* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 12 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 467059
Prefixes after maximum aggregation: 188559
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 231931
Total ASes present in the Internet Routing Table: 44942
Prefixes per ASN: 10.39
Origin-only ASes present in the Internet Routing Table: 35108
Origin ASes announcing only one prefix: 16235
Transit ASes present in the Internet Routing Table: 5909
Transit-only ASes present in the Internet Routing Table: 165
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: 5910
Unregistered ASNs in the Routing Table: 2012
Number of 32-bit ASNs allocated by the RIRs: 5023
Number of 32-bit ASNs visible in the Routing Table: 3925
Prefixes from 32-bit ASNs in the Routing Table: 12077
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 399
Number of addresses announced to Internet: 2640617748
Equivalent to 157 /8s, 100 /16s and 161 /24s
Percentage of available address space announced: 71.3
Percentage of allocated address space announced: 71.3
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: 163608
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110704
Total APNIC prefixes after maximum aggregation: 33610
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 112669
Unique aggregates announced from the APNIC address blocks: 46556
APNIC Region origin ASes present in the Internet Routing Table: 4866
APNIC Prefixes per ASN: 23.15
APNIC Region origin ASes announcing only one prefix: 1214
APNIC Region transit ASes present in the Internet Routing Table: 831
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 673
Number of APNIC addresses announced to Internet: 726984704
Equivalent to 43 /8s, 84 /16s and 232 /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, 131072-133119
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: 161525
Total ARIN prefixes after maximum aggregation: 81255
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162120
Unique aggregates announced from the ARIN address blocks: 75542
ARIN Region origin ASes present in the Internet Routing Table: 15865
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 6012
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: 20
Number of ARIN addresses announced to Internet: 1071313664
Equivalent to 63 /8s, 218 /16s and 243 /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: 119685
Total RIPE prefixes after maximum aggregation: 61277
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 123527
Unique aggregates announced from the RIPE address blocks: 79541
RIPE Region origin ASes present in the Internet Routing Table: 17411
RIPE Prefixes per ASN: 7.09
RIPE Region origin ASes announcing only one prefix: 8246
RIPE Region transit ASes present in the Internet Routing Table: 2810
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2392
Number of RIPE addresses announced to Internet: 657380324
Equivalent to 39 /8s, 46 /16s and 211 /24s
Percentage of available RIPE address space announced: 95.6
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: 51259
Total LACNIC prefixes after maximum aggregation: 9801
LACNIC Deaggregation factor: 5.23
Prefixes being announced from the LACNIC address blocks: 56030
Unique aggregates announced from the LACNIC address blocks: 25953
LACNIC Region origin ASes present in the Internet Routing Table: 2017
LACNIC Prefixes per ASN: 27.78
LACNIC Region origin ASes announcing only one prefix: 569
LACNIC Region transit ASes present in the Internet Routing Table: 382
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: 834
Number of LACNIC addresses announced to Internet: 137569584
Equivalent to 8 /8s, 51 /16s and 37 /24s
Percentage of available LACNIC address space announced: 82.0
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: 11701
Total AfriNIC prefixes after maximum aggregation: 2560
AfriNIC Deaggregation factor: 4.57
Prefixes being announced from the AfriNIC address blocks: 12314
Unique aggregates announced from the AfriNIC address blocks: 3975
AfriNIC Region origin ASes present in the Internet Routing Table: 654
AfriNIC Prefixes per ASN: 18.83
AfriNIC Region origin ASes announcing only one prefix: 194
AfriNIC Region transit ASes present in the Internet Routing Table: 137
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: 46569728
Equivalent to 2 /8s, 198 /16s and 153 /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 2919 11561 924 Korea Telecom (KIX)
17974 2667 903 91 PT TELEKOMUNIKASI INDONESIA
7545 2066 320 111 TPG Internet Pty Ltd
4755 1770 390 190 TATA Communications formerly
9829 1549 1237 45 BSNL National Internet Backbo
9583 1229 92 508 Sify Limited
9498 1184 309 70 BHARTI Airtel Ltd.
4808 1161 2129 343 CNCGROUP IP network: China169
7552 1155 1080 13 Vietel Corporation
24560 1089 394 163 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 3068 3689 62 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
22773 2040 2933 124 Cox Communications, Inc.
1785 2011 679 125 PaeTec Communications, Inc.
20115 1678 1648 628 Charter Communications
4323 1616 1103 411 Time Warner Telecom
701 1526 11136 797 UUNET Technologies, Inc.
