* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 25 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 467653
Prefixes after maximum aggregation: 187953
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 233956
Total ASes present in the Internet Routing Table: 45385
Prefixes per ASN: 10.30
Origin-only ASes present in the Internet Routing Table: 35396
Origin ASes announcing only one prefix: 16309
Transit ASes present in the Internet Routing Table: 5805
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: 26
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1010
Unregistered ASNs in the Routing Table: 290
Number of 32-bit ASNs allocated by the RIRs: 5399
Number of 32-bit ASNs visible in the Routing Table: 4184
Prefixes from 32-bit ASNs in the Routing Table: 13070
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 1184
Number of addresses announced to Internet: 2675048704
Equivalent to 159 /8s, 114 /16s and 1 /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: 162687
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107745
Total APNIC prefixes after maximum aggregation: 33305
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 110661
Unique aggregates announced from the APNIC address blocks: 47475
APNIC Region origin ASes present in the Internet Routing Table: 4841
APNIC Prefixes per ASN: 22.86
APNIC Region origin ASes announcing only one prefix: 1238
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: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 756
Number of APNIC addresses announced to Internet: 727547392
Equivalent to 43 /8s, 93 /16s and 126 /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: 161332
Total ARIN prefixes after maximum aggregation: 81135
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162230
Unique aggregates announced from the ARIN address blocks: 75728
ARIN Region origin ASes present in the Internet Routing Table: 15873
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 6003
ARIN Region transit ASes present in the Internet Routing Table: 1589
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 38
Number of ARIN addresses announced to Internet: 1072911104
Equivalent to 63 /8s, 243 /16s and 83 /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: 119701
Total RIPE prefixes after maximum aggregation: 60952
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123366
Unique aggregates announced from the RIPE address blocks: 78706
RIPE Region origin ASes present in the Internet Routing Table: 17518
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8310
RIPE Region transit ASes present in the Internet Routing Table: 2810
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2485
Number of RIPE addresses announced to Internet: 656188672
Equivalent to 39 /8s, 28 /16s and 165 /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: 52660
Total LACNIC prefixes after maximum aggregation: 9814
LACNIC Deaggregation factor: 5.37
Prefixes being announced from the LACNIC address blocks: 57841
Unique aggregates announced from the LACNIC address blocks: 27145
LACNIC Region origin ASes present in the Internet Routing Table: 2035
LACNIC Prefixes per ASN: 28.42
LACNIC Region origin ASes announcing only one prefix: 555
LACNIC Region transit ASes present in the Internet Routing Table: 376
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: 899
Number of LACNIC addresses announced to Internet: 143633920
Equivalent to 8 /8s, 143 /16s and 174 /24s
Percentage of available LACNIC address space announced: 85.6
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: 11751
Total AfriNIC prefixes after maximum aggregation: 2564
AfriNIC Deaggregation factor: 4.58
Prefixes being announced from the AfriNIC address blocks: 12370
Unique aggregates announced from the AfriNIC address blocks: 3946
AfriNIC Region origin ASes present in the Internet Routing Table: 680
AfriNIC Prefixes per ASN: 18.19
AfriNIC Region origin ASes announcing only one prefix: 203
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: 6
Number of AfriNIC addresses announced to Internet: 48492288
Equivalent to 2 /8s, 227 /16s and 239 /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 2713 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2138 11550 641 Korea Telecom (KIX)
7545 2080 319 110 TPG Internet Pty Ltd
4755 1806 401 186 TATA Communications formerly
9829 1545 1245 45 BSNL National Internet Backbo
9583 1236 95 504 Sify Limited
9498 1197 310 79 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
24560 1096 382 166 Bharti Airtel Ltd., Telemedia
4808 1060 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 3042 3688 53 BellSouth.net Inc.
22773 2211 2941 142 Cox Communications, Inc.
18566 2052 379 177 MegaPath Corporation
1785 2043 685 131 PaeTec Communications, Inc.
20115 1681 1655 598 Charter Communications
4323 1650 1114 421 Time Warner Telecom
701 1508 11147 785 MCI Communications Services,
30036 1389 313 578 Mediacom Communications Corp
7018 1339 17794 878 AT&T WorldNet Services
6983 1295 756 580 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 1882 544 16 OJSC "Vimpelcom"
34984 1368 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1170 439 883 Akamai Technologies European
31148 1009 45 19 FreeNet ISP
13188 894 99 48 TOV "Bank-Inform"
6849 869 363 39 JSC UKRTELECOM,
8551 800 370 41 Bezeq International
6830 776 2328 428 UPC Distribution Services
12479 679 797 57 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 3394 1794 88 NET Servicos de Comunicao S.A
10620 2671 433 213 Telmex Colombia S.A.
