* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 09 Dec, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 468756
Prefixes after maximum aggregation: 188451
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 234767
Total ASes present in the Internet Routing Table: 45475
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 35399
Origin ASes announcing only one prefix: 16285
Transit ASes present in the Internet Routing Table: 5815
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 ( 55644) 25
Prefixes from unregistered ASNs in the Routing Table: 1042
Unregistered ASNs in the Routing Table: 280
Number of 32-bit ASNs allocated by the RIRs: 5478
Number of 32-bit ASNs visible in the Routing Table: 4261
Prefixes from 32-bit ASNs in the Routing Table: 13281
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: 1358
Number of addresses announced to Internet: 2678372096
Equivalent to 159 /8s, 164 /16s and 183 /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: 162892
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108380
Total APNIC prefixes after maximum aggregation: 33419
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 111275
Unique aggregates announced from the APNIC address blocks: 47784
APNIC Region origin ASes present in the Internet Routing Table: 4836
APNIC Prefixes per ASN: 23.01
APNIC Region origin ASes announcing only one prefix: 1224
APNIC Region transit ASes present in the Internet Routing Table: 824
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: 779
Number of APNIC addresses announced to Internet: 727854080
Equivalent to 43 /8s, 98 /16s and 44 /24s
Percentage of available APNIC address space announced: 85.1
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: 161294
Total ARIN prefixes after maximum aggregation: 81261
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 162117
Unique aggregates announced from the ARIN address blocks: 75421
ARIN Region origin ASes present in the Internet Routing Table: 15858
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 6007
ARIN Region transit ASes present in the Internet Routing Table: 1593
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: 43
Number of ARIN addresses announced to Internet: 1072920832
Equivalent to 63 /8s, 243 /16s and 121 /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: 119933
Total RIPE prefixes after maximum aggregation: 61141
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123709
Unique aggregates announced from the RIPE address blocks: 79022
RIPE Region origin ASes present in the Internet Routing Table: 17538
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8298
RIPE Region transit ASes present in the Internet Routing Table: 2800
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 23
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2516
Number of RIPE addresses announced to Internet: 656181760
Equivalent to 39 /8s, 28 /16s and 138 /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: 52560
Total LACNIC prefixes after maximum aggregation: 9828
LACNIC Deaggregation factor: 5.35
Prefixes being announced from the LACNIC address blocks: 57759
Unique aggregates announced from the LACNIC address blocks: 27417
LACNIC Region origin ASes present in the Internet Routing Table: 2033
LACNIC Prefixes per ASN: 28.41
LACNIC Region origin ASes announcing only one prefix: 551
LACNIC Region transit ASes present in the Internet Routing Table: 383
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: 916
Number of LACNIC addresses announced to Internet: 146143232
Equivalent to 8 /8s, 181 /16s and 248 /24s
Percentage of available LACNIC address space announced: 87.1
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: 11888
Total AfriNIC prefixes after maximum aggregation: 2578
AfriNIC Deaggregation factor: 4.61
Prefixes being announced from the AfriNIC address blocks: 12537
Unique aggregates announced from the AfriNIC address blocks: 4047
AfriNIC Region origin ASes present in the Internet Routing Table: 687
AfriNIC Prefixes per ASN: 18.25
AfriNIC Region origin ASes announcing only one prefix: 205
AfriNIC Region transit ASes present in the Internet Routing Table: 142
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: 7
Number of AfriNIC addresses announced to Internet: 48533504
Equivalent to 2 /8s, 228 /16s and 144 /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 2720 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2162 11551 653 Korea Telecom (KIX)
7545 2095 319 109 TPG Internet Pty Ltd
4755 1810 401 186 TATA Communications formerly
9829 1541 1246 45 BSNL National Internet Backbo
9583 1418 113 570 Sify Limited
9498 1221 309 73 BHARTI Airtel Ltd.
7552 1171 1080 13 Vietel Corporation
24560 1098 382 166 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 2298 2939 138 Cox Communications, Inc.
18566 2049 379 177 MegaPath Corporation
1785 2048 686 131 PaeTec Communications, Inc.
20115 1680 1656 596 Charter Communications
4323 1648 1114 420 Time Warner Telecom
701 1510 11144 783 MCI Communications Services,
30036 1380 311 580 Mediacom Communications Corp
7018 1337 17797 876 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 1885 544 16 OJSC "Vimpelcom"
34984 1368 244 225 TELLCOM ILETISIM HIZMETLERI A
20940 1200 455 900 Akamai Technologies European
31148 1010 45 20 FreeNet ISP
13188 896 99 42 TOV "Bank-Inform"
6849 855 363 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 3427 1829 94 NET Servicos de Comunicao S.A
10620 2693 436 200 Telmex Colombia S.A.
