* BGP Routing Table Analysis Reports *
Routing Table Report 09:00 +10GMT Sat 21 Dec, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 468967
Prefixes after maximum aggregation: 189005
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 235782
Total ASes present in the Internet Routing Table: 45625
Prefixes per ASN: 10.28
Origin-only ASes present in the Internet Routing Table: 35490
Origin ASes announcing only one prefix: 16263
Transit ASes present in the Internet Routing Table: 5813
Transit-only ASes present in the Internet Routing Table: 154
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 35
Max AS path prepend of ASN ( 55644) 31
Prefixes from unregistered ASNs in the Routing Table: 1027
Unregistered ASNs in the Routing Table: 277
Number of 32-bit ASNs allocated by the RIRs: 5558
Number of 32-bit ASNs visible in the Routing Table: 4322
Prefixes from 32-bit ASNs in the Routing Table: 13526
Number of bogon 32-bit ASNs visible in the Routing Table: 1
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1454
Number of addresses announced to Internet: 2658011232
Equivalent to 158 /8s, 110 /16s and 8 /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: 95.3
Total number of prefixes smaller than registry allocations: 164009
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108421
Total APNIC prefixes after maximum aggregation: 33501
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 110686
Unique aggregates announced from the APNIC address blocks: 47818
APNIC Region origin ASes present in the Internet Routing Table: 4838
APNIC Prefixes per ASN: 22.88
APNIC Region origin ASes announcing only one prefix: 1220
APNIC Region transit ASes present in the Internet Routing Table: 819
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 790
Number of APNIC addresses announced to Internet: 727610112
Equivalent to 43 /8s, 94 /16s and 115 /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: 162103
Total ARIN prefixes after maximum aggregation: 81521
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162877
Unique aggregates announced from the ARIN address blocks: 75811
ARIN Region origin ASes present in the Internet Routing Table: 15875
ARIN Prefixes per ASN: 10.26
ARIN Region origin ASes announcing only one prefix: 5992
ARIN Region transit ASes present in the Internet Routing Table: 1618
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: 49
Number of ARIN addresses announced to Internet: 1074407424
Equivalent to 64 /8s, 10 /16s and 40 /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: 119363
Total RIPE prefixes after maximum aggregation: 61295
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 123112
Unique aggregates announced from the RIPE address blocks: 79262
RIPE Region origin ASes present in the Internet Routing Table: 17553
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8293
RIPE Region transit ASes present in the Internet Routing Table: 2776
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2537
Number of RIPE addresses announced to Internet: 655610720
Equivalent to 39 /8s, 19 /16s and 211 /24s
Percentage of available RIPE address space announced: 95.3
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: 53043
Total LACNIC prefixes after maximum aggregation: 9838
LACNIC Deaggregation factor: 5.39
Prefixes being announced from the LACNIC address blocks: 58394
Unique aggregates announced from the LACNIC address blocks: 27522
LACNIC Region origin ASes present in the Internet Routing Table: 2049
LACNIC Prefixes per ASN: 28.50
LACNIC Region origin ASes announcing only one prefix: 552
LACNIC Region transit ASes present in the Internet Routing Table: 386
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 938
Number of LACNIC addresses announced to Internet: 146967040
Equivalent to 8 /8s, 194 /16s and 138 /24s
Percentage of available LACNIC address space announced: 87.6
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: 11785
Total AfriNIC prefixes after maximum aggregation: 2605
AfriNIC Deaggregation factor: 4.52
Prefixes being announced from the AfriNIC address blocks: 12444
Unique aggregates announced from the AfriNIC address blocks: 4235
AfriNIC Region origin ASes present in the Internet Routing Table: 696
AfriNIC Prefixes per ASN: 17.88
AfriNIC Region origin ASes announcing only one prefix: 206
AfriNIC Region transit ASes present in the Internet Routing Table: 143
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: 8
Number of AfriNIC addresses announced to Internet: 48644096
Equivalent to 2 /8s, 230 /16s and 64 /24s
Percentage of available AfriNIC address space announced: 48.3
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 2730 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2155 11550 652 Korea Telecom (KIX)
7545 2106 319 113 TPG Internet Pty Ltd
4755 1788 391 190 TATA Communications formerly
9829 1552 1251 42 BSNL National Internet Backbo
9583 1298 100 535 Sify Limited
9498 1229 309 72 BHARTI Airtel Ltd.
7552 1168 1080 13 Vietel Corporation
24560 1098 382 167 Bharti Airtel Ltd., Telemedia
4808 1084 2024 319 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 3027 3688 53 BellSouth.net Inc.
22773 2306 2939 139 Cox Communications, Inc.
1785 2146 687 132 PaeTec Communications, Inc.
18566 2051 379 178 MegaPath Corporation
20115 1682 1664 594 Charter Communications
4323 1639 1097 414 Time Warner Telecom
701 1506 11144 777 MCI Communications Services,
30036 1375 309 574 Mediacom Communications Corp
7018 1312 17764 859 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 1801 544 16 OJSC "Vimpelcom"
34984 1366 243 226 TELLCOM ILETISIM HIZMETLERI A
20940 1212 459 916 Akamai Technologies European
31148 1011 45 19 FreeNet ISP
13188 920 99 40 TOV "Bank-Inform"
6849 861 363 39 JSC UKRTELECOM,
8551 846 370 38 Bezeq International
6830 773 2328 426 UPC Distribution Services
12479 683 798 53 Uni2 Autonomous System
35228 549 246 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 3427 1839 90 NET Servicos de Comunicao S.A
10620 2691 435 209 Telmex Colombia S.A.
