* BGP Routing Table Analysis Reports *
Routing Table Report 09:00 +10GMT Wed 20 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 466557
Prefixes after maximum aggregation: 188034
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 234218
Total ASes present in the Internet Routing Table: 45342
Prefixes per ASN: 10.29
Origin-only ASes present in the Internet Routing Table: 35385
Origin ASes announcing only one prefix: 16290
Transit ASes present in the Internet Routing Table: 5794
Transit-only ASes present in the Internet Routing Table: 150
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 37
Max AS path prepend of ASN ( 55644) 31
Prefixes from unregistered ASNs in the Routing Table: 864
Unregistered ASNs in the Routing Table: 242
Number of 32-bit ASNs allocated by the RIRs: 5367
Number of 32-bit ASNs visible in the Routing Table: 4163
Prefixes from 32-bit ASNs in the Routing Table: 13023
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1087
Number of addresses announced to Internet: 2656740448
Equivalent to 158 /8s, 90 /16s and 164 /24s
Percentage of available address space announced: 71.8
Percentage of allocated address space announced: 71.8
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: 163151
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107529
Total APNIC prefixes after maximum aggregation: 33312
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 109751
Unique aggregates announced from the APNIC address blocks: 47315
APNIC Region origin ASes present in the Internet Routing Table: 4844
APNIC Prefixes per ASN: 22.66
APNIC Region origin ASes announcing only one prefix: 1238
APNIC Region transit ASes present in the Internet Routing Table: 816
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 745
Number of APNIC addresses announced to Internet: 732489728
Equivalent to 43 /8s, 168 /16s and 232 /24s
Percentage of available APNIC address space announced: 85.6
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: 162082
Total ARIN prefixes after maximum aggregation: 81219
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 162631
Unique aggregates announced from the ARIN address blocks: 75953
ARIN Region origin ASes present in the Internet Routing Table: 15864
ARIN Prefixes per ASN: 10.25
ARIN Region origin ASes announcing only one prefix: 5998
ARIN Region transit ASes present in the Internet Routing Table: 1599
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 37
Number of ARIN addresses announced to Internet: 1072720128
Equivalent to 63 /8s, 240 /16s and 105 /24s
Percentage of available ARIN address space announced: 56.7
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: 119035
Total RIPE prefixes after maximum aggregation: 60971
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 123027
Unique aggregates announced from the RIPE address blocks: 78977
RIPE Region origin ASes present in the Internet Routing Table: 17505
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8292
RIPE Region transit ASes present in the Internet Routing Table: 2792
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2480
Number of RIPE addresses announced to Internet: 656294496
Equivalent to 39 /8s, 30 /16s and 66 /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: 52545
Total LACNIC prefixes after maximum aggregation: 9781
LACNIC Deaggregation factor: 5.37
Prefixes being announced from the LACNIC address blocks: 57671
Unique aggregates announced from the LACNIC address blocks: 27071
LACNIC Region origin ASes present in the Internet Routing Table: 2031
LACNIC Prefixes per ASN: 28.40
LACNIC Region origin ASes announcing only one prefix: 557
LACNIC Region transit ASes present in the Internet Routing Table: 379
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 895
Number of LACNIC addresses announced to Internet: 143303168
Equivalent to 8 /8s, 138 /16s and 162 /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: 11765
Total AfriNIC prefixes after maximum aggregation: 2594
AfriNIC Deaggregation factor: 4.54
Prefixes being announced from the AfriNIC address blocks: 12390
Unique aggregates announced from the AfriNIC address blocks: 4026
AfriNIC Region origin ASes present in the Internet Routing Table: 680
AfriNIC Prefixes per ASN: 18.22
AfriNIC Region origin ASes announcing only one prefix: 205
AfriNIC Region transit ASes present in the Internet Routing Table: 131
Average AfriNIC Region AS path length visible: 4.0
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: 48087296
Equivalent to 2 /8s, 221 /16s and 193 /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 2706 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2136 11550 641 Korea Telecom (KIX)
7545 2092 319 108 TPG Internet Pty Ltd
4755 1776 391 189 TATA Communications formerly
9829 1544 1245 45 BSNL National Internet Backbo
9583 1246 95 509 Sify Limited
9498 1210 309 73 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
24560 1096 380 163 Bharti Airtel Ltd., Telemedia
4808 1082 2024 311 CNCGROUP IP network: China169
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3044 3688 53 BellSouth.net Inc.
22773 2204 2941 141 Cox Communications, Inc.
1785 2056 686 145 PaeTec Communications, Inc.
