* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 19 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 467984
Prefixes after maximum aggregation: 187882
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 234384
Total ASes present in the Internet Routing Table: 45341
Prefixes per ASN: 10.32
Origin-only ASes present in the Internet Routing Table: 35362
Origin ASes announcing only one prefix: 16308
Transit ASes present in the Internet Routing Table: 5816
Transit-only ASes present in the Internet Routing Table: 139
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: 932
Unregistered ASNs in the Routing Table: 268
Number of 32-bit ASNs allocated by the RIRs: 5363
Number of 32-bit ASNs visible in the Routing Table: 4163
Prefixes from 32-bit ASNs in the Routing Table: 12997
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 1105
Number of addresses announced to Internet: 2675806464
Equivalent to 159 /8s, 125 /16s and 145 /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: 163044
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107729
Total APNIC prefixes after maximum aggregation: 33204
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 110618
Unique aggregates announced from the APNIC address blocks: 47451
APNIC Region origin ASes present in the Internet Routing Table: 4843
APNIC Prefixes per ASN: 22.84
APNIC Region origin ASes announcing only one prefix: 1240
APNIC Region transit ASes present in the Internet Routing Table: 819
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: 745
Number of APNIC addresses announced to Internet: 728702208
Equivalent to 43 /8s, 111 /16s and 29 /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: 161590
Total ARIN prefixes after maximum aggregation: 81159
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162490
Unique aggregates announced from the ARIN address blocks: 76015
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: 6008
ARIN Region transit ASes present in the Internet Routing Table: 1592
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: 37
Number of ARIN addresses announced to Internet: 1073289472
Equivalent to 63 /8s, 249 /16s and 25 /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: 119881
Total RIPE prefixes after maximum aggregation: 60979
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 123554
Unique aggregates announced from the RIPE address blocks: 78934
RIPE Region origin ASes present in the Internet Routing Table: 17513
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8306
RIPE Region transit ASes present in the Internet Routing Table: 2808
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2481
Number of RIPE addresses announced to Internet: 656305664
Equivalent to 39 /8s, 30 /16s and 110 /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: 52614
Total LACNIC prefixes after maximum aggregation: 9781
LACNIC Deaggregation factor: 5.38
Prefixes being announced from the LACNIC address blocks: 57738
Unique aggregates announced from the LACNIC address blocks: 27042
LACNIC Region origin ASes present in the Internet Routing Table: 2028
LACNIC Prefixes per ASN: 28.47
LACNIC Region origin ASes announcing only one prefix: 554
LACNIC Region transit ASes present in the Internet Routing Table: 384
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: 894
Number of LACNIC addresses announced to Internet: 143268096
Equivalent to 8 /8s, 138 /16s and 25 /24s
Percentage of available LACNIC address space announced: 85.4
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: 11850
Total AfriNIC prefixes after maximum aggregation: 2604
AfriNIC Deaggregation factor: 4.55
Prefixes being announced from the AfriNIC address blocks: 12478
Unique aggregates announced from the AfriNIC address blocks: 4047
AfriNIC Region origin ASes present in the Internet Routing Table: 684
AfriNIC Prefixes per ASN: 18.24
AfriNIC Region origin ASes announcing only one prefix: 200
AfriNIC Region transit ASes present in the Internet Routing Table: 138
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: 48133632
Equivalent to 2 /8s, 222 /16s and 118 /24s
Percentage of available AfriNIC address space announced: 47.8
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 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2135 11550 641 Korea Telecom (KIX)
7545 2084 319 111 TPG Internet Pty Ltd
4755 1804 401 186 TATA Communications formerly
9829 1544 1245 45 BSNL National Internet Backbo
9583 1234 95 507 Sify Limited
9498 1213 309 74 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
24560 1095 380 163 Bharti Airtel Ltd., Telemedia
4808 1063 2019 314 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 3049 3688 54 BellSouth.net Inc.
22773 2200 2939 139 Cox Communications, Inc.
18566 2053 379 177 MegaPath Corporation
1785 2039 685 130 PaeTec Communications, Inc.
20115 1682 1654 607 Charter Communications
4323 1649 1114 420 Time Warner Telecom
701 1507 11147 785 MCI Communications Services,
30036 1382 311 583 Mediacom Communications Corp
7018 1340 17794 878 AT&T WorldNet Services
6983 1293 756 579 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 1899 544 16 OJSC "Vimpelcom"
34984 1366 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1157 430 873 Akamai Technologies European
31148 1003 45 23 FreeNet ISP
13188 894 99 48 TOV "Bank-Inform"
6849 861 356 30 JSC UKRTELECOM,
8551 798 370 41 Bezeq International
6830 777 2329 429 UPC Distribution Services
12479 680 798 55 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 3416 1793 87 NET Servicos de Comunicao S.A
10620 2666 432 219 Telmex Colombia S.A.
