* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 18 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 467758
Prefixes after maximum aggregation: 187874
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 234190
Total ASes present in the Internet Routing Table: 45312
Prefixes per ASN: 10.32
Origin-only ASes present in the Internet Routing Table: 35365
Origin ASes announcing only one prefix: 16305
Transit ASes present in the Internet Routing Table: 5794
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 59482) 25
Prefixes from unregistered ASNs in the Routing Table: 921
Unregistered ASNs in the Routing Table: 263
Number of 32-bit ASNs allocated by the RIRs: 5363
Number of 32-bit ASNs visible in the Routing Table: 4153
Prefixes from 32-bit ASNs in the Routing Table: 12871
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 1096
Number of addresses announced to Internet: 2675690496
Equivalent to 159 /8s, 123 /16s and 204 /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: 95.2
Total number of prefixes smaller than registry allocations: 162881
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107630
Total APNIC prefixes after maximum aggregation: 33189
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 110517
Unique aggregates announced from the APNIC address blocks: 47452
APNIC Region origin ASes present in the Internet Routing Table: 4838
APNIC Prefixes per ASN: 22.84
APNIC Region origin ASes announcing only one prefix: 1237
APNIC Region transit ASes present in the Internet Routing Table: 810
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: 744
Number of APNIC addresses announced to Internet: 728636672
Equivalent to 43 /8s, 110 /16s and 29 /24s
Percentage of available APNIC address space announced: 85.2
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: 161693
Total ARIN prefixes after maximum aggregation: 81202
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162558
Unique aggregates announced from the ARIN address blocks: 75997
ARIN Region origin ASes present in the Internet Routing Table: 15858
ARIN Prefixes per ASN: 10.25
ARIN Region origin ASes announcing only one prefix: 6004
ARIN Region transit ASes present in the Internet Routing Table: 1585
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: 1073163264
Equivalent to 63 /8s, 247 /16s and 44 /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: 119858
Total RIPE prefixes after maximum aggregation: 60938
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 123485
Unique aggregates announced from the RIPE address blocks: 78787
RIPE Region origin ASes present in the Internet Routing Table: 17512
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8312
RIPE Region transit ASes present in the Internet Routing Table: 2804
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2478
Number of RIPE addresses announced to Internet: 656717824
Equivalent to 39 /8s, 36 /16s and 184 /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: 52578
Total LACNIC prefixes after maximum aggregation: 9795
LACNIC Deaggregation factor: 5.37
Prefixes being announced from the LACNIC address blocks: 57668
Unique aggregates announced from the LACNIC address blocks: 27025
LACNIC Region origin ASes present in the Internet Routing Table: 2031
LACNIC Prefixes per ASN: 28.39
LACNIC Region origin ASes announcing only one prefix: 555
LACNIC Region transit ASes present in the Internet Routing Table: 384
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: 888
Number of LACNIC addresses announced to Internet: 143005440
Equivalent to 8 /8s, 134 /16s and 23 /24s
Percentage of available LACNIC address space announced: 85.2
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: 11809
Total AfriNIC prefixes after maximum aggregation: 2597
AfriNIC Deaggregation factor: 4.55
Prefixes being announced from the AfriNIC address blocks: 12433
Unique aggregates announced from the AfriNIC address blocks: 4043
AfriNIC Region origin ASes present in the Internet Routing Table: 679
AfriNIC Prefixes per ASN: 18.31
AfriNIC Region origin ASes announcing only one prefix: 197
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: 6
Number of AfriNIC addresses announced to Internet: 48081920
Equivalent to 2 /8s, 221 /16s and 172 /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 2712 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2136 11550 641 Korea Telecom (KIX)
7545 2082 319 111 TPG Internet Pty Ltd
4755 1773 391 189 TATA Communications formerly
9829 1544 1245 45 BSNL National Internet Backbo
9583 1234 95 507 Sify Limited
9498 1216 309 74 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 3049 3688 54 BellSouth.net Inc.
22773 2201 2939 139 Cox Communications, Inc.
18566 2054 379 177 MegaPath Corporation
1785 2039 685 130 PaeTec Communications, Inc.
20115 1681 1654 607 Charter Communications
4323 1649 1114 420 Time Warner Telecom
701 1507 11147 785 MCI Communications Services,
30036 1378 310 583 Mediacom Communications Corp
7018 1338 17794 877 AT&T WorldNet Services
6983 1294 756 579 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 1907 544 17 OJSC "Vimpelcom"
34984 1377 245 230 TELLCOM ILETISIM HIZMETLERI A
20940 1150 426 868 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 777 2329 429 UPC Distribution Services
12479 680 798 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 3414 1793 87 NET Servicos de Comunicao S.A
10620 2666 432 219 Telmex Colombia S.A.
