* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 23 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 467673
Prefixes after maximum aggregation: 188437
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 232252
Total ASes present in the Internet Routing Table: 45016
Prefixes per ASN: 10.39
Origin-only ASes present in the Internet Routing Table: 35157
Origin ASes announcing only one prefix: 16253
Transit ASes present in the Internet Routing Table: 5911
Transit-only ASes present in the Internet Routing Table: 162
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 30
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 284
Unregistered ASNs in the Routing Table: 156
Number of 32-bit ASNs allocated by the RIRs: 5080
Number of 32-bit ASNs visible in the Routing Table: 3948
Prefixes from 32-bit ASNs in the Routing Table: 12267
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 504
Number of addresses announced to Internet: 2643686644
Equivalent to 157 /8s, 147 /16s and 116 /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: 163914
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110922
Total APNIC prefixes after maximum aggregation: 33661
APNIC Deaggregation factor: 3.30
Prefixes being announced from the APNIC address blocks: 112926
Unique aggregates announced from the APNIC address blocks: 46677
APNIC Region origin ASes present in the Internet Routing Table: 4870
APNIC Prefixes per ASN: 23.19
APNIC Region origin ASes announcing only one prefix: 1214
APNIC Region transit ASes present in the Internet Routing Table: 832
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 684
Number of APNIC addresses announced to Internet: 728184064
Equivalent to 43 /8s, 103 /16s and 53 /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: 162642
Total ARIN prefixes after maximum aggregation: 81344
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163157
Unique aggregates announced from the ARIN address blocks: 75856
ARIN Region origin ASes present in the Internet Routing Table: 15890
ARIN Prefixes per ASN: 10.27
ARIN Region origin ASes announcing only one prefix: 6019
ARIN Region transit ASes present in the Internet Routing Table: 1659
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: 1071599360
Equivalent to 63 /8s, 223 /16s and 79 /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: 118676
Total RIPE prefixes after maximum aggregation: 61029
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122525
Unique aggregates announced from the RIPE address blocks: 79184
RIPE Region origin ASes present in the Internet Routing Table: 17423
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8256
RIPE Region transit ASes present in the Internet Routing Table: 2808
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: 2400
Number of RIPE addresses announced to Internet: 656898276
Equivalent to 39 /8s, 39 /16s and 120 /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: 51398
Total LACNIC prefixes after maximum aggregation: 9797
LACNIC Deaggregation factor: 5.25
Prefixes being announced from the LACNIC address blocks: 56326
Unique aggregates announced from the LACNIC address blocks: 26145
LACNIC Region origin ASes present in the Internet Routing Table: 2018
LACNIC Prefixes per ASN: 27.91
LACNIC Region origin ASes announcing only one prefix: 575
LACNIC Region transit ASes present in the Internet Routing Table: 380
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 837
Number of LACNIC addresses announced to Internet: 139168016
Equivalent to 8 /8s, 75 /16s and 137 /24s
Percentage of available LACNIC address space announced: 83.0
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: 11636
Total AfriNIC prefixes after maximum aggregation: 2532
AfriNIC Deaggregation factor: 4.60
Prefixes being announced from the AfriNIC address blocks: 12235
Unique aggregates announced from the AfriNIC address blocks: 3942
AfriNIC Region origin ASes present in the Internet Routing Table: 651
AfriNIC Prefixes per ASN: 18.79
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 134
Average AfriNIC Region AS path length visible: 4.7
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: 46647808
Equivalent to 2 /8s, 199 /16s and 202 /24s
Percentage of available AfriNIC address space announced: 46.3
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
4766 2923 11561 924 Korea Telecom (KIX)
17974 2679 903 91 PT TELEKOMUNIKASI INDONESIA
7545 2081 321 112 TPG Internet Pty Ltd
4755 1770 391 187 TATA Communications formerly
9829 1550 1238 40 BSNL National Internet Backbo
9583 1232 92 505 Sify Limited
9498 1189 309 71 BHARTI Airtel Ltd.
4808 1188 2133 348 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 2018 679 126 PaeTec Communications, Inc.
20115 1680 1651 628 Charter Communications
4323 1611 1103 409 Time Warner Telecom
701 1531 11152 796 UUNET Technologies, Inc.
