* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 26 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 466347
Prefixes after maximum aggregation: 188862
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 231926
Total ASes present in the Internet Routing Table: 45066
Prefixes per ASN: 10.35
Origin-only ASes present in the Internet Routing Table: 35193
Origin ASes announcing only one prefix: 16276
Transit ASes present in the Internet Routing Table: 5910
Transit-only ASes present in the Internet Routing Table: 164
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: 289
Unregistered ASNs in the Routing Table: 161
Number of 32-bit ASNs allocated by the RIRs: 5092
Number of 32-bit ASNs visible in the Routing Table: 3963
Prefixes from 32-bit ASNs in the Routing Table: 12110
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 572
Number of addresses announced to Internet: 2643384596
Equivalent to 157 /8s, 142 /16s and 217 /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: 161938
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111093
Total APNIC prefixes after maximum aggregation: 33748
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 113102
Unique aggregates announced from the APNIC address blocks: 46720
APNIC Region origin ASes present in the Internet Routing Table: 4869
APNIC Prefixes per ASN: 23.23
APNIC Region origin ASes announcing only one prefix: 1217
APNIC Region transit ASes present in the Internet Routing Table: 830
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: 688
Number of APNIC addresses announced to Internet: 727655168
Equivalent to 43 /8s, 95 /16s and 35 /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: 162834
Total ARIN prefixes after maximum aggregation: 81484
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163353
Unique aggregates announced from the ARIN address blocks: 75664
ARIN Region origin ASes present in the Internet Routing Table: 15900
ARIN Prefixes per ASN: 10.27
ARIN Region origin ASes announcing only one prefix: 6028
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: 1072704512
Equivalent to 63 /8s, 240 /16s and 44 /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: 118803
Total RIPE prefixes after maximum aggregation: 61214
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122410
Unique aggregates announced from the RIPE address blocks: 78878
RIPE Region origin ASes present in the Internet Routing Table: 17440
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8262
RIPE Region transit ASes present in the Internet Routing Table: 2811
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: 2403
Number of RIPE addresses announced to Internet: 656777956
Equivalent to 39 /8s, 37 /16s and 162 /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: 51836
Total LACNIC prefixes after maximum aggregation: 9821
LACNIC Deaggregation factor: 5.28
Prefixes being announced from the LACNIC address blocks: 56751
Unique aggregates announced from the LACNIC address blocks: 26207
LACNIC Region origin ASes present in the Internet Routing Table: 2025
LACNIC Prefixes per ASN: 28.03
LACNIC Region origin ASes announcing only one prefix: 575
LACNIC Region transit ASes present in the Internet Routing Table: 383
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 845
Number of LACNIC addresses announced to Internet: 138931504
Equivalent to 8 /8s, 71 /16s and 237 /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: 9536
Total AfriNIC prefixes after maximum aggregation: 2520
AfriNIC Deaggregation factor: 3.78
Prefixes being announced from the AfriNIC address blocks: 10159
Unique aggregates announced from the AfriNIC address blocks: 3960
AfriNIC Region origin ASes present in the Internet Routing Table: 650
AfriNIC Prefixes per ASN: 15.63
AfriNIC Region origin ASes announcing only one prefix: 194
AfriNIC Region transit ASes present in the Internet Routing Table: 136
Average AfriNIC Region AS path length visible: 4.9
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: 46030080
Equivalent to 2 /8s, 190 /16s and 93 /24s
Percentage of available AfriNIC address space announced: 45.7
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 2922 11561 924 Korea Telecom (KIX)
17974 2676 903 91 PT TELEKOMUNIKASI INDONESIA
7545 2080 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 1193 309 72 BHARTI Airtel Ltd.
4808 1189 2131 347 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 3066 3689 62 BellSouth.net Inc.
18566 2065 382 184 Covad Communications
22773 2040 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 1523 11149 794 UUNET Technologies, Inc.
