* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 25 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 468350
Prefixes after maximum aggregation: 188785
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 232595
Total ASes present in the Internet Routing Table: 45067
Prefixes per ASN: 10.39
Origin-only ASes present in the Internet Routing Table: 35190
Origin ASes announcing only one prefix: 16274
Transit ASes present in the Internet Routing Table: 5920
Transit-only ASes present in the Internet Routing Table: 164
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 288
Unregistered ASNs in the Routing Table: 160
Number of 32-bit ASNs allocated by the RIRs: 5084
Number of 32-bit ASNs visible in the Routing Table: 3957
Prefixes from 32-bit ASNs in the Routing Table: 12114
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 560
Number of addresses announced to Internet: 2643765780
Equivalent to 157 /8s, 148 /16s and 170 /24s
Percentage of available address space announced: 71.4
Percentage of allocated address space announced: 71.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.0
Total number of prefixes smaller than registry allocations: 164142
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110983
Total APNIC prefixes after maximum aggregation: 33693
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 112998
Unique aggregates announced from the APNIC address blocks: 46696
APNIC Region origin ASes present in the Internet Routing Table: 4870
APNIC Prefixes per ASN: 23.20
APNIC Region origin ASes announcing only one prefix: 1218
APNIC Region transit ASes present in the Internet Routing Table: 836
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 686
Number of APNIC addresses announced to Internet: 728150272
Equivalent to 43 /8s, 102 /16s and 177 /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: 162786
Total ARIN prefixes after maximum aggregation: 81418
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163325
Unique aggregates announced from the ARIN address blocks: 75936
ARIN Region origin ASes present in the Internet Routing Table: 15904
ARIN Prefixes per ASN: 10.27
ARIN Region origin ASes announcing only one prefix: 6030
ARIN Region transit ASes present in the Internet Routing Table: 1657
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 21
Number of ARIN addresses announced to Internet: 1071719936
Equivalent to 63 /8s, 225 /16s and 38 /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: 118930
Total RIPE prefixes after maximum aggregation: 61236
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122520
Unique aggregates announced from the RIPE address blocks: 79298
RIPE Region origin ASes present in the Internet Routing Table: 17434
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8257
RIPE Region transit ASes present in the Internet Routing Table: 2814
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2401
Number of RIPE addresses announced to Internet: 657018852
Equivalent to 39 /8s, 41 /16s and 79 /24s
Percentage of available RIPE address space announced: 95.5
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: 51767
Total LACNIC prefixes after maximum aggregation: 9824
LACNIC Deaggregation factor: 5.27
Prefixes being announced from the LACNIC address blocks: 56690
Unique aggregates announced from the LACNIC address blocks: 26205
LACNIC Region origin ASes present in the Internet Routing Table: 2025
LACNIC Prefixes per ASN: 28.00
LACNIC Region origin ASes announcing only one prefix: 573
LACNIC Region transit ASes present in the Internet Routing Table: 380
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 843
Number of LACNIC addresses announced to Internet: 138965552
Equivalent to 8 /8s, 72 /16s and 114 /24s
Percentage of available LACNIC address space announced: 82.8
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: 11635
Total AfriNIC prefixes after maximum aggregation: 2538
AfriNIC Deaggregation factor: 4.58
Prefixes being announced from the AfriNIC address blocks: 12257
Unique aggregates announced from the AfriNIC address blocks: 3973
AfriNIC Region origin ASes present in the Internet Routing Table: 657
AfriNIC Prefixes per ASN: 18.66
AfriNIC Region origin ASes announcing only one prefix: 196
AfriNIC Region transit ASes present in the Internet Routing Table: 138
Average AfriNIC Region AS path length visible: 4.8
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: 46662400
Equivalent to 2 /8s, 200 /16s and 3 /24s
Percentage of available AfriNIC address space announced: 46.4
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
4766 2923 11561 924 Korea Telecom (KIX)
17974 2678 903 91 PT TELEKOMUNIKASI INDONESIA
7545 2061 321 112 TPG Internet Pty Ltd
4755 1770 391 187 TATA Communications formerly
9829 1552 1238 40 BSNL National Internet Backbo
9583 1232 92 505 Sify Limited
9498 1193 309 72 BHARTI Airtel Ltd.
4808 1172 2127 346 CNCGROUP IP network: China169
7552 1163 1080 13 Vietel Corporation
24560 1090 380 164 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3067 3689 62 BellSouth.net Inc.
18566 2065 382 184 Covad Communications
22773 2043 2933 124 Cox Communications, Inc.
1785 2017 679 125 PaeTec Communications, Inc.
20115 1679 1651 627 Charter Communications
4323 1613 1103 409 Time Warner Telecom
701 1530 11152 798 UUNET Technologies, Inc.
