* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 16 Dec, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 469991
Prefixes after maximum aggregation: 188709
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 235588
Total ASes present in the Internet Routing Table: 45578
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 35450
Origin ASes announcing only one prefix: 16287
Transit ASes present in the Internet Routing Table: 5825
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: 28
Max AS path prepend of ASN ( 20993) 26
Prefixes from unregistered ASNs in the Routing Table: 1064
Unregistered ASNs in the Routing Table: 299
Number of 32-bit ASNs allocated by the RIRs: 5519
Number of 32-bit ASNs visible in the Routing Table: 4303
Prefixes from 32-bit ASNs in the Routing Table: 13458
Number of bogon 32-bit ASNs visible in the Routing Table: 1
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 1430
Number of addresses announced to Internet: 2680318720
Equivalent to 159 /8s, 194 /16s and 107 /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: 95.3
Total number of prefixes smaller than registry allocations: 163418
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108789
Total APNIC prefixes after maximum aggregation: 33440
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 111673
Unique aggregates announced from the APNIC address blocks: 47828
APNIC Region origin ASes present in the Internet Routing Table: 4834
APNIC Prefixes per ASN: 23.10
APNIC Region origin ASes announcing only one prefix: 1218
APNIC Region transit ASes present in the Internet Routing Table: 825
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: 792
Number of APNIC addresses announced to Internet: 728120320
Equivalent to 43 /8s, 102 /16s and 60 /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: 161951
Total ARIN prefixes after maximum aggregation: 81386
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162785
Unique aggregates announced from the ARIN address blocks: 75677
ARIN Region origin ASes present in the Internet Routing Table: 15880
ARIN Prefixes per ASN: 10.25
ARIN Region origin ASes announcing only one prefix: 6000
ARIN Region transit ASes present in the Internet Routing Table: 1601
Average ARIN Region AS path length visible: 3.2
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 45
Number of ARIN addresses announced to Internet: 1074310656
Equivalent to 64 /8s, 8 /16s and 174 /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: 119747
Total RIPE prefixes after maximum aggregation: 61227
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123570
Unique aggregates announced from the RIPE address blocks: 79276
RIPE Region origin ASes present in the Internet Routing Table: 17550
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8306
RIPE Region transit ASes present in the Internet Routing Table: 2800
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2530
Number of RIPE addresses announced to Internet: 655862784
Equivalent to 39 /8s, 23 /16s and 172 /24s
Percentage of available RIPE address space announced: 95.3
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: 52718
Total LACNIC prefixes after maximum aggregation: 9832
LACNIC Deaggregation factor: 5.36
Prefixes being announced from the LACNIC address blocks: 57967
Unique aggregates announced from the LACNIC address blocks: 27471
LACNIC Region origin ASes present in the Internet Routing Table: 2042
LACNIC Prefixes per ASN: 28.39
LACNIC Region origin ASes announcing only one prefix: 553
LACNIC Region transit ASes present in the Internet Routing Table: 383
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 928
Number of LACNIC addresses announced to Internet: 146535168
Equivalent to 8 /8s, 187 /16s and 243 /24s
Percentage of available LACNIC address space announced: 87.3
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: 11927
Total AfriNIC prefixes after maximum aggregation: 2589
AfriNIC Deaggregation factor: 4.61
Prefixes being announced from the AfriNIC address blocks: 12565
Unique aggregates announced from the AfriNIC address blocks: 4208
AfriNIC Region origin ASes present in the Internet Routing Table: 697
AfriNIC Prefixes per ASN: 18.03
AfriNIC Region origin ASes announcing only one prefix: 210
AfriNIC Region transit ASes present in the Internet Routing Table: 144
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: 8
Number of AfriNIC addresses announced to Internet: 48634368
Equivalent to 2 /8s, 230 /16s and 26 /24s
Percentage of available AfriNIC address space announced: 48.3
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 2729 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2156 11550 652 Korea Telecom (KIX)
7545 2103 319 110 TPG Internet Pty Ltd
4755 1814 401 186 TATA Communications formerly
9829 1556 1251 42 BSNL National Internet Backbo
9583 1316 103 544 Sify Limited
9498 1230 309 73 BHARTI Airtel Ltd.
7552 1174 1080 13 Vietel Corporation
24560 1097 382 167 Bharti Airtel Ltd., Telemedia
4808 1055 2014 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 3032 3688 53 BellSouth.net Inc.
22773 2301 2939 139 Cox Communications, Inc.
1785 2147 686 131 PaeTec Communications, Inc.
18566 2048 379 177 MegaPath Corporation
20115 1681 1659 599 Charter Communications
4323 1643 1097 416 Time Warner Telecom
701 1508 11144 781 MCI Communications Services,
30036 1379 309 572 Mediacom Communications Corp
7018 1319 17764 864 AT&T WorldNet Services
6983 1292 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 1887 544 16 OJSC "Vimpelcom"
34984 1367 244 225 TELLCOM ILETISIM HIZMETLERI A
20940 1212 460 909 Akamai Technologies European
31148 1011 45 19 FreeNet ISP
13188 896 99 42 TOV "Bank-Inform"
6849 860 363 39 JSC UKRTELECOM,
8551 807 370 41 Bezeq International
6830 773 2328 426 UPC Distribution Services
12479 684 798 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 3441 1829 94 NET Servicos de Comunicao S.A
10620 2695 436 199 Telmex Colombia S.A.
