* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 20 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 467989
Prefixes after maximum aggregation: 188009
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 234341
Total ASes present in the Internet Routing Table: 45357
Prefixes per ASN: 10.32
Origin-only ASes present in the Internet Routing Table: 35381
Origin ASes announcing only one prefix: 16312
Transit ASes present in the Internet Routing Table: 5809
Transit-only ASes present in the Internet Routing Table: 136
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 55644) 25
Prefixes from unregistered ASNs in the Routing Table: 945
Unregistered ASNs in the Routing Table: 268
Number of 32-bit ASNs allocated by the RIRs: 5367
Number of 32-bit ASNs visible in the Routing Table: 4167
Prefixes from 32-bit ASNs in the Routing Table: 13020
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 1127
Number of addresses announced to Internet: 2679862016
Equivalent to 159 /8s, 187 /16s and 115 /24s
Percentage of available address space announced: 72.4
Percentage of allocated address space announced: 72.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.2
Total number of prefixes smaller than registry allocations: 162876
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107753
Total APNIC prefixes after maximum aggregation: 33253
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 110650
Unique aggregates announced from the APNIC address blocks: 47311
APNIC Region origin ASes present in the Internet Routing Table: 4842
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: 819
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 746
Number of APNIC addresses announced to Internet: 732933120
Equivalent to 43 /8s, 175 /16s and 172 /24s
Percentage of available APNIC address space announced: 85.7
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: 161738
Total ARIN prefixes after maximum aggregation: 81231
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162608
Unique aggregates announced from the ARIN address blocks: 76027
ARIN Region origin ASes present in the Internet Routing Table: 15872
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 6005
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: 37
Number of ARIN addresses announced to Internet: 1073204480
Equivalent to 63 /8s, 247 /16s and 205 /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: 119984
Total RIPE prefixes after maximum aggregation: 61016
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 123687
Unique aggregates announced from the RIPE address blocks: 79024
RIPE Region origin ASes present in the Internet Routing Table: 17525
RIPE Prefixes per ASN: 7.06
RIPE Region origin ASes announcing only one prefix: 8308
RIPE Region transit ASes present in the Internet Routing Table: 2815
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: 2484
Number of RIPE addresses announced to Internet: 656345088
Equivalent to 39 /8s, 31 /16s and 8 /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: 52325
Total LACNIC prefixes after maximum aggregation: 9762
LACNIC Deaggregation factor: 5.36
Prefixes being announced from the LACNIC address blocks: 57450
Unique aggregates announced from the LACNIC address blocks: 27042
LACNIC Region origin ASes present in the Internet Routing Table: 2029
LACNIC Prefixes per ASN: 28.31
LACNIC Region origin ASes announcing only one prefix: 554
LACNIC Region transit ASes present in the Internet Routing Table: 377
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: 143137024
Equivalent to 8 /8s, 136 /16s and 25 /24s
Percentage of available LACNIC address space announced: 85.3
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: 11843
Total AfriNIC prefixes after maximum aggregation: 2590
AfriNIC Deaggregation factor: 4.57
Prefixes being announced from the AfriNIC address blocks: 12466
Unique aggregates announced from the AfriNIC address blocks: 4024
AfriNIC Region origin ASes present in the Internet Routing Table: 681
AfriNIC Prefixes per ASN: 18.31
AfriNIC Region origin ASes announcing only one prefix: 205
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: 48104704
Equivalent to 2 /8s, 222 /16s and 5 /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 2706 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2136 11550 641 Korea Telecom (KIX)
7545 2078 319 109 TPG Internet Pty Ltd
4755 1806 401 186 TATA Communications formerly
9829 1543 1245 45 BSNL National Internet Backbo
9583 1234 95 507 Sify Limited
9498 1216 310 78 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
24560 1096 380 163 Bharti Airtel Ltd., Telemedia
4808 1062 2019 313 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 2203 2941 141 Cox Communications, Inc.
1785 2056 686 144 PaeTec Communications, Inc.
18566 2052 379 177 MegaPath Corporation
20115 1684 1655 606 Charter Communications
4323 1647 1114 420 Time Warner Telecom
701 1508 11147 785 MCI Communications Services,
30036 1383 312 582 Mediacom Communications Corp
7018 1342 17795 880 AT&T WorldNet Services
6983 1295 756 580 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 1886 544 16 OJSC "Vimpelcom"
34984 1365 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1156 431 872 Akamai Technologies European
31148 1005 45 19 FreeNet ISP
13188 894 99 48 TOV "Bank-Inform"
6849 861 356 30 JSC UKRTELECOM,
8551 799 370 41 Bezeq International
6830 778 2329 430 UPC Distribution Services
12479 679 798 55 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 3397 1793 87 NET Servicos de Comunicao S.A
10620 2666 432 219 Telmex Colombia S.A.