30036 1343 304 624 Mediacom Communications Corp
7018 1301 11244 818 AT&T WorldNet Services
6983 1280 771 584 ITC^Deltacom
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 1791 544 17 OJSC "Vimpelcom"
34984 1361 244 226 TELLCOM ILETISIM HIZMETLERI A
20940 1021 374 785 Akamai Technologies European
31148 987 43 17 FreeNet ISP
6830 894 2367 426 UPC Distribution Services
13188 849 99 67 TOV "Bank-Inform"
8551 746 370 41 Bezeq International
12479 676 799 49 Uni2 Autonomous System
35228 528 246 16 Avatar Broadband Limited
3320 507 8413 404 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 3390 1732 94 NET Servicos de Comunicao S.A
10620 2576 421 249 TVCABLE BOGOTA
7303 1718 1137 229 Telecom Argentina Stet-France
18881 1433 844 20 Global Village Telecom
8151 1333 2800 413 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 836 93 94 Telconet S.A
6503 834 434 64 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6147 739 376 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
24863 879 274 29 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 434 956 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
29975 192 668 21 Vodacom
12258 183 27 65 Vodacom Internet Company
16637 120 740 89 MTN Network Solutions
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 3390 1732 94 NET Servicos de Comunicao S.A
6389 3066 3689 62 BellSouth.net Inc.
4766 2922 11561 924 Korea Telecom (KIX)
17974 2676 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2576 421 249 TVCABLE BOGOTA
7545 2080 321 112 TPG Internet Pty Ltd
18566 2065 382 184 Covad Communications
22773 2040 2933 124 Cox Communications, Inc.
1785 2017 679 125 PaeTec Communications, Inc.
8402 1791 544 17 OJSC "Vimpelcom"
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 3066 3004 BellSouth.net Inc.
17974 2676 2585 PT TELEKOMUNIKASI INDONESIA
10620 2576 2327 TVCABLE BOGOTA
4766 2922 1998 Korea Telecom (KIX)
7545 2080 1968 TPG Internet Pty Ltd
22773 2040 1916 Cox Communications, Inc.
1785 2017 1892 PaeTec Communications, Inc.
18566 2065 1881 Covad Communications
8402 1791 1774 OJSC "Vimpelcom"
4755 1770 1583 TATA Communications formerly
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 /15:1625 /16:12794 /17:6713 /18:11197
/19:22961 /20:32618 /21:35219 /22:49696 /23:42989 /24:246230
/25:885 /26:990 /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
6389 1711 3066 BellSouth.net Inc.
8402 1512 1791 OJSC "Vimpelcom"
22773 1326 2040 Cox Communications, Inc.
30036 1201 1343 Mediacom Communications Corp
11492 1188 1229 Cable One
1785 1084 2017 PaeTec Communications, Inc.
6983 1020 1280 ITC^Deltacom
22561 965 1242 Digital Teleport, Inc
7011 932 1175 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:828 2:857 3:3 4:17 5:980 6:19
8:606 12:1893 13:3 14:866 15:11 16:3
17:13 18:19 20:21 23:441 24:1744 27:1585
31:1466 32:45 33:2 34:5 36:80 37:1832
38:906 39:3 40:179 41:2396 42:250 44:13
46:2007 47:6 49:676 50:846 52:12 54:39
55:7 57:26 58:1168 59:610 60:345 61:1412
62:1186 63:1990 64:4548 65:2355 66:4181 67:2075
68:1085 69:3325 70:868 71:495 72:2003 74:2558
75:330 76:301 77:1169 78:1068 79:634 80:1322
81:1031 82:626 83:583 84:587 85:1232 86:453
87:995 88:555 89:1718 90:158 91:5667 92:603
93:1617 94:1985 95:1608 96:517 97:343 98:1041
99:43 100:31 101:609 103:3345 105:8 106:140
107:208 108:509 109:1885 110:964 111:1123 112:570
113:799 114:724 115:1037 116:981 117:817 118:1169
119:1291 120:369 121:742 122:1883 123:1256 124:1387
125:1424 128:617 129:322 130:322 131:653 132:349
133:162 134:542 135:67 136:273 137:266 138:348
139:181 140:183 141:325 142:551 143:417 144:499
145:100 146:515 147:490 148:702 149:356 150:159
151:584 152:412 153:196 154:47 155:485 156:279
157:421 158:284 159:766 160:348 161:450 162:719
163:228 164:637 165:576 166:257 167:618 168:1049
169:128 170:1079 171:201 172:25 173:1610 174:663
175:502 176:1221 177:2310 178:1890 179:146 180:1532
181:738 182:1282 183:462 184:651 185:879 186:2559
187:1459 188:1914 189:1331 190:7131 192:6957 193:5632
194:4076 195:3340 196:1281 197:466 198:4682 199:5470
200:6055 201:2550 202:9011 203:8934 204:4509 205:2635
206:2862 207:2896 208:4004 209:3630 210:2944 211:1553
212:2264 213:2014 214:927 215:99 216:5344 217:1657
218:622 219:315 220:1278 221:559 222:326 223:504
End of report
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