* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 02 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 463628
Prefixes after maximum aggregation: 187526
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 232152
Total ASes present in the Internet Routing Table: 40989
Prefixes per ASN: 11.31
Origin-only ASes present in the Internet Routing Table: 35201
Origin ASes announcing only one prefix: 16288
Transit ASes present in the Internet Routing Table: 5781
Transit-only ASes present in the Internet Routing Table: 140
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 39
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 1315
Unregistered ASNs in the Routing Table: 273
Number of 32-bit ASNs allocated by the RIRs: 5126
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 12096
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 632
Number of addresses announced to Internet: 2666721536
Equivalent to 158 /8s, 242 /16s and 241 /24s
Percentage of available address space announced: 72.0
Percentage of allocated address space announced: 72.0
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: 161619
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107307
Total APNIC prefixes after maximum aggregation: 32999
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 109991
Unique aggregates announced from the APNIC address blocks: 46622
APNIC Region origin ASes present in the Internet Routing Table: 4843
APNIC Prefixes per ASN: 22.71
APNIC Region origin ASes announcing only one prefix: 1241
APNIC Region transit ASes present in the Internet Routing Table: 811
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 727272448
Equivalent to 43 /8s, 89 /16s and 76 /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: 161364
Total ARIN prefixes after maximum aggregation: 81026
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 161927
Unique aggregates announced from the ARIN address blocks: 75821
ARIN Region origin ASes present in the Internet Routing Table: 15832
ARIN Prefixes per ASN: 10.23
ARIN Region origin ASes announcing only one prefix: 6025
ARIN Region transit ASes present in the Internet Routing Table: 1599
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 1072853248
Equivalent to 63 /8s, 242 /16s and 113 /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: 119022
Total RIPE prefixes after maximum aggregation: 61199
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122582
Unique aggregates announced from the RIPE address blocks: 78870
RIPE Region origin ASes present in the Internet Routing Table: 17429
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8262
RIPE Region transit ASes present in the Internet Routing Table: 2791
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656549376
Equivalent to 39 /8s, 34 /16s and 38 /24s
Percentage of available RIPE address space announced: 95.4
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: 51336
Total LACNIC prefixes after maximum aggregation: 9680
LACNIC Deaggregation factor: 5.30
Prefixes being announced from the LACNIC address blocks: 56194
Unique aggregates announced from the LACNIC address blocks: 26295
LACNIC Region origin ASes present in the Internet Routing Table: 2022
LACNIC Prefixes per ASN: 27.79
LACNIC Region origin ASes announcing only one prefix: 570
LACNIC Region transit ASes present in the Internet Routing Table: 368
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2
Number of LACNIC addresses announced to Internet: 139287808
Equivalent to 8 /8s, 77 /16s and 93 /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: 11686
Total AfriNIC prefixes after maximum aggregation: 2541
AfriNIC Deaggregation factor: 4.60
Prefixes being announced from the AfriNIC address blocks: 12300
Unique aggregates announced from the AfriNIC address blocks: 3995
AfriNIC Region origin ASes present in the Internet Routing Table: 659
AfriNIC Prefixes per ASN: 18.66
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 133
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1
Number of AfriNIC addresses announced to Internet: 46715136
Equivalent to 2 /8s, 200 /16s and 209 /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
17974 2699 903 90 PT TELEKOMUNIKASI INDONESIA
4766 2143 11555 643 Korea Telecom (KIX)
7545 2073 321 112 TPG Internet Pty Ltd
4755 1804 403 191 TATA Communications formerly
9829 1548 1236 41 BSNL National Internet Backbo
9583 1235 93 510 Sify Limited
9498 1197 309 73 BHARTI Airtel Ltd.
7552 1152 1080 13 Vietel Corporation
24560 1090 380 164 Bharti Airtel Ltd., Telemedia
4808 1075 2020 311 CNCGROUP IP network: China169
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3062 3689 59 BellSouth.net Inc.
18566 2063 382 183 Covad Communications
22773 2042 2933 125 Cox Communications, Inc.
1785 2018 679 125 PaeTec Communications, Inc.
20115 1680 1651 625 Charter Communications
4323 1623 1120 420 Time Warner Telecom
701 1520 11149 794 UUNET Technologies, Inc.
7018 1354 17516 863 AT&T WorldNet Services
30036 1328 299 645 Mediacom Communications Corp
6983 1285 756 578 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1772 544 17 OJSC "Vimpelcom"
34984 1367 244 222 TELLCOM ILETISIM HIZMETLERI A
20940 1029 380 796 Akamai Technologies European
31148 990 43 19 FreeNet ISP
6830 893 2365 427 UPC Distribution Services
13188 849 99 67 TOV "Bank-Inform"
8551 758 370 41 Bezeq International
12479 673 799 49 Uni2 Autonomous System
9116 553 326 34 Goldenlines main autonomous s
35228 526 246 16 Avatar Broadband Limited
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3361 1733 92 NET Servicos de Comunicao S.A
10620 2583 421 245 TVCABLE BOGOTA
7303 1721 1133 233 Telecom Argentina Stet-France
18881 1461 844 20 Global Village Telecom
8151 1323 2801 412 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
6503 833 434 64 AVANTEL, S.A.