18881 1778 908 20 Global Village Telecom
7303 1741 1163 228 Telecom Argentina Stet-France
8151 1358 2855 426 UniNet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 829 94 90 Telconet S.A
6503 788 434 61 AVANTEL, S.A.
6147 787 373 27 Telefonica Del Peru
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 1819 112 5 Sudanese Mobile Telephone (ZA
24863 883 338 26 LINKdotNET AS number
6713 598 653 27 Itissalat Al-MAGHRIB
8452 420 956 9 TEDATA
24835 298 144 9 RAYA Telecom - Egypt
3741 247 921 209 The Internet Solution
36992 247 526 30 Etisalat MISR
29571 239 21 14 Ci Telecom Autonomous system
15706 219 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 3427 1839 90 NET Servicos de Comunicao S.A
6389 3027 3688 53 BellSouth.net Inc.
17974 2730 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2691 435 209 Telmex Colombia S.A.
22773 2306 2939 139 Cox Communications, Inc.
4766 2155 11550 652 Korea Telecom (KIX)
1785 2146 687 132 PaeTec Communications, Inc.
7545 2106 319 113 TPG Internet Pty Ltd
18566 2051 379 178 MegaPath Corporation
36998 1819 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 3027 2974 BellSouth.net Inc.
17974 2730 2642 PT TELEKOMUNIKASI INDONESIA
10620 2691 2482 Telmex Colombia S.A.
22773 2306 2167 Cox Communications, Inc.
1785 2146 2014 PaeTec Communications, Inc.
7545 2106 1993 TPG Internet Pty Ltd
18566 2051 1873 MegaPath Corporation
36998 1819 1814 Sudanese Mobile Telephone (ZA
8402 1801 1785 OJSC "Vimpelcom"
18881 1778 1758 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.
23.91.120.0/21 36351 SoftLayer Technologies 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
/13:468 /14:927 /15:1618 /16:12796 /17:6659 /18:11126
/19:22893 /20:32806 /21:35499 /22:49997 /23:43641 /24:250006
/25:41 /26:34 /27:17 /28:18 /29:7 /30:2
/31:0 /32:9
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2006 2051 MegaPath Corporation
36998 1786 1819 Sudanese Mobile Telephone (ZA
6389 1699 3027 BellSouth.net Inc.
22773 1556 2306 Cox Communications, Inc.
8402 1506 1801 OJSC "Vimpelcom"
30036 1216 1375 Mediacom Communications Corp
1785 1163 2146 PaeTec Communications, Inc.
11492 1148 1185 Cable One
6983 1037 1296 ITC^Deltacom
22561 977 1252 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/us/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:923 2:816 3:3 4:16 5:825 6:21
8:616 12:1883 13:3 14:878 15:9 16:3
17:19 20:34 23:615 24:1751 27:1695 31:1515
32:43 33:2 34:5 36:104 37:1951 38:915
39:3 40:182 41:3215 42:236 44:13 46:2094
47:10 49:700 50:854 52:12 54:44 55:5
56:4 57:26 58:1068 59:580 60:369 61:1472
62:1226 63:1978 64:4386 65:2331 66:4131 67:2112
68:1085 69:3293 70:906 71:511 72:2023 74:2579
75:323 76:294 77:1214 78:1016 79:676 80:1284
81:1083 82:643 83:754 84:623 85:1271 86:404
87:1013 88:524 89:1566 90:150 91:5730 92:626
93:1616 94:2100 95:1507 96:519 97:351 98:1076
99:41 100:32 101:443 103:3808 105:533 106:144
107:253 108:528 109:2015 110:959 111:1132 112:587
113:807 114:736 115:996 116:998 117:803 118:1235
119:1253 120:333 121:734 122:1790 123:1236 124:1346
125:1445 128:598 129:218 130:340 131:657 132:345
133:159 134:297 135:73 136:276 137:245 138:351
139:165 140:174 141:336 142:539 143:402 144:493
145:90 146:535 147:420 148:740 149:359 150:152
151:479 152:405 153:208 154:49 155:519 156:310
157:368 158:285 159:701 160:359 161:448 162:962
163:207 164:632 165:578 166:281 167:641 168:1037
169:119 170:1152 171:185 172:12 173:1713 174:675
175:529 176:1324 177:2604 178:1905 179:347 180:1596
181:915 182:1412 183:475 184:625 185:1144 186:2785
187:1471 188:1943 189:1265 190:7284 192:7009 193:5427
194:4027 195:3391 196:1343 197:1076 198:4738 199:5492
200:6040 201:2544 202:8802 203:8826 204:4466 205:2617
206:2817 207:2757 208:3950 209:3681 210:2938 211:1605
212:2181 213:1971 214:870 215:85 216:5419 217:1720
218:613 219:315 220:1260 221:591 222:329 223:550
End of report
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