7303 1736 1161 231 Telecom Argentina Stet-France
18881 1721 908 20 Global Village Telecom
8151 1358 2855 422 UniNet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 829 94 90 Telconet S.A
6147 790 373 27 Telefonica Del Peru
6503 787 434 61 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 1819 112 5 Sudanese Mobile Telephone (ZA
24863 872 338 26 LINKdotNET AS number
6713 598 653 27 Itissalat Al-MAGHRIB
8452 420 956 9 TEDATA
24835 298 144 9 RAYA Telecom - Egypt
3741 247 921 209 The Internet Solution
36992 246 525 29 Etisalat MISR
29571 233 21 14 Ci Telecom Autonomous system
15706 219 32 6 Sudatel Internet Exchange Aut
37054 213 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 3441 1829 94 NET Servicos de Comunicao S.A
6389 3032 3688 53 BellSouth.net Inc.
17974 2729 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2695 436 199 Telmex Colombia S.A.
22773 2301 2939 139 Cox Communications, Inc.
4766 2156 11550 652 Korea Telecom (KIX)
1785 2147 686 131 PaeTec Communications, Inc.
7545 2103 319 110 TPG Internet Pty Ltd
18566 2048 379 177 MegaPath Corporation
8402 1887 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 3032 2979 BellSouth.net Inc.
17974 2729 2641 PT TELEKOMUNIKASI INDONESIA
10620 2695 2496 Telmex Colombia S.A.
22773 2301 2162 Cox Communications, Inc.
1785 2147 2016 PaeTec Communications, Inc.
7545 2103 1993 TPG Internet Pty Ltd
18566 2048 1871 MegaPath Corporation
8402 1887 1871 OJSC "Vimpelcom"
36998 1819 1814 Sudanese Mobile Telephone (ZA
18881 1721 1701 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
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
17300 UNALLOCATED 12.45.103.0/24 209 Qwest Communications
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
/13:472 /14:938 /15:1637 /16:12817 /17:6772 /18:11310
/19:23139 /20:33102 /21:35671 /22:49879 /23:43576 /24:249646
/25:8 /26:11 /27:12 /28:116 /29:204 /30:153
/31:0 /32:122
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2003 2048 MegaPath Corporation
36998 1786 1819 Sudanese Mobile Telephone (ZA
6389 1699 3032 BellSouth.net Inc.
8402 1596 1887 OJSC "Vimpelcom"
22773 1551 2301 Cox Communications, Inc.
30036 1220 1379 Mediacom Communications Corp
1785 1163 2147 PaeTec Communications, Inc.
11492 1145 1183 Cable One
6983 1034 1292 ITC^Deltacom
22561 975 1251 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:918 2:892 3:3 4:15 5:779 6:20
8:609 12:1885 13:3 14:875 15:11 16:3
17:19 18:19 20:36 23:618 24:1751 27:1701
31:1517 32:40 33:2 34:5 36:104 37:1911
38:914 39:5 40:182 41:3298 42:239 44:14
46:2077 47:11 49:701 50:861 52:12 54:44
55:4 56:4 57:28 58:1072 59:583 60:367
61:1471 62:1250 63:1976 64:4394 65:2331 66:4145
67:2120 68:1094 69:3279 70:908 71:508 72:2021
74:2580 75:322 76:305 77:1172 78:1008 79:670
80:1286 81:1053 82:640 83:753 84:605 85:1255
86:384 87:1038 88:521 89:1571 90:151 91:5729
92:621 93:1607 94:2093 95:1495 96:519 97:350
98:1078 99:41 100:32 101:447 103:3810 105:530
106:144 107:246 108:522 109:2009 110:955 111:1127
112:586 113:799 114:730 115:1007 116:995 117:801
118:1226 119:1261 120:331 121:743 122:1791 123:1255
124:1342 125:1440 128:593 129:222 130:338 131:648
132:349 133:159 134:296 135:72 136:275 137:248
138:346 139:167 140:178 141:329 142:538 143:399
144:490 145:90 146:544 147:424 148:738 149:359
150:152 151:483 152:414 153:207 154:46 155:517
156:308 157:368 158:284 159:697 160:360 161:453
162:946 163:206 164:624 165:576 166:280 167:638
168:1035 169:122 170:1145 171:185 172:12 173:1672
174:661 175:523 176:1295 177:2559 178:1884 179:318
180:1598 181:888 182:1415 183:472 184:623 185:1131
186:2655 187:1470 188:1963 189:1256 190:7267 192:7005
193:5473 194:4036 195:3366 196:1346 197:1097 198:4728
199:5477 200:6042 201:2531 202:8826 203:8852 204:4466
205:2600 206:2801 207:2756 208:3954 209:3691 210:2954
211:1603 212:2197 213:1975 214:864 215:84 216:5421
217:1716 218:616 219:313 220:1266 221:587 222:327
223:541
End of report
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