30036 1351 305 637 Mediacom Communications Corp
7018 1315 11261 827 AT&T WorldNet Services
11492 1222 218 365 Cable One
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 1737 544 16 Corbina telecom
34984 1328 244 220 BILISIM TELEKOM
2118 1164 97 13 EUnet/RELCOM Autonomous Syste
20940 1017 370 785 Akamai Technologies European
31148 982 43 18 FreeNet ISP
6830 894 2367 426 UPC Distribution Services
13188 847 99 70 Educational Network
8551 750 370 41 Bezeq International
12479 673 797 53 Uni2 Autonomous System
58113 541 55 339 LIR DATACENTER TELECOM SRL
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 3240 1712 98 NET Servicos de Comunicao S.A
10620 2549 416 259 TVCABLE BOGOTA
7303 1708 1133 225 Telecom Argentina Stet-France
18881 1431 844 20 Global Village Telecom
8151 1292 2782 391 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 841 94 92 Telconet S.A
6503 814 434 64 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6147 734 370 30 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 1861 112 5 MOBITEL
24863 868 274 30 LINKdotNET AS number
6713 543 633 26 Itissalat Al-MAGHRIB
8452 435 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 257 921 216 The Internet Solution
36992 222 501 28 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
29571 221 17 12 Ci Telecom Autonomous system
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 3240 1712 98 NET Servicos de Comunicao S.A
6389 3068 3689 62 bellsouth.net, inc.
4766 2919 11561 924 Korea Telecom (KIX)
17974 2667 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2549 416 259 TVCABLE BOGOTA
7545 2066 320 111 TPG Internet Pty Ltd
18566 2065 382 184 Covad Communications
22773 2040 2933 124 Cox Communications, Inc.
1785 2011 679 125 PaeTec Communications, Inc.
36998 1861 112 5 MOBITEL
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 3068 3006 bellsouth.net, inc.
17974 2667 2576 PT TELEKOMUNIKASI INDONESIA
10620 2549 2290 TVCABLE BOGOTA
4766 2919 1995 Korea Telecom (KIX)
7545 2066 1955 TPG Internet Pty Ltd
22773 2040 1916 Cox Communications, Inc.
1785 2011 1886 PaeTec Communications, Inc.
18566 2065 1881 Covad Communications
36998 1861 1856 MOBITEL
8402 1737 1721 Corbina telecom
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
60251 UNALLOCATED 5.23.50.0/23 3356 Level 3 Communicatio
62616 UNALLOCATED 8.36.126.0/24 3356 Level 3 Communicatio
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
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
23.91.160.0/22 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
23.91.172.0/22 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 /14:910 /15:1621 /16:12761 /17:6697 /18:11118
/19:22856 /20:32497 /21:35071 /22:49415 /23:43142 /24:247623
/25:839 /26:987 /27:483 /28:48 /29:78 /30:19
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
36998 1826 1861 MOBITEL
6389 1713 3068 bellsouth.net, inc.
8402 1458 1737 Corbina telecom
22773 1327 2040 Cox Communications, Inc.
30036 1211 1351 Mediacom Communications Corp
11492 1183 1222 Cable One
1785 1083 2011 PaeTec Communications, Inc.
6983 1025 1152 ITC^Deltacom
7011 934 1177 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:809 2:855 3:3 4:17 5:938 6:19
8:618 12:1888 13:3 14:867 15:11 16:3
17:11 18:19 20:21 23:387 24:1744 27:1560
31:1434 32:45 33:2 34:5 36:71 37:1860
38:901 39:3 40:179 41:3326 42:252 44:9
46:1982 47:4 49:669 50:847 52:12 54:37
55:8 57:26 58:1168 59:620 60:337 61:1447
62:1217 63:1985 64:4561 65:2366 66:4167 67:2069
68:1078 69:3301 70:864 71:496 72:2006 74:2546
75:329 76:304 77:1170 78:1056 79:617 80:1308
81:1029 82:646 83:582 84:582 85:1269 86:500
87:1050 88:557 89:1845 90:158 91:5640 92:604
93:1677 94:2034 95:1562 96:515 97:342 98:1038
99:44 100:31 101:603 103:3301 105:519 106:142
107:208 108:504 109:1911 110:967 111:1130 112:567
113:791 114:736 115:994 116:978 117:818 118:1151
119:1282 120:365 121:740 122:1854 123:1253 124:1382
125:1422 128:620 129:219 130:321 131:668 132:344
133:161 134:287 135:67 136:272 137:266 138:347
139:180 140:196 141:325 142:554 143:392 144:495
145:99 146:534 147:486 148:690 149:356 150:155
151:595 152:413 153:195 154:46 155:485 156:274
157:413 158:284 159:755 160:350 161:458 162:649
163:218 164:628 165:567 166:259 167:604 168:1031
169:119 170:1083 171:194 172:25 173:1596 174:520
175:500 176:1192 177:2184 178:1897 179:108 180:1529
181:721 182:1269 183:435 184:630 185:822 186:2493
187:1454 188:1907 189:1317 190:7077 192:6921 193:5690
194:4614 195:3565 196:1351 197:1007 198:4665 199:5430
200:6022 201:2530 202:8946 203:8911 204:4523 205:2617
206:2839 207:2884 208:3989 209:3603 210:2952 211:1569
212:2268 213:2046 214:930 215:98 216:5295 217:1648
218:624 219:313 220:1278 221:559 222:326 223:500
End of report
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