* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 28 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 468309
Prefixes after maximum aggregation: 188211
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 234481
Total ASes present in the Internet Routing Table: 41223
Prefixes per ASN: 11.36
Origin-only ASes present in the Internet Routing Table: 35418
Origin ASes announcing only one prefix: 16317
Transit ASes present in the Internet Routing Table: 5805
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: 24
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1016
Unregistered ASNs in the Routing Table: 281
Number of 32-bit ASNs allocated by the RIRs: 5406
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 13182
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 1245
Number of addresses announced to Internet: 2676767744
Equivalent to 159 /8s, 140 /16s and 60 /24s
Percentage of available address space announced: 72.3
Percentage of allocated address space announced: 72.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.3
Total number of prefixes smaller than registry allocations: 162883
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108075
Total APNIC prefixes after maximum aggregation: 33275
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 110994
Unique aggregates announced from the APNIC address blocks: 47457
APNIC Region origin ASes present in the Internet Routing Table: 4818
APNIC Prefixes per ASN: 23.04
APNIC Region origin ASes announcing only one prefix: 1220
APNIC Region transit ASes present in the Internet Routing Table: 817
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: 0
Number of APNIC addresses announced to Internet: 727791104
Equivalent to 43 /8s, 97 /16s and 54 /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: 161589
Total ARIN prefixes after maximum aggregation: 81265
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162477
Unique aggregates announced from the ARIN address blocks: 75816
ARIN Region origin ASes present in the Internet Routing Table: 15886
ARIN Prefixes per ASN: 10.23
ARIN Region origin ASes announcing only one prefix: 6017
ARIN Region transit ASes present in the Internet Routing Table: 1588
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1073503744
Equivalent to 63 /8s, 252 /16s and 94 /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: 119672
Total RIPE prefixes after maximum aggregation: 61050
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123368
Unique aggregates announced from the RIPE address blocks: 78912
RIPE Region origin ASes present in the Internet Routing Table: 17534
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8317
RIPE Region transit ASes present in the Internet Routing Table: 2812
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 656124416
Equivalent to 39 /8s, 27 /16s and 170 /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: 52501
Total LACNIC prefixes after maximum aggregation: 9830
LACNIC Deaggregation factor: 5.34
Prefixes being announced from the LACNIC address blocks: 57696
Unique aggregates announced from the LACNIC address blocks: 27273
LACNIC Region origin ASes present in the Internet Routing Table: 2038
LACNIC Prefixes per ASN: 28.31
LACNIC Region origin ASes announcing only one prefix: 557
LACNIC Region transit ASes present in the Internet Routing Table: 378
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 144156416
Equivalent to 8 /8s, 151 /16s and 167 /24s
Percentage of available LACNIC address space announced: 85.9
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: 11892
Total AfriNIC prefixes after maximum aggregation: 2587
AfriNIC Deaggregation factor: 4.60
Prefixes being announced from the AfriNIC address blocks: 12528
Unique aggregates announced from the AfriNIC address blocks: 4019
AfriNIC Region origin ASes present in the Internet Routing Table: 687
AfriNIC Prefixes per ASN: 18.24
AfriNIC Region origin ASes announcing only one prefix: 206
AfriNIC Region transit ASes present in the Internet Routing Table: 135
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: 0
Number of AfriNIC addresses announced to Internet: 48721920
Equivalent to 2 /8s, 231 /16s and 112 /24s
Percentage of available AfriNIC address space announced: 48.4
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 2715 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2137 11550 641 Korea Telecom (KIX)
7545 2081 319 109 TPG Internet Pty Ltd
4755 1806 401 186 TATA Communications formerly
9829 1544 1245 45 BSNL National Internet Backbo
9583 1240 95 507 Sify Limited
9498 1215 309 74 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
24560 1096 382 166 Bharti Airtel Ltd., Telemedia
4808 1060 2014 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 3042 3688 53 BellSouth.net Inc.
22773 2210 2939 137 Cox Communications, Inc.
18566 2051 379 176 MegaPath Corporation
1785 2044 685 132 PaeTec Communications, Inc.
20115 1682 1653 602 Charter Communications
4323 1653 1114 422 Time Warner Telecom
701 1507 11144 783 MCI Communications Services,
30036 1395 316 574 Mediacom Communications Corp
7018 1342 17798 881 AT&T WorldNet Services
6983 1293 755 578 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 1858 544 16 OJSC "Vimpelcom"
34984 1367 244 225 TELLCOM ILETISIM HIZMETLERI A
20940 1200 457 895 Akamai Technologies European
31148 1009 45 24 FreeNet ISP
13188 894 99 53 TOV "Bank-Inform"
8551 798 370 41 Bezeq International
6830 774 2327 426 UPC Distribution Services
6849 758 363 39 JSC UKRTELECOM,
12479 677 798 53 Uni2 Autonomous System
9116 554 326 35 Goldenlines main autonomous s
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 3390 1802 95 NET Servicos de Comunicao S.A
10620 2671 433 213 Telmex Colombia S.A.