7303 1727 1150 230 Telecom Argentina Stet-France
18881 1633 908 20 Global Village Telecom
8151 1349 2851 409 UniNet S.A. de C.V.
11830 866 364 15 Instituto Costarricense de El
6147 813 373 27 Telefonica Del Peru
6503 789 434 63 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
3816 759 311 125 COLOMBIA TELECOMUNICACIONES S
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 888 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 414 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
36992 228 501 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 3397 1793 87 NET Servicos de Comunicao S.A
6389 3044 3688 53 BellSouth.net Inc.
17974 2706 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2666 432 219 Telmex Colombia S.A.
22773 2203 2941 141 Cox Communications, Inc.
4766 2136 11550 641 Korea Telecom (KIX)
7545 2078 319 109 TPG Internet Pty Ltd
1785 2056 686 144 PaeTec Communications, Inc.
18566 2052 379 177 MegaPath Corporation
8402 1886 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 2706 2618 PT TELEKOMUNIKASI INDONESIA
10620 2666 2447 Telmex Colombia S.A.
22773 2203 2062 Cox Communications, Inc.
7545 2078 1969 TPG Internet Pty Ltd
1785 2056 1912 PaeTec Communications, Inc.
18566 2052 1875 MegaPath Corporation
8402 1886 1870 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 /11:94 /12:255
/13:473 /14:924 /15:1623 /16:12810 /17:6776 /18:11282
/19:23083 /20:32854 /21:35480 /22:49510 /23:43517 /24:248574
/25:9 /26:11 /27:12 /28:126 /29:222 /30:154
/31:0 /32:140
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 1560 1886 OJSC "Vimpelcom"
22773 1460 2203 Cox Communications, Inc.
30036 1228 1383 Mediacom Communications Corp
11492 1193 1231 Cable One
1785 1095 2056 PaeTec Communications, Inc.
6983 1036 1295 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)
----------------------------------------------
1:893 2:910 3:3 4:16 5:1028 6:21
8:614 12:1883 13:3 14:878 15:11 16:3
17:16 18:19 20:21 23:564 24:1740 27:1626
31:1523 32:40 33:2 34:5 36:82 37:1924
38:912 39:5 40:182 41:3327 42:271 44:14
46:2026 47:11 49:692 50:844 52:12 54:44
55:6 56:4 57:29 58:1090 59:571 60:376
61:1460 62:1245 63:1979 64:4321 65:2343 66:4157
67:2112 68:1095 69:3275 70:874 71:488 72:2045
74:2575 75:325 76:307 77:1129 78:1055 79:669
80:1297 81:1048 82:656 83:676 84:584 85:1261
86:383 87:1032 88:558 89:1568 90:152 91:5688
92:613 93:1610 94:2066 95:1621 96:514 97:349
98:1041 99:41 100:30 101:400 103:3596 105:527
106:141 107:219 108:515 109:1980 110:971 111:1113
112:586 113:810 114:728 115:1010 116:994 117:804
118:1183 119:1253 120:326 121:741 122:1783 123:1260
124:1355 125:1439 128:636 129:220 130:335 131:658
132:352 133:158 134:547 135:72 136:283 137:244
138:349 139:294 140:171 141:317 142:533 143:414
144:495 145:90 146:520 147:399 148:730 149:369
150:137 151:652 152:412 153:205 154:52 155:500
156:293 157:360 158:281 159:693 160:361 161:452
162:860 163:202 164:616 165:581 166:263 167:636
168:1038 169:124 170:1118 171:184 172:27 173:1586
174:690 175:507 176:1313 177:2469 178:1979 179:297
180:1587 181:853 182:1378 183:449 184:634 185:1042
186:2497 187:1477 188:1871 189:1261 190:7233 192:6989
193:5427 194:4030 195:3373 196:1331 197:1039 198:4695
199:5453 200:6006 201:2508 202:8780 203:8808 204:4466
205:2620 206:2746 207:2766 208:3981 209:3642 210:2918
211:1558 212:2173 213:1999 214:895 215:91 216:5392
217:1698 218:618 219:315 220:1274 221:580 222:324
223:506
End of report
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