30036 1353 305 621 Mediacom Communications Corp
7018 1304 11244 820 AT&T WorldNet Services
22561 1236 386 201 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1778 544 17 OJSC "Vimpelcom"
34984 1361 244 226 TELLCOM ILETISIM HIZMETLERI A
20940 1023 376 788 Akamai Technologies European
31148 987 43 17 FreeNet ISP
6830 894 2367 426 UPC Distribution Services
13188 848 99 69 TOV "Bank-Inform"
8551 746 370 41 Bezeq International
12479 676 799 49 Uni2 Autonomous System
35228 528 246 16 Avatar Broadband Limited
3320 511 8416 406 Deutsche Telekom AG
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3367 1732 94 NET Servicos de Comunicao S.A
10620 2576 421 250 TVCABLE BOGOTA
7303 1717 1136 228 Telecom Argentina Stet-France
18881 1432 844 20 Global Village Telecom
8151 1330 2800 410 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 837 93 94 Telconet S.A
6503 833 434 64 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6147 734 376 21 Telefonica Del Peru
Complete listing at http://thyme.rand.apnic.net/current/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 880 274 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 429 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 222 17 12 Ci Telecom Autonomous system
36992 222 501 28 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
29975 192 668 21 Vodacom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3367 1732 94 NET Servicos de Comunicao S.A
6389 3067 3689 62 BellSouth.net Inc.
4766 2923 11561 924 Korea Telecom (KIX)
17974 2678 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2576 421 250 TVCABLE BOGOTA
18566 2065 382 184 Covad Communications
7545 2061 321 112 TPG Internet Pty Ltd
22773 2043 2933 124 Cox Communications, Inc.
1785 2017 679 125 PaeTec Communications, Inc.
36998 1864 112 5 Sudanese Mobile Telephone (ZA
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3067 3005 BellSouth.net Inc.
17974 2678 2587 PT TELEKOMUNIKASI INDONESIA
10620 2576 2326 TVCABLE BOGOTA
4766 2923 1999 Korea Telecom (KIX)
7545 2061 1949 TPG Internet Pty Ltd
22773 2043 1919 Cox Communications, Inc.
1785 2017 1892 PaeTec Communications, Inc.
18566 2065 1881 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1778 1761 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
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 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.100.0.0/24 4847 China Networks Inter-Exchange
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.90.192.0/18 36086 Broad Communications Technolo
23.91.0.0/19 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.96.0/20 40676 Psychz Networks
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
23.91.168.0/22 36493 3757277 Canada Inc. (oa 295.c
Complete listing at http://thyme.rand.apnic.net/current/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 /11:93 /12:250
/13:479 /14:913 /15:1626 /16:12795 /17:6686 /18:11185
/19:22917 /20:32534 /21:35163 /22:49700 /23:43055 /24:248383
/25:881 /26:995 /27:476 /28:48 /29:79 /30:20
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1712 3067 BellSouth.net Inc.
8402 1488 1778 OJSC "Vimpelcom"
22773 1329 2043 Cox Communications, Inc.
30036 1211 1353 Mediacom Communications Corp
11492 1187 1228 Cable One
1785 1084 2017 PaeTec Communications, Inc.
6983 1025 1149 ITC^Deltacom
22561 960 1236 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:819 2:856 3:3 4:17 5:967 6:19
8:606 12:1893 13:3 14:868 15:11 16:3
17:13 18:19 20:21 23:439 24:1744 27:1583
31:1467 32:43 33:2 34:5 36:80 37:1836
38:906 39:3 40:179 41:3271 42:251 44:13
46:2000 47:6 49:676 50:846 52:12 54:39
55:6 57:26 58:1169 59:604 60:343 61:1421
62:1194 63:1988 64:4547 65:2362 66:4181 67:2080
68:1085 69:3328 70:868 71:495 72:2004 74:2554
75:330 76:300 77:1176 78:1078 79:633 80:1340
81:1027 82:623 83:582 84:587 85:1245 86:490
87:995 88:552 89:1801 90:158 91:5658 92:598
93:1622 94:1999 95:1606 96:517 97:343 98:1043
99:43 100:31 101:609 103:3335 105:520 106:142
107:208 108:510 109:1883 110:970 111:1124 112:573
113:800 114:727 115:1009 116:981 117:819 118:1162
119:1290 120:366 121:742 122:1882 123:1256 124:1383
125:1428 128:630 129:322 130:320 131:674 132:350
133:162 134:542 135:67 136:273 137:267 138:348
139:180 140:205 141:325 142:552 143:416 144:505
145:100 146:517 147:491 148:700 149:355 150:158
151:585 152:412 153:195 154:47 155:488 156:280
157:421 158:285 159:765 160:349 161:450 162:716
163:229 164:636 165:576 166:258 167:616 168:1050
169:128 170:1080 171:201 172:25 173:1613 174:667
175:501 176:1211 177:2328 178:1893 179:142 180:1522
181:735 182:1278 183:463 184:654 185:878 186:2563
187:1452 188:1928 189:1324 190:7137 192:6941 193:5662
194:4074 195:3336 196:1320 197:993 198:4688 199:5467
200:6044 201:2548 202:9013 203:8922 204:4517 205:2634
206:2861 207:2898 208:4009 209:3607 210:2945 211:1553
212:2289 213:2013 214:931 215:99 216:5342 217:1664
218:622 219:315 220:1279 221:559 222:326 223:502
End of report
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