* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 19 Dec, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 470415
Prefixes after maximum aggregation: 188777
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 235743
Total ASes present in the Internet Routing Table: 45605
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 35483
Origin ASes announcing only one prefix: 16285
Transit ASes present in the Internet Routing Table: 5814
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: 1074
Unregistered ASNs in the Routing Table: 308
Number of 32-bit ASNs allocated by the RIRs: 5534
Number of 32-bit ASNs visible in the Routing Table: 4308
Prefixes from 32-bit ASNs in the Routing Table: 13437
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: 1447
Number of addresses announced to Internet: 2680263680
Equivalent to 159 /8s, 193 /16s and 148 /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: 163710
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108760
Total APNIC prefixes after maximum aggregation: 33410
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 111678
Unique aggregates announced from the APNIC address blocks: 47826
APNIC Region origin ASes present in the Internet Routing Table: 4833
APNIC Prefixes per ASN: 23.11
APNIC Region origin ASes announcing only one prefix: 1217
APNIC Region transit ASes present in the Internet Routing Table: 823
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: 797
Number of APNIC addresses announced to Internet: 727959296
Equivalent to 43 /8s, 99 /16s and 199 /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: 162044
Total ARIN prefixes after maximum aggregation: 81400
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162904
Unique aggregates announced from the ARIN address blocks: 75798
ARIN Region origin ASes present in the Internet Routing Table: 15881
ARIN Prefixes per ASN: 10.26
ARIN Region origin ASes announcing only one prefix: 6003
ARIN Region transit ASes present in the Internet Routing Table: 1599
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: 1074535168
Equivalent to 64 /8s, 12 /16s and 27 /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: 119938
Total RIPE prefixes after maximum aggregation: 61272
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123659
Unique aggregates announced from the RIPE address blocks: 