7303 1733 1161 228 Telecom Argentina Stet-France
18881 1709 908 20 Global Village Telecom
8151 1353 2852 420 UniNet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 823 94 90 Telconet S.A
6147 791 373 27 Telefonica Del Peru
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6503 773 434 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 414 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
29571 250 21 13 Ci Telecom Autonomous system
3741 247 921 209 The Internet Solution
36992 222 501 29 Etisalat MISR
15706 219 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 3427 1829 94 NET Servicos de Comunicao S.A
6389 3038 3688 53 BellSouth.net Inc.
17974 2720 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2693 436 200 Telmex Colombia S.A.
22773 2298 2939 138 Cox Communications, Inc.
4766 2162 11551 653 Korea Telecom (KIX)
7545 2095 319 109 TPG Internet Pty Ltd
18566 2049 379 177 MegaPath Corporation
1785 2048 686 131 PaeTec Communications, Inc.
8402 1885 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 2720 2632 PT TELEKOMUNIKASI INDONESIA
10620 2693 2493 Telmex Colombia S.A.
22773 2298 2160 Cox Communications, Inc.
7545 2095 1986 TPG Internet Pty Ltd
1785 2048 1917 PaeTec Communications, Inc.
18566 2049 1872 MegaPath Corporation
8402 1885 1869 OJSC "Vimpelcom"
36998 1854 1849 Sudanese Mobile Telephone (ZA
18881 1709 1689 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
/13:473 /14:935 /15:1636 /16:12818 /17:6798 /18:11270
/19:23130 /20:33022 /21:35516 /22:49720 /23:43573 /24:248793
/25:8 /26:11 /27:12 /28:122 /29:215 /30:160
/31:0 /32:138
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 1600 1885 OJSC "Vimpelcom"
22773 1550 2298 Cox Communications, Inc.
30036 1220 1380 Mediacom Communications Corp
11492 1183 1224 Cable One
1785 1088 2048 PaeTec Communications, Inc.
6983 1034 1292 ITC^Deltacom
22561 963 1238 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:921 2:884 3:3 4:15 5:814 6:21
8:607 12:1879 13:3 14:877 15:11 16:3
17:19 18:19 20:25 23:615 24:1756 27:1701
31:1525 32:40 33:2 34:5 36:96 37:1942
38:897 39:5 40:181 41:3355 42:227 44:14
46:2064 47:11 49:698 50:863 52:12 54:44
55:5 56:4 57:29 58:1068 59:583 60:366
61:1468 62:1214 63:1971 64:4341 65:2332 66:4136
67:2089 68:1078 69:3211 70:897 71:502 72:2005
74:2560 75:324 76:304 77:1187 78:1005 79:666
80:1280 81:1038 82:635 83:754 84:583 85:1256
86:382 87:1040 88:549 89:1569 90:154 91:5717
92:622 93:1613 94:2112 95:1541 96:450 97:333
98:1092 99:41 100:33 101:442 103:3780 105:531
106:143 107:230 108:504 109:1999 110:964 111:1120
112:580 113:799 114:733 115:1001 116:994 117:809
118:1216 119:1273 120:331 121:740 122:1781 123:1262
124:1334 125:1439 128:593 129:223 130:338 131:661
132:344 133:158 134:295 135:72 136:269 137:265
138:351 139:168 140:171 141:330 142:536 143:400
144:494 145:90 146:542 147:429 148:725 149:368
150:151 151:486 152:415 153:207 154:47 155:515
156:303 157:368 158:283 159:696 160:361 161:454
162:901 163:204 164:625 165:575 166:276 167:637
168:1036 169:123 170:1128 171:185 172:11 173:1638
174:662 175:522 176:1318 177:2493 178:1878 179:316
180:1598 181:878 182:1404 183:476 184:621 185:1113
186:2627 187:1453 188:1960 189:1256 190:7277 192:7014
193:5467 194:4037 195:3380 196:1350 197:1061 198:4693
199:5452 200:6036 201:2526 202:8789 203:8803 204:4436
205:2628 206:2793 207:2739 208:3952 209:3636 210:2940
211:1603 212:2192 213:1997 214:886 215:84 216:5359
217:1716 218:628 219:309 220:1264 221:587 222:327
223:512
End of report
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