7303 1728 1150 231 Telecom Argentina Stet-France
18881 1621 908 20 Global Village Telecom
8151 1347 2851 411 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 888 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 413 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
36992 229 501 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 3414 1793 87 NET Servicos de Comunicao S.A
6389 3049 3688 54 BellSouth.net Inc.
17974 2712 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2666 432 219 Telmex Colombia S.A.
22773 2201 2939 139 Cox Communications, Inc.
4766 2136 11550 641 Korea Telecom (KIX)
7545 2082 319 111 TPG Internet Pty Ltd
18566 2054 379 177 MegaPath Corporation
1785 2039 685 130 PaeTec Communications, Inc.
8402 1907 544 17 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 3049 2995 BellSouth.net Inc.
17974 2712 2624 PT TELEKOMUNIKASI INDONESIA
10620 2666 2447 Telmex Colombia S.A.
22773 2201 2062 Cox Communications, Inc.
7545 2082 1971 TPG Internet Pty Ltd
1785 2039 1909 PaeTec Communications, Inc.
8402 1907 1890 OJSC "Vimpelcom"
18566 2054 1877 MegaPath Corporation
36998 1864 1859 Sudanese Mobile Telephone (ZA
18881 1621 1601 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
23.91.14.0/24 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
23.91.164.0/22 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 /12:255
/13:472 /14:924 /15:1628 /16:12795 /17:6778 /18:11276
/19:23086 /20:32909 /21:35446 /22:49496 /23:43483 /24:248387
/25:9 /26:11 /27:12 /28:126 /29:220 /30:154
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2008 2054 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1704 3049 BellSouth.net Inc.
8402 1585 1907 OJSC "Vimpelcom"
22773 1460 2201 Cox Communications, Inc.
30036 1224 1378 Mediacom Communications Corp
11492 1193 1231 Cable One
1785 1086 2039 PaeTec Communications, Inc.
6983 1035 1294 ITC^Deltacom
22561 963 1240 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:895 2:895 3:3 4:16 5:1029 6:21
8:614 12:1882 13:3 14:875 15:11 16:3
17:15 18:19 20:21 23:559 24:1745 27:1623
31:1517 32:40 33:2 34:5 36:86 37:1922
38:912 39:5 40:182 41:3271 42:269 44:14
46:2027 47:11 49:689 50:833 52:12 54:43
55:7 56:4 57:29 58:1089 59:566 60:377
61:1454 62:1244 63:1977 64:4324 65:2343 66:4154
67:2111 68:1107 69:3270 70:874 71:488 72:2043
74:2569 75:325 76:307 77:1128 78:1050 79:671
80:1299 81:1038 82:654 83:659 84:584 85:1255
86:383 87:1009 88:561 89:1559 90:150 91:5670
92:622 93:1609 94:2060 95:1628 96:512 97:350
98:1042 99:41 100:30 101:382 103:3587 105:527
106:140 107:217 108:512 109:1972 110:966 111:1111
112:587 113:807 114:730 115:1007 116:992 117:805
118:1174 119:1255 120:327 121:733 122:1786 123:1252
124:1362 125:1430 128:631 129:219 130:336 131:650
132:352 133:158 134:547 135:72 136:282 137:244
138:347 139:174 140:171 141:318 142:532 143:406
144:492 145:90 146:520 147:397 148:713 149:368
150:137 151:652 152:411 153:205 154:52 155:496
156:291 157:370 158:280 159:694 160:361 161:452
162:857 163:201 164:627 165:581 166:260 167:635
168:1037 169:124 170:1115 171:184 172:27 173:1586
174:689 175:509 176:1311 177:2449 178:1966 179:299
180:1583 181:872 182:1377 183:464 184:660 185:1030
186:2633 187:1473 188:1873 189:1262 190:7274 192:6987
193:5426 194:4039 195:3371 196:1333 197:1048 198:4692
199:5449 200:6048 201:2516 202:8772 203:8792 204:4469
205:2620 206:2746 207:2768 208:3989 209:3642 210:2908
211:1558 212:2179 213:2000 214:898 215:91 216:5408
217:1690 218:618 219:316 220:1273 221:579 222:324
223:504
End of report
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