7303 1727 1150 230 Telecom Argentina Stet-France
18881 1624 908 20 Global Village Telecom
8151 1348 2851 411 UniNet S.A. de C.V.
11830 866 364 15 Instituto Costarricense de El
27947 819 94 91 Telconet S.A
6147 813 373 27 Telefonica Del Peru
6503 789 434 63 AVANTEL, S.A.
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 888 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 415 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
36992 228 501 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 3416 1793 87 NET Servicos de Comunicao S.A
6389 3049 3688 54 BellSouth.net Inc.
17974 2712 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2666 432 219 Telmex Colombia S.A.
22773 2200 2939 139 Cox Communications, Inc.
4766 2135 11550 641 Korea Telecom (KIX)
7545 2084 319 111 TPG Internet Pty Ltd
18566 2053 379 177 MegaPath Corporation
1785 2039 685 130 PaeTec Communications, Inc.
8402 1899 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 3049 2995 BellSouth.net Inc.
17974 2712 2624 PT TELEKOMUNIKASI INDONESIA
10620 2666 2447 Telmex Colombia S.A.
22773 2200 2061 Cox Communications, Inc.
7545 2084 1973 TPG Internet Pty Ltd
1785 2039 1909 PaeTec Communications, Inc.
8402 1899 1883 OJSC "Vimpelcom"
18566 2053 1876 MegaPath Corporation
36998 1864 1859 Sudanese Mobile Telephone (ZA
4755 1804 1618 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
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
23.91.14.0/24 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
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
23.91.164.0/22 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 /12:255
/13:471 /14:924 /15:1625 /16:12803 /17:6781 /18:11280
/19:23082 /20:32855 /21:35468 /22:49516 /23:43532 /24:248570
/25:9 /26:11 /27:12 /28:126 /29:219 /30:154
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2007 2053 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1704 3049 BellSouth.net Inc.
8402 1582 1899 OJSC "Vimpelcom"
22773 1459 2200 Cox Communications, Inc.
30036 1228 1382 Mediacom Communications Corp
11492 1194 1232 Cable One
1785 1086 2039 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
22561 963 1240 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:896 2:925 3:3 4:16 5:1029 6:21
8:615 12:1883 13:3 14:862 15:11 16:3
17:16 18:19 20:21 23:563 24:1743 27:1626
31:1519 32:40 33:2 34:5 36:86 37:1926
38:912 39:5 40:182 41:3282 42:270 44:14
46:2026 47:11 49:689 50:844 52:12 54:43
55:6 56:4 57:29 58:1090 59:574 60:376
61:1459 62:1248 63:1978 64:4322 65:2343 66:4150
67:2110 68:1096 69:3272 70:873 71:484 72:2039
74:2571 75:325 76:307 77:1131 78:1040 79:670
80:1298 81:1059 82:657 83:675 84:585 85:1254
86:382 87:1034 88:558 89:1560 90:152 91:5677
92:613 93:1611 94:2064 95:1623 96:512 97:349
98:1039 99:41 100:31 101:379 103:3601 105:527
106:140 107:219 108:515 109:1977 110:969 111:1113
112:587 113:808 114:731 115:1008 116:992 117:805
118:1179 119:1250 120:327 121:741 122:1784 123:1252
124:1371 125:1441 128:625 129:219 130:320 131:654
132:346 133:158 134:547 135:72 136:283 137:244
138:349 139:174 140:171 141:318 142:530 143:412
144:479 145:90 146:520 147:381 148:729 149:369
150:137 151:653 152:412 153:205 154:52 155:499
156:293 157:370 158:279 159:694 160:361 161:450
162:857 163:201 164:627 165:581 166:261 167:635
168:1038 169:124 170:1118 171:184 172:27 173:1588
174:690 175:509 176:1312 177:2479 178:1982 179:281
180:1583 181:877 182:1378 183:463 184:635 185:1039
186:2629 187:1483 188:1872 189:1270 190:7269 192:6985
193:5421 194:4042 195:3372 196:1340 197:1052 198:4691
199:5452 200:6039 201:2515 202:8782 203:8809 204:4467
205:2612 206:2743 207:2766 208:3987 209:3641 210:2919
211:1558 212:2176 213:2002 214:892 215:91 216:5406
217:1698 218:618 219:316 220:1272 221:579 222:324
223:506
End of report
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