* BGP Routing Table Analysis Reports *
Routing Table Report 09:00 +10GMT Sat 23 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 466412
Prefixes after maximum aggregation: 188131
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 234054
Total ASes present in the Internet Routing Table: 45396
Prefixes per ASN: 10.27
Origin-only ASes present in the Internet Routing Table: 35423
Origin ASes announcing only one prefix: 16287
Transit ASes present in the Internet Routing Table: 5794
Transit-only ASes present in the Internet Routing Table: 153
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: 941
Unregistered ASNs in the Routing Table: 250
Number of 32-bit ASNs allocated by the RIRs: 5386
Number of 32-bit ASNs visible in the Routing Table: 4179
Prefixes from 32-bit ASNs in the Routing Table: 13096
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1164
Number of addresses announced to Internet: 2652038240
Equivalent to 158 /8s, 18 /16s and 228 /24s
Percentage of available address space announced: 71.6
Percentage of allocated address space announced: 71.6
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: 162884
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107652
Total APNIC prefixes after maximum aggregation: 33347
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 109892
Unique aggregates announced from the APNIC address blocks: 47500
APNIC Region origin ASes present in the Internet Routing Table: 4842
APNIC Prefixes per ASN: 22.70
APNIC Region origin ASes announcing only one prefix: 1235
APNIC Region transit ASes present in the Internet Routing Table: 811
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: 756
Number of APNIC addresses announced to Internet: 727016960
Equivalent to 43 /8s, 85 /16s and 102 /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: 161784
Total ARIN prefixes after maximum aggregation: 81233
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162357
Unique aggregates announced from the ARIN address blocks: 75732
ARIN Region origin ASes present in the Internet Routing Table: 15879
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 6002
ARIN Region transit ASes present in the Internet Routing Table: 1603
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: 38
Number of ARIN addresses announced to Internet: 1073006848
Equivalent to 63 /8s, 244 /16s and 201 /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: 118790
Total RIPE prefixes after maximum aggregation: 60958
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122782
Unique aggregates announced from the RIPE address blocks: 78763
RIPE Region origin ASes present in the Internet Routing Table: 17508
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8287
RIPE Region transit ASes present in the Internet Routing Table: 2787
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2482
Number of RIPE addresses announced to Internet: 656192096
Equivalent to 39 /8s, 28 /16s and 178 /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: 52720
Total LACNIC prefixes after maximum aggregation: 9812
LACNIC Deaggregation factor: 5.37
Prefixes being announced from the LACNIC address blocks: 57865
Unique aggregates announced from the LACNIC address blocks: 27097
LACNIC Region origin ASes present in the Internet Routing Table: 2038
LACNIC Prefixes per ASN: 28.39
LACNIC Region origin ASes announcing only one prefix: 556
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: 897
Number of LACNIC addresses announced to Internet: 143617024
Equivalent to 8 /8s, 143 /16s and 108 /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: 11725
Total AfriNIC prefixes after maximum aggregation: 2589
AfriNIC Deaggregation factor: 4.53
Prefixes being announced from the AfriNIC address blocks: 12352
Unique aggregates announced from the AfriNIC address blocks: 4026
AfriNIC Region origin ASes present in the Internet Routing Table: 684
AfriNIC Prefixes per ASN: 18.06
AfriNIC Region origin ASes announcing only one prefix: 207
AfriNIC Region transit ASes present in the Internet Routing Table: 132
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: 48240640
Equivalent to 2 /8s, 224 /16s and 24 /24s
Percentage of available AfriNIC address space announced: 47.9
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 2094 319 110 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 1095 380 166 Bharti Airtel Ltd., Telemedia
4808 1081 2020 309 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 3042 3688 53 BellSouth.net Inc.
22773 2212 2941 142 Cox Communications, Inc.
1785 2058 686 146 PaeTec Communications, Inc.
18566 2056 379 178 MegaPath Corporation
20115 1681 1655 598 Charter Communications
4323 1649 1114 419 Time Warner Telecom
701 1506 11146 781 MCI Communications Services,
30036 1388 313 578 Mediacom Communications Corp
7018 1342 17795 880 AT&T WorldNet Services
6983 1297 774 582 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 1860 544 16 OJSC "Vimpelcom"
34984 1367 244 223 TELLCOM ILETISIM HIZMETLERI A
20940 1140 424 865 Akamai Technologies European
31148 1009 45 19 FreeNet ISP
13188 896 99 48 TOV "Bank-Inform"
6849 869 363 39 JSC UKRTELECOM,
8551 785 370 41 Bezeq International
6830 777 2328 429 UPC Distribution Services
12479 679 797 57 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 3389 1794 88 NET Servicos de Comunicao S.A
10620 2671 433 213 Telmex Colombia S.A.
