* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 21 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 468101
Prefixes after maximum aggregation: 188009
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 234352
Total ASes present in the Internet Routing Table: 45369
Prefixes per ASN: 10.32
Origin-only ASes present in the Internet Routing Table: 35385
Origin ASes announcing only one prefix: 16325
Transit ASes present in the Internet Routing Table: 5814
Transit-only ASes present in the Internet Routing Table: 135
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: 935
Unregistered ASNs in the Routing Table: 269
Number of 32-bit ASNs allocated by the RIRs: 5369
Number of 32-bit ASNs visible in the Routing Table: 4170
Prefixes from 32-bit ASNs in the Routing Table: 13063
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 1127
Number of addresses announced to Internet: 2674381312
Equivalent to 159 /8s, 103 /16s and 210 /24s
Percentage of available address space announced: 72.2
Percentage of allocated address space announced: 72.2
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: 162846
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107841
Total APNIC prefixes after maximum aggregation: 33254
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 110741
Unique aggregates announced from the APNIC address blocks: 47507
APNIC Region origin ASes present in the Internet Routing Table: 4846
APNIC Prefixes per ASN: 22.85
APNIC Region origin ASes announcing only one prefix: 1240
APNIC Region transit ASes present in the Internet Routing Table: 816
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: 750
Number of APNIC addresses announced to Internet: 727523328
Equivalent to 43 /8s, 93 /16s and 32 /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: 161667
Total ARIN prefixes after maximum aggregation: 81190
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162533
Unique aggregates announced from the ARIN address blocks: 76054
ARIN Region origin ASes present in the Internet Routing Table: 15879
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 6011
ARIN Region transit ASes present in the Internet Routing Table: 1592
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: 38
Number of ARIN addresses announced to Internet: 1073233152
Equivalent to 63 /8s, 248 /16s and 61 /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: 119708
Total RIPE prefixes after maximum aggregation: 60992
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123398
Unique aggregates announced from the RIPE address blocks: 78786
RIPE Region origin ASes present in the Internet Routing Table: 17517
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8307
RIPE Region transit ASes present in the Internet Routing Table: 2814
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: 2482
Number of RIPE addresses announced to Internet: 656106496
Equivalent to 39 /8s, 27 /16s and 100 /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: 52593
Total LACNIC prefixes after maximum aggregation: 9821
LACNIC Deaggregation factor: 5.36
Prefixes being announced from the LACNIC address blocks: 57771
Unique aggregates announced from the LACNIC address blocks: 27056
LACNIC Region origin ASes present in the Internet Routing Table: 2032
LACNIC Prefixes per ASN: 28.43
LACNIC Region origin ASes announcing only one prefix: 558
LACNIC Region transit ASes present in the Internet Routing Table: 380
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 894
Number of LACNIC addresses announced to Internet: 143303424
Equivalent to 8 /8s, 138 /16s and 163 /24s
Percentage of available LACNIC address space announced: 85.4
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: 11904
Total AfriNIC prefixes after maximum aggregation: 2594
AfriNIC Deaggregation factor: 4.59
Prefixes being announced from the AfriNIC address blocks: 12530
Unique aggregates announced from the AfriNIC address blocks: 4031
AfriNIC Region origin ASes present in the Internet Routing Table: 684
AfriNIC Prefixes per ASN: 18.32
AfriNIC Region origin ASes announcing only one prefix: 209
AfriNIC Region transit ASes present in the Internet Routing Table: 136
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: 6
Number of AfriNIC addresses announced to Internet: 48072192
Equivalent to 2 /8s, 221 /16s and 134 /24s
Percentage of available AfriNIC address space announced: 47.8
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 2713 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2135 11550 641 Korea Telecom (KIX)
7545 2079 319 109 TPG Internet Pty Ltd
4755 1806 401 186 TATA Communications formerly
9829 1544 1245 45 BSNL National Internet Backbo
9583 1234 95 507 Sify Limited
9498 1212 309 74 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
24560 1095 380 166 Bharti Airtel Ltd., Telemedia
4808 1059 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 3044 3688 53 BellSouth.net Inc.
22773 2204 2941 141 Cox Communications, Inc.
1785 2057 686 144 PaeTec Communications, Inc.
18566 2052 379 177 MegaPath Corporation
20115 1685 1655 600 Charter Communications
4323 1649 1114 421 Time Warner Telecom
701 1509 11163 786 MCI Communications Services,
30036 1385 312 582 Mediacom Communications Corp
7018 1342 17795 880 AT&T WorldNet Services
6983 1296 758 581 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 1883 544 16 OJSC "Vimpelcom"
34984 1368 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1162 435 878 Akamai Technologies European
31148 1001 45 19 FreeNet ISP
13188 894 99 48 TOV "Bank-Inform"
6849 870 363 39 JSC UKRTELECOM,
8551 799 370 41 Bezeq International
6830 777 2329 429 UPC Distribution Services
12479 679 797 57 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 3343 1790 104 NET Servicos de Comunicao S.A
10620 2666 432 219 Telmex Colombia S.A.