30036 1347 303 631 Mediacom Communications Corp
7018 1309 11245 824 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 1745 544 16 OJSC "Vimpelcom"
34984 1362 244 220 TELLCOM ILETISIM HIZMETLERI A
20940 1021 375 786 Akamai Technologies European
31148 987 43 17 FreeNet ISP
6830 893 2367 425 UPC Distribution Services
13188 847 99 70 TOV "Bank-Inform"
8551 745 370 41 Bezeq International
12479 676 799 49 Uni2 Autonomous System
35228 528 246 16 Avatar Broadband Limited
3320 507 8413 402 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 3281 1726 103 NET Servicos de Comunicao S.A
10620 2573 420 250 TVCABLE BOGOTA
7303 1714 1135 228 Telecom Argentina Stet-France
18881 1432 844 20 Global Village Telecom
8151 1322 2797 411 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
6503 834 434 64 AVANTEL, S.A.
27947 834 93 94 Telconet S.A
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6147 736 376 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 876 274 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 427 956 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 191 667 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 3281 1726 103 NET Servicos de Comunicao S.A
6389 3067 3689 62 BellSouth.net Inc.
4766 2923 11561 924 Korea Telecom (KIX)
17974 2679 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2573 420 250 TVCABLE BOGOTA
7545 2081 321 112 TPG Internet Pty Ltd
18566 2065 382 184 Covad Communications
22773 2043 2933 124 Cox Communications, Inc.
1785 2018 679 126 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 2679 2588 PT TELEKOMUNIKASI INDONESIA
10620 2573 2323 TVCABLE BOGOTA
4766 2923 1999 Korea Telecom (KIX)
7545 2081 1969 TPG Internet Pty Ltd
22773 2043 1919 Cox Communications, Inc.
1785 2018 1892 PaeTec Communications, Inc.
18566 2065 1881 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1745 1729 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 /14:915 /15:1627 /16:12792 /17:6693 /18:11193
/19:22916 /20:32524 /21:35129 /22:49601 /23:42955 /24:247976
/25:843 /26:990 /27:481 /28:47 /29:79 /30:18
/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 1456 1745 OJSC "Vimpelcom"
22773 1329 2043 Cox Communications, Inc.
30036 1207 1347 Mediacom Communications Corp
11492 1187 1228 Cable One
1785 1084 2018 PaeTec Communications, Inc.
6983 1025 1152 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)
----------------------------------------------
1:813 2:846 3:3 4:17 5:966 6:19
8:607 12:1892 13:3 14:869 15:11 16:3
17:13 18:19 20:21 23:406 24:1743 27:1580
31:1462 32:45 33:2 34:5 36:80 37:1833
38:905 39:3 40:179 41:3274 42:251 44:13
46:2006 47:6 49:674 50:846 52:12 54:38
55:4 57:26 58:1168 59:604 60:343 61:1417
62:1198 63:1987 64:4548 65:2363 66:4172 67:2085
68:1086 69:3335 70:868 71:495 72:2003 74:2555
75:330 76:300 77:1185 78:1062 79:631 80:1337
81:1028 82:651 83:581 84:586 85:1261 86:451
87:1045 88:552 89:1713 90:157 91:5712 92:612
93:1624 94:2024 95:1578 96:518 97:342 98:1042
99:43 100:31 101:607 103:3321 105:519 106:142
107:208 108:508 109:1875 110:966 111:1123 112:571
113:798 114:729 115:1006 116:978 117:824 118:1162
119:1287 120:363 121:741 122:1877 123:1256 124:1386
125:1424 128:623 129:322 130:322 131:674 132:350
133:161 134:546 135:67 136:273 137:267 138:348
139:178 140:206 141:324 142:553 143:404 144:499
145:100 146:515 147:485 148:694 149:356 150:158
151:585 152:413 153:195 154:46 155:485 156:279
157:421 158:285 159:769 160:349 161:451 162:709
163:229 164:637 165:544 166:258 167:616 168:1043
169:128 170:1085 171:202 172:25 173:1612 174:667
175:499 176:1209 177:2295 178:1890 179:142 180:1519
181:732 182:1273 183:464 184:655 185:872 186:2542
187:1460 188:1910 189:1302 190:7123 192:6935 193:5664
194:4071 195:3332 196:1322 197:978 198:4682 199:5463
200:5953 201:2547 202:8988 203:8940 204:4516 205:2630
206:2849 207:2897 208:4005 209:3611 210:2948 211:1555
212:2290 213:2053 214:918 215:99 216:5336 217:1662
218:622 219:314 220:1278 221:559 222:325 223:500
End of report
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