* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 20 Dec, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 470502
Prefixes after maximum aggregation: 188948
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 235891
Total ASes present in the Internet Routing Table: 45621
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 35483
Origin ASes announcing only one prefix: 16295
Transit ASes present in the Internet Routing Table: 5822
Transit-only ASes present in the Internet Routing Table: 138
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: 1088
Unregistered ASNs in the Routing Table: 305
Number of 32-bit ASNs allocated by the RIRs: 5547
Number of 32-bit ASNs visible in the Routing Table: 4316
Prefixes from 32-bit ASNs in the Routing Table: 13482
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: 1462
Number of addresses announced to Internet: 2680566016
Equivalent to 159 /8s, 198 /16s and 49 /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: 163860
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108654
Total APNIC prefixes after maximum aggregation: 33428
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 111589
Unique aggregates announced from the APNIC address blocks: 47863
APNIC Region origin ASes present in the Internet Routing Table: 4843
APNIC Prefixes per ASN: 23.04
APNIC Region origin ASes announcing only one prefix: 1225
APNIC Region transit ASes present in the Internet Routing Table: 826
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: 728095744
Equivalent to 43 /8s, 101 /16s and 220 /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: 162014
Total ARIN prefixes after maximum aggregation: 81494
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162847
Unique aggregates announced from the ARIN address blocks: 75810
ARIN Region origin ASes present in the Internet Routing Table: 15882
ARIN Prefixes per ASN: 10.25
ARIN Region origin ASes announcing only one prefix: 6003
ARIN Region transit ASes present in the Internet Routing Table: 1603
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: 47
Number of ARIN addresses announced to Internet: 1074272256
Equivalent to 64 /8s, 8 /16s and 24 /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: 119905
Total RIPE prefixes after maximum aggregation: 61319
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123640
Unique aggregates announced from the RIPE address blocks: 79312
RIPE Region origin ASes present in the Internet Routing Table: 17558
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8310
RIPE Region transit ASes present in the Internet Routing Table: 2795
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: 2537
Number of RIPE addresses announced to Internet: 655769600
Equivalent to 39 /8s, 22 /16s and 64 /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: 52986
Total LACNIC prefixes after maximum aggregation: 9863
LACNIC Deaggregation factor: 5.37
Prefixes being announced from the LACNIC address blocks: 58313
Unique aggregates announced from the LACNIC address blocks: 27523
LACNIC Region origin ASes present in the Internet Routing Table: 2046
LACNIC Prefixes per ASN: 28.50
LACNIC Region origin ASes announcing only one prefix: 549
LACNIC Region transit ASes present in the Internet Routing Table: 385
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: 932
Number of LACNIC addresses announced to Internet: 146777600
Equivalent to 8 /8s, 191 /16s and 166 /24s
Percentage of available LACNIC address space announced: 87.5
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: 12001
Total AfriNIC prefixes after maximum aggregation: 2602
AfriNIC Deaggregation factor: 4.61
Prefixes being announced from the AfriNIC address blocks: 12650
Unique aggregates announced from the AfriNIC address blocks: 4237
AfriNIC Region origin ASes present in the Internet Routing Table: 700
AfriNIC Prefixes per ASN: 18.07
AfriNIC Region origin ASes announcing only one prefix: 208
AfriNIC Region transit ASes present in the Internet Routing Table: 142
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: 48647168
Equivalent to 2 /8s, 230 /16s and 76 /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 2732 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2156 11550 653 Korea Telecom (KIX)
7545 2105 319 112 TPG Internet Pty Ltd
4755 1818 401 187 TATA Communications formerly
9829 1440 1246 37 BSNL National Internet Backbo
9583 1320 104 548 Sify Limited
9498 1231 309 73 BHARTI Airtel Ltd.
7552 1165 1080 13 Vietel Corporation
24560 1098 382 167 Bharti Airtel Ltd., Telemedia
4808 1058 2015 316 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 3028 3688 53 BellSouth.net Inc.
22773 2304 2939 139 Cox Communications, Inc.
1785 2145 686 131 PaeTec Communications, Inc.
18566 2047 379 177 MegaPath Corporation
20115 1681 1662 593 Charter Communications
4323 1640 1097 413 Time Warner Telecom
701 1508 11144 781 MCI Communications Services,
30036 1375 309 574 Mediacom Communications Corp
7018 1315 17764 860 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 1747 544 16 OJSC "Vimpelcom"
34984 1368 244 225 TELLCOM ILETISIM HIZMETLERI A
20940 1213 461 911 Akamai Technologies European
31148 1011 45 19 FreeNet ISP
13188 898 99 42 TOV "Bank-Inform"
6849 860 363 39 JSC UKRTELECOM,
8551 845 370 38 Bezeq International
6830 773 2328 426 UPC Distribution Services
12479 683 798 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 3427 1839 90 NET Servicos de Comunicao S.A
10620 2689 435 209 Telmex Colombia S.A.
