:368
150:151 151:484 152:414 153:207 154:45 155:516
156:306 157:367 158:284 159:688 160:360 161:456
162:909 163:205 164:629 165:574 166:277 167:637
168:1034 169:122 170:1128 171:185 172:11 173:1626
174:661 175:522 176:1314 177:2543 178:1878 179:312
180:1584 181:884 182:1408 183:470 184:619 185:1108
186:2647 187:1433 188:1921 189:1257 190:7266 192:7009
193:5471 194:4033 195:3376 196:1348 197:1096 198:4703
199:5478 200:6030 201:2529 202:8792 203:8821 204:4461
205:2619 206:2797 207:2736 208:3957 209:3654 210:2934
211:1602 212:2190 213:1997 214:886 215:84 216:5398
217:1729 218:627 219:311 220:1265 221:587 222:327
223:530
End of report
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