7303 1729 1151 232 Telecom Argentina Stet-France
18881 1702 908 20 Global Village Telecom
8151 1346 2848 415 UniNet S.A. de C.V.
11830 867 364 15 Instituto Costarricense de El
27947 819 94 91 Telconet S.A
6147 788 373 27 Telefonica Del Peru
6503 783 434 62 AVANTEL, S.A.
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 869 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 412 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
29571 227 17 14 Ci Telecom Autonomous system
36992 222 501 29 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
37054 212 11 5 Data Telecom Service
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 3390 1802 95 NET Servicos de Comunicao S.A
6389 3042 3688 53 BellSouth.net Inc.
17974 2715 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2671 433 213 Telmex Colombia S.A.
22773 2210 2939 137 Cox Communications, Inc.
4766 2137 11550 641 Korea Telecom (KIX)
7545 2081 319 109 TPG Internet Pty Ltd
18566 2051 379 176 MegaPath Corporation
1785 2044 685 132 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 3042 2989 BellSouth.net Inc.
17974 2715 2627 PT TELEKOMUNIKASI INDONESIA
10620 2671 2458 Telmex Colombia S.A.
22773 2210 2073 Cox Communications, Inc.
7545 2081 1972 TPG Internet Pty Ltd
1785 2044 1912 PaeTec Communications, Inc.
18566 2051 1875 MegaPath Corporation
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1858 1842 OJSC "Vimpelcom"
18881 1702 1682 Global Village Telecom
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
62828 UNALLOCATED 8.21.130.0/24 3356 Level 3 Communicatio
62850 UNALLOCATED 8.25.147.0/24 3356 Level 3 Communicatio
62734 UNALLOCATED 8.31.128.0/24 6939 Hurricane Electric
62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio
65333 PRIVATE 10.0.0.0/8 0 *
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
62861 UNALLOCATED 12.37.197.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 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
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
203.0.113.0/24 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.
23.91.0.0/19 40676 Psychz Networks
23.91.4.0/24 40676 Psychz Networks
23.91.14.0/24 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.80.0/20 21560 Capital Technology Services G
23.91.96.0/20 37958 ChinaCache Networks ASN
23.91.112.0/21 32475 MidPhase Inc.
23.91.120.0/21 36351 SoftLayer Technologies Inc.
23.91.160.0/22 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 /12:254
/13:473 /14:927 /15:1629 /16:12814 /17:6799 /18:11249
/19:23150 /20:32987 /21:35442 /22:49596 /23:43515 /24:248655
/25:8 /26:11 /27:12 /28:125 /29:222 /30:149
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2006 2051 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1700 3042 BellSouth.net Inc.
8402 1548 1858 OJSC "Vimpelcom"
22773 1464 2210 Cox Communications, Inc.
30036 1236 1395 Mediacom Communications Corp
11492 1195 1233 Cable One
1785 1088 2044 PaeTec Communications, Inc.
6983 1035 1293 ITC^Deltacom
22561 964 1240 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:903 2:886 3:3 4:16 5:1023 6:21
8:606 12:1874 13:3 14:875 15:11 16:3
17:18 18:19 20:25 23:599 24:1759 27:1709
31:1528 32:40 33:2 34:5 36:87 37:1939
38:911 39:5 40:182 41:3332 42:286 44:14
46:2037 47:11 49:692 50:857 52:12 54:44
55:5 56:4 57:29 58:1094 59:576 60:365
61:1464 62:1248 63:1974 64:4357 65:2346 66:4152
67:2091 68:1086 69:3293 70:893 71:487 72:2018
74:2584 75:318 76:304 77:1190 78:1047 79:665
80:1281 81:1051 82:634 83:681 84:586 85:1252
86:380 87:1010 88:554 89:1545 90:152 91:5692
92:612 93:1608 94:2075 95:1535 96:516 97:347
98:1065 99:41 100:31 101:406 103:3673 105:528
106:142 107:218 108:519 109:1995 110:972 111:1112
112:595 113:810 114:743 115:1015 116:991 117:803
118:1184 119:1272 120:331 121:738 122:1754 123:1266
124:1383 125:1431 128:621 129:222 130:336 131:661
132:347 133:158 134:292 135:72 136:275 137:246
138:351 139:176 140:172 141:323 142:534 143:393
144:492 145:90 146:523 147:405 148:727 149:370
150:152 151:650 152:412 153:205 154:54 155:502
156:303 157:367 158:284 159:693 160:361 161:451
162:872 163:205 164:617 165:581 166:261 167:637
168:1036 169:124 170:1108 171:184 172:27 173:1627
174:665 175:512 176:1308 177:2501 178:1874 179:290
180:1570 181:869 182:1391 183:470 184:628 185:1071
186:2652 187:1453 188:1853 189:1253 190:7270 192:7015
193:5436 194:4034 195:3363 196:1340 197:1069 198:4705
199:5472 200:6035 201:2515 202:8743 203:8818 204:4471
205:2635 206:2750 207:2739 208:3959 209:3611 210:2929
211:1568 212:2175 213:2003 214:891 215:82 216:5379
217:1709 218:617 219:316 220:1276 221:584 222:324
223:507
End of report
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