18881 1778 908 20 Global Village Telecom
7303 1740 1163 227 Telecom Argentina Stet-France
8151 1352 2846 429 UniNet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 829 94 90 Telconet S.A
6147 788 373 27 Telefonica Del Peru
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6503 772 434 61 AVANTEL, 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 891 338 26 LINKdotNET AS number
6713 598 653 27 Itissalat Al-MAGHRIB
8452 419 956 9 TEDATA
24835 298 144 9 RAYA Telecom - Egypt
3741 247 921 209 The Internet Solution
36992 247 526 30 Etisalat MISR
29571 238 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 3427 1839 90 NET Servicos de Comunicao S.A
6389 3028 3688 53 BellSouth.net Inc.
17974 2732 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2689 435 209 Telmex Colombia S.A.
22773 2304 2939 139 Cox Communications, Inc.
4766 2156 11550 653 Korea Telecom (KIX)
1785 2145 686 131 PaeTec Communications, Inc.
7545 2105 319 112 TPG Internet Pty Ltd
18566 2047 379 177 MegaPath Corporation
36998 1819 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 3028 2975 BellSouth.net Inc.
17974 2732 2644 PT TELEKOMUNIKASI INDONESIA
10620 2689 2480 Telmex Colombia S.A.
22773 2304 2165 Cox Communications, Inc.
1785 2145 2014 PaeTec Communications, Inc.
7545 2105 1993 TPG Internet Pty Ltd
18566 2047 1870 MegaPath Corporation
36998 1819 1814 Sudanese Mobile Telephone (ZA
18881 1778 1758 Global Village Telecom
8402 1747 1731 OJSC "Vimpelcom"
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
/13:471 /14:938 /15:1636 /16:12819 /17:6766 /18:11302
/19:23161 /20:32910 /21:35644 /22:50026 /23:43696 /24:250066
/25:8 /26:11 /27:12 /28:121 /29:218 /30:158
/31:0 /32:133
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2002 2047 MegaPath Corporation
36998 1786 1819 Sudanese Mobile Telephone (ZA
6389 1699 3028 BellSouth.net Inc.
22773 1554 2304 Cox Communications, Inc.
8402 1475 1747 OJSC "Vimpelcom"
30036 1216 1375 Mediacom Communications Corp
1785 1162 2145 PaeTec Communications, Inc.
11492 1148 1185 Cable One
6983 1037 1295 ITC^Deltacom
22561 974 1249 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 2:860 3:3 4:15 5:792 6:21
8:613 12:1882 13:3 14:877 15:9 16:3
17:19 18:19 20:34 23:614 24:1753 27:1693
31:1496 32:41 33:2 34:5 36:105 37:1905
38:920 39:3 40:182 41:3320 42:234 44:14
46:2090 47:11 49:702 50:858 52:12 54:44
55:5 56:4 57:29 58:1065 59:583 60:368
61:1471 62:1228 63:1974 64:4396 65:2332 66:4133
67:2110 68:1085 69:3283 70:909 71:510 72:2024
74:2586 75:322 76:305 77:1180 78:1010 79:675
80:1286 81:1084 82:651 83:753 84:621 85:1268
86:391 87:1019 88:520 89:1565 90:150 91:5731
92:623 93:1589 94:2097 95:1479 96:519 97:351
98:1081 99:41 100:32 101:447 103:3829 105:532
106:144 107:253 108:530 109:2049 110:960 111:1134
112:587 113:809 114:734 115:1006 116:993 117:793
118:1238 119:1259 120:333 121:743 122:1794 123:1251
124:1348 125:1449 128:580 129:222 130:340 131:659
132:349 133:159 134:296 135:73 136:276 137:247
138:353 139:168 140:173 141:336 142:537 143:399
144:493 145:90 146:541 147:426 148:723 149:359
150:152 151:477 152:410 153:208 154:51 155:525
156:309 157:367 158:284 159:698 160:359 161:451
162:949 163:207 164:624 165:579 166:280 167:641
168:1037 169:122 170:1152 171:185 172:12 173:1712
174:675 175:528 176:1282 177:2598 178:1888 179:342
180:1596 181:912 182:1414 183:475 184:622 185:1140
186:2783 187:1465 188:1946 189:1250 190:7276 192:6998
193:5462 194:4036 195:3381 196:1358 197:1135 198:4725
199:5490 200:6037 201:2535 202:8809 203:8853 204:4461
205:2608 206:2816 207:2750 208:3941 209:3683 210:2940
211:1607 212:2203 213:1974 214:872 215:84 216:5414
217:1727 218:614 219:314 220:1269 221:587 222:327
223:549
End of report
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