7303 1729 1151 232 Telecom Argentina Stet-France
18881 1647 908 20 Global Village Telecom
8151 1345 2847 412 UniNet S.A. de C.V.
11830 867 364 15 Instituto Costarricense de El
27947 821 94 92 Telconet S.A
6147 790 373 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 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/us/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3389 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 2212 2941 142 Cox Communications, Inc.
4766 2138 11550 641 Korea Telecom (KIX)
7545 2094 319 110 TPG Internet Pty Ltd
1785 2058 686 146 PaeTec Communications, Inc.
18566 2056 379 178 MegaPath Corporation
36998 1864 112 5 Sudanese Mobile Telephone (ZA
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 3042 2989 BellSouth.net Inc.
17974 2713 2625 PT TELEKOMUNIKASI INDONESIA
10620 2671 2458 Telmex Colombia S.A.
22773 2212 2070 Cox Communications, Inc.
7545 2094 1984 TPG Internet Pty Ltd
1785 2058 1912 PaeTec Communications, Inc.
18566 2056 1878 MegaPath Corporation
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1860 1844 OJSC "Vimpelcom"
18881 1647 1627 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
23.91.21.0/24 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.
23.91.160.0/19 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 /11:92 /12:253
/13:469 /14:914 /15:1607 /16:12755 /17:6680 /18:11068
/19:22810 /20:32719 /21:35383 /22:49442 /23:43483 /24:248225
/25:43 /26:37 /27:26 /28:41 /29:40 /30:228
/31:13 /32:26
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 1700 3042 BellSouth.net Inc.
8402 1541 1860 OJSC "Vimpelcom"
22773 1467 2212 Cox Communications, Inc.
30036 1232 1388 Mediacom Communications Corp
11492 1195 1233 Cable One
1785 1095 2058 PaeTec Communications, Inc.
6983 1036 1297 ITC^Deltacom
22561 964 1241 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 2:815 3:3 4:17 5:1026 6:21
8:606 12:1880 13:3 14:876 15:11 16:3
17:18 18:19 20:21 23:583 24:1756 27:1623
31:1501 32:43 33:2 34:5 36:86 37:1934
38:911 39:5 40:182 41:3220 42:288 44:13
46:2020 47:10 49:692 50:842 52:12 54:44
55:4 56:4 57:26 58:1089 59:569 60:366
61:1461 62:1236 63:1987 64:4316 65:2344 66:4156
67:2090 68:1091 69:3297 70:887 71:488 72:2012
74:2566 75:325 76:292 77:1157 78:1046 79:662
80:1273 81:1047 82:647 83:682 84:587 85:1257
86:375 87:1020 88:557 89:1562 90:152 91:5683
92:615 93:1609 94:2070 95:1553 96:512 97:348
98:1035 99:41 100:31 101:403 103:3647 105:527
106:141 107:216 108:516 109:1979 110:973 111:1115
112:589 113:811 114:734 115:1019 116:977 117:802
118:1182 119:1255 120:329 121:734 122:1783 123:1241
124:1357 125:1437 128:628 129:212 130:336 131:658
132:355 133:158 134:293 135:72 136:283 137:244
138:352 139:292 140:173 141:318 142:535 143:398
144:492 145:90 146:521 147:393 148:727 149:361
150:150 151:665 152:412 153:205 154:54 155:500
156:292 157:370 158:283 159:695 160:360 161:451
162:867 163:204 164:604 165:584 166:262 167:634
168:1034 169:121 170:1125 171:185 172:27 173:1590
174:692 175:509 176:1310 177:2501 178:1863 179:305
180:1590 181:862 182:1377 183:467 184:622 185:1058
186:2655 187:1495 188:1863 189:1266 190:7271 192:6999
193:5425 194:4021 195:3366 196:1333 197:1054 198:4699
199:5460 200:6029 201:2522 202:8794 203:8800 204:4476
205:2634 206:2746 207:2772 208:3969 209:3643 210:2932
211:1567 212:2148 213:1994 214:893 215:91 216:5390
217:1693 218:618 219:316 220:1273 221:585 222:326
223:503
End of report
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