7303 1728 1151 231 Telecom Argentina Stet-France
18881 1647 908 20 Global Village Telecom
8151 1343 2847 414 UniNet S.A. de C.V.
11830 867 364 15 Instituto Costarricense de El
27947 820 94 91 Telconet S.A
6503 789 434 63 AVANTEL, S.A.
6147 781 373 27 Telefonica Del Peru
7738 780 1498 36 Telecomunicacoes da Bahia 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 1864 112 5 Sudanese Mobile Telephone (ZA
24863 889 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 411 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
29571 226 17 13 Ci Telecom Autonomous system
15706 221 32 6 Sudatel Internet Exchange Aut
36992 219 501 29 Etisalat MISR
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 3394 1794 88 NET Servicos de Comunicao S.A
6389 3042 3688 53 BellSouth.net Inc.
17974 2713 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2671 433 213 Telmex Colombia S.A.
22773 2211 2941 142 Cox Communications, Inc.
4766 2138 11550 641 Korea Telecom (KIX)
7545 2080 319 110 TPG Internet Pty Ltd
18566 2052 379 177 MegaPath Corporation
1785 2043 685 131 PaeTec Communications, Inc.
8402 1882 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 3042 2989 BellSouth.net Inc.
17974 2713 2625 PT TELEKOMUNIKASI INDONESIA
10620 2671 2458 Telmex Colombia S.A.
22773 2211 2069 Cox Communications, Inc.
7545 2080 1970 TPG Internet Pty Ltd
1785 2043 1912 PaeTec Communications, Inc.
18566 2052 1875 MegaPath Corporation
8402 1882 1866 OJSC "Vimpelcom"
36998 1864 1859 Sudanese Mobile Telephone (ZA
18881 1647 1627 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
23.91.21.0/24 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.
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 /14:927 /15:1626 /16:12783 /17:6798 /18:11261
/19:23085 /20:32937 /21:35426 /22:49527 /23:43534 /24:248206
/25:8 /26:11 /27:12 /28:125 /29:216 /30:154
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2006 2052 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1700 3042 BellSouth.net Inc.
8402 1562 1882 OJSC "Vimpelcom"
22773 1466 2211 Cox Communications, Inc.
30036 1232 1389 Mediacom Communications Corp
11492 1195 1233 Cable One
1785 1088 2043 PaeTec Communications, Inc.
6983 1036 1295 ITC^Deltacom
22561 962 1238 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:898 2:888 3:3 4:16 5:1026 6:21
8:602 12:1875 13:3 14:877 15:12 16:3
17:18 18:19 20:21 23:585 24:1755 27:1627
31:1521 32:40 33:2 34:5 36:86 37:1938
38:909 39:5 40:182 41:3217 42:286 44:14
46:2026 47:11 49:685 50:850 52:12 54:43
55:4 56:4 57:29 58:1090 59:572 60:364
61:1460 62:1252 63:1975 64:4348 65:2346 66:4148
67:2098 68:1092 69:3287 70:886 71:487 72:2011
74:2574 75:318 76:303 77:1124 78:1057 79:659
80:1268 81:1047 82:654 83:682 84:585 85:1249
86:376 87:1001 88:557 89:1564 90:152 91:5693
92:611 93:1606 94:2069 95:1554 96:516 97:348
98:1039 99:41 100:31 101:404 103:3666 105:527
106:141 107:218 108:518 109:1980 110:970 111:1100
112:583 113:812 114:726 115:1007 116:979 117:799
118:1186 119:1269 120:330 121:735 122:1788 123:1256
124:1357 125:1431 128:631 129:218 130:336 131:660
132:355 133:158 134:294 135:72 136:283 137:245
138:352 139:294 140:173 141:318 142:534 143:393
144:491 145:90 146:514 147:383 148:722 149:369
150:152 151:665 152:412 153:205 154:55 155:501
156:298 157:370 158:283 159:694 160:361 161:452
162:859 163:204 164:617 165:584 166:261 167:634
168:1032 169:124 170:1120 171:184 172:27 173:1587
174:661 175:508 176:1308 177:2505 178:1866 179:303
180:1576 181:862 182:1375 183:453 184:622 185:1056
186:2659 187:1492 188:1858 189:1254 190:7283 192:7001
193:5435 194:4032 195:3363 196:1307 197:1068 198:4700
199:5463 200:6035 201:2518 202:8777 203:8818 204:4469
205:2628 206:2749 207:2722 208:3955 209:3644 210:2919
211:1568 212:2176 213:2001 214:889 215:88 216:5379
217:1699 218:610 219:316 220:1268 221:585 222:324
223:499
End of report
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