27947 810 94 92 Telconet S.A
6147 799 373 27 Telefonica Del Peru
7738 780 1498 36 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.rand.apnic.net/london/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 882 306 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 419 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 223 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/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3361 1733 92 NET Servicos de Comunicao S.A
6389 3062 3689 59 BellSouth.net Inc.
17974 2699 903 90 PT TELEKOMUNIKASI INDONESIA
10620 2583 421 245 TVCABLE BOGOTA
4766 2143 11555 643 Korea Telecom (KIX)
7545 2073 321 112 TPG Internet Pty Ltd
18566 2063 382 183 Covad Communications
22773 2042 2933 125 Cox Communications, Inc.
1785 2018 679 125 PaeTec Communications, Inc.
36998 1864 112 5 Sudanese Mobile Telephone (ZA
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3062 3003 BellSouth.net Inc.
17974 2699 2609 PT TELEKOMUNIKASI INDONESIA
10620 2583 2338 TVCABLE BOGOTA
7545 2073 1961 TPG Internet Pty Ltd
22773 2042 1917 Cox Communications, Inc.
1785 2018 1893 PaeTec Communications, Inc.
18566 2063 1880 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1772 1755 OJSC "Vimpelcom"
4755 1804 1613 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65333 PRIVATE 10.0.0.0/8 0 *
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
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 IANA Private Address Space
10.1.1.48/29 0 *
100.64.0.0/10 65333 IANA Private Address Space
169.254.0.0/16 65333 IANA Private Address Space
172.16.0.0/12 65333 IANA Private Address Space
192.0.0.0/24 65333 IANA Private Address Space
192.0.2.0/24 65333 IANA Private Address Space
192.168.0.0/16 0 *
198.18.0.0/15 65333 IANA Private Address Space
198.51.100.0/24 65333 IANA Private Address Space
Complete listing at http://thyme.rand.apnic.net/london/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/london/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 /8:17 /9:11 /10:32 /11:92 /12:251
/13:478 /14:911 /15:1627 /16:12788 /17:6709 /18:11145
/19:22919 /20:32590 /21:35065 /22:49201 /23:42612 /24:246536
/25:9 /26:11 /27:10 /28:129 /29:213 /30:138
/31:0 /32:134
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2014 2063 Covad Communications
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1711 3062 BellSouth.net Inc.
8402 1490 1772 OJSC "Vimpelcom"
22773 1328 2042 Cox Communications, Inc.
11492 1192 1233 Cable One
30036 1187 1328 Mediacom Communications Corp
1785 1084 2018 PaeTec Communications, Inc.
6983 1026 1285 ITC^Deltacom
22561 962 1238 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:845 2:883 3:3 4:16 5:980 6:19
8:606 12:1896 13:3 14:842 15:11 16:3
17:13 18:19 20:21 23:447 24:1706 27:1595
31:1484 32:40 33:2 34:5 36:81 37:1805
38:901 39:3 40:179 41:3271 42:248 44:12
46:2003 47:6 49:677 50:826 52:12 54:39
55:3 57:29 58:1085 59:639 60:348 61:1484
62:1188 63:1990 64:4538 65:2351 66:4187 67:2073
68:1088 69:3314 70:857 71:494 72:1983 74:2553
75:327 76:304 77:1141 78:1042 79:648 80:1344
81:1033 82:631 83:584 84:591 85:1278 86:454
87:1004 88:551 89:1727 90:155 91:5633 92:609
93:1621 94:1972 95:1618 96:516 97:342 98:1040
99:40 100:30 101:361 103:3358 105:520 106:143
107:208 108:493 109:1879 110:956 111:1122 112:571
113:801 114:692 115:1046 116:980 117:794 118:1167
119:1261 120:356 121:842 122:1794 123:1245 124:1347
125:1423 128:588 129:301 130:308 131:638 132:341
133:162 134:529 135:67 136:273 137:263 138:349
139:177 140:153 141:312 142:534 143:414 144:484
145:103 146:510 147:392 148:679 149:351 150:156
151:617 152:411 153:199 154:48 155:485 156:279
157:372 158:285 159:681 160:348 161:444 162:724
163:208 164:631 165:569 166:258 167:622 168:1041
169:127 170:1079 171:202 172:25 173:1608 174:664
175:492 176:1226 177:2342 178:1889 179:149 180:1548
181:741 182:1320 183:459 184:655 185:900 186:2569
187:1484 188:1882 189:1333 190:7105 192:6901 193:5611
194:4074 195:3327 196:1321 197:1058 198:4631 199:5437
200:6047 201:2549 202:8795 203:8845 204:4438 205:2604
206:2762 207:2836 208:3999 209:3592 210:2848 211:1561
212:2275 213:2009 214:904 215:99 216:5336 217:1671
218:612 219:336 220:1274 221:565 222:324 223:490
End of report
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