7303 1728 1150 231 Telecom Argentina Stet-France
18881 1635 908 20 Global Village Telecom
8151 1347 2853 410 UniNet S.A. de C.V.
11830 866 364 15 Instituto Costarricense de El
27947 819 94 91 Telconet S.A
6147 812 373 27 Telefonica Del Peru
6503 789 434 63 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 889 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 408 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
36992 227 501 29 Etisalat MISR
29571 224 17 12 Ci Telecom Autonomous system
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 3343 1790 104 NET Servicos de Comunicao S.A
6389 3044 3688 53 BellSouth.net Inc.
17974 2713 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2666 432 219 Telmex Colombia S.A.
22773 2204 2941 141 Cox Communications, Inc.
4766 2135 11550 641 Korea Telecom (KIX)
7545 2079 319 109 TPG Internet Pty Ltd
1785 2057 686 144 PaeTec Communications, Inc.
18566 2052 379 177 MegaPath Corporation
8402 1883 544 16 OJSC "Vimpelcom"
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 3044 2991 BellSouth.net Inc.
17974 2713 2625 PT TELEKOMUNIKASI INDONESIA
10620 2666 2447 Telmex Colombia S.A.
22773 2204 2063 Cox Communications, Inc.
7545 2079 1970 TPG Internet Pty Ltd
1785 2057 1913 PaeTec Communications, Inc.
18566 2052 1875 MegaPath Corporation
8402 1883 1867 OJSC "Vimpelcom"
36998 1864 1859 Sudanese Mobile Telephone (ZA
4755 1806 1620 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
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.
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/19 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
/13:472 /14:924 /15:1625 /16:12798 /17:6782 /18:11266
/19:23072 /20:32940 /21:35491 /22:49482 /23:43522 /24:248642
/25:8 /26:11 /27:12 /28:127 /29:225 /30:155
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2006 2052 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1701 3044 BellSouth.net Inc.
8402 1565 1883 OJSC "Vimpelcom"
22773 1461 2204 Cox Communications, Inc.
30036 1229 1385 Mediacom Communications Corp
11492 1195 1233 Cable One
1785 1095 2057 PaeTec Communications, Inc.
6983 1036 1296 ITC^Deltacom
22561 962 1239 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:895 2:875 3:3 4:16 5:1024 6:21
8:616 12:1878 13:3 14:878 15:11 16:3
17:18 18:19 20:21 23:567 24:1759 27:1623
31:1520 32:40 33:2 34:5 36:87 37:1927
38:911 39:5 40:182 41:3347 42:285 44:14
46:2025 47:11 49:692 50:845 52:12 54:44
55:7 56:4 57:29 58:1090 59:572 60:376
61:1461 62:1250 63:1983 64:4321 65:2345 66:4157
67:2109 68:1095 69:3273 70:872 71:487 72:2011
74:2575 75:325 76:307 77:1134 78:1058 79:661
80:1278 81:1048 82:655 83:675 84:587 85:1253
86:375 87:1028 88:557 89:1561 90:152 91:5689
92:612 93:1609 94:2067 95:1559 96:513 97:348
98:1041 99:41 100:31 101:403 103:3627 105:527
106:141 107:218 108:515 109:1979 110:970 111:1114
112:586 113:810 114:729 115:1015 116:994 117:814
118:1182 119:1250 120:328 121:743 122:1783 123:1260
124:1358 125:1440 128:631 129:211 130:336 131:658
132:357 133:158 134:547 135:72 136:282 137:245
138:349 139:294 140:173 141:317 142:532 143:384
144:482 145:90 146:519 147:404 148:731 149:369
150:138 151:650 152:412 153:205 154:54 155:496
156:292 157:370 158:281 159:694 160:360 161:452
162:861 163:202 164:617 165:584 166:263 167:634
168:1038 169:124 170:1119 171:184 172:27 173:1585
174:691 175:514 176:1322 177:2484 178:1867 179:300
180:1587 181:875 182:1378 183:444 184:629 185:1054
186:2644 187:1487 188:1849 189:1264 190:7276 192:6995
193:5438 194:4026 195:3366 196:1340 197:1046 198:4693
199:5446 200:6040 201:2514 202:8791 203:8813 204:4462
205:2610 206:2744 207:2768 208:3980 209:3641 210:2915
211:1558 212:2171 213:2000 214:885 215:90 216:5394
217:1700 218:619 219:316 220:1273 221:585 222:324
223:500
End of report
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