18566 2056 379 178 MegaPath Corporation
20115 1684 1655 606 Charter Communications
4323 1645 1114 418 Time Warner Telecom
701 1506 11146 781 MCI Communications Services,
30036 1383 312 582 Mediacom Communications Corp
7018 1345 17795 882 AT&T WorldNet Services
6983 1296 772 581 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1874 544 16 OJSC "Vimpelcom"
34984 1364 244 223 TELLCOM ILETISIM HIZMETLERI A
20940 1132 420 858 Akamai Technologies European
31148 1005 45 19 FreeNet ISP
13188 896 99 48 TOV "Bank-Inform"
6849 861 356 30 JSC UKRTELECOM,
8551 785 370 41 Bezeq International
6830 778 2329 430 UPC Distribution Services
12479 679 798 55 Uni2 Autonomous System
35228 546 246 16 Avatar Broadband Limited
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3397 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 1633 908 20 Global Village Telecom
8151 1349 2851 409 UniNet S.A. de C.V.
11830 867 364 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/us/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 414 956 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/us/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3397 1793 87 NET Servicos de Comunicao S.A
6389 3044 3688 53 BellSouth.net Inc.
17974 2706 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2666 432 219 Telmex Colombia S.A.
22773 2204 2941 141 Cox Communications, Inc.
4766 2136 11550 641 Korea Telecom (KIX)
7545 2092 319 108 TPG Internet Pty Ltd
1785 2056 686 145 PaeTec Communications, Inc.
18566 2056 379 178 MegaPath Corporation
8402 1874 544 16 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3044 2991 BellSouth.net Inc.
17974 2706 2618 PT TELEKOMUNIKASI INDONESIA
10620 2666 2447 Telmex Colombia S.A.
22773 2204 2063 Cox Communications, Inc.
7545 2092 1984 TPG Internet Pty Ltd
1785 2056 1911 PaeTec Communications, Inc.
18566 2056 1878 MegaPath Corporation
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1874 1858 OJSC "Vimpelcom"
18881 1633 1613 Global Village Telecom
Complete listing at http://thyme.rand.apnic.net/us/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
62828 UNALLOCATED 8.21.130.0/24 4323 Time Warner Telecom
62850 UNALLOCATED 8.25.147.0/24 3356 Level 3 Communicatio
62734 UNALLOCATED 8.31.128.0/24 3356 Level 3 Communicatio
62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio
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
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/us/data-badAS
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.
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
Complete listing at http://thyme.rand.apnic.net/us/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 /8:16 /9:11 /10:31 /11:94 /12:254
/13:470 /14:912 /15:1605 /16:12776 /17:6669 /18:11099
/19:22814 /20:32616 /21:35357 /22:49437 /23:43433 /24:248521
/25:45 /26:38 /27:26 /28:42 /29:40 /30:214
/31:12 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2010 2056 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1701 3044 BellSouth.net Inc.
8402 1551 1874 OJSC "Vimpelcom"
22773 1461 2204 Cox Communications, Inc.
30036 1228 1383 Mediacom Communications Corp
11492 1193 1231 Cable One
1785 1095 2056 PaeTec Communications, Inc.
6983 1036 1296 ITC^Deltacom
22561 965 1242 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/us/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:898 2:861 3:3 4:17 5:1026 6:21
8:617 12:1884 13:3 14:878 15:11 16:3
17:16 18:19 20:21 23:563 24:1740 27:1626
31:1510 32:43 33:2 34:5 36:82 37:1926
38:914 39:5 40:182 41:3306 42:273 44:13
46:2021 47:10 49:692 50:838 52:12 54:44
55:6 56:4 57:26 58:1091 59:568 60:377
61:1460 62:1240 63:1982 64:4317 65:2341 66:4157
67:2113 68:1094 69:3295 70:871 71:489 72:2045
74:2568 75:325 76:296 77:1158 78:1050 79:672
80:1294 81:1047 82:647 83:676 84:585 85:1260
86:383 87:1029 88:558 89:1566 90:152 91:5682
92:612 93:1605 94:2063 95:1617 96:511 97:349
98:1036 99:41 100:30 101:400 103:3599 105:527
106:141 107:217 108:513 109:1979 110:971 111:1113
112:585 113:810 114:729 115:1008 116:994 117:804
118:1182 119:1247 120:326 121:732 122:1781 123:1239
124:1355 125:1437 128:631 129:215 130:335 131:658
132:352 133:158 134:547 135:72 136:283 137:243
138:349 139:291 140:171 141:317 142:534 143:414
144:494 145:90 146:520 147:397 148:730 149:369
150:135 151:652 152:412 153:205 154:52 155:500
156:293 157:370 158:281 159:693 160:360 161:451
162:855 163:202 164:617 165:580 166:262 167:636
168:1038 169:121 170:1117 171:184 172:27 173:1585
174:690 175:508 176:1313 177:2480 178:1973 179:297
180:1587 181:868 182:1376 183:449 184:634 185:1040
186:2631 187:1482 188:1871 189:1263 190:7262 192:6993
193:5415 194:4028 195:3372 196:1317 197:1026 198:4690
199:5456 200:6006 201:2510 202:8777 203:8815 204:4467
205:2619 206:2746 207:2769 208:3984 209:3645 210:2918
211:1557 212:2149 213:1977 214:899 215:91 216:5399
217:1697 218:618 219:316 220:1274 221:580 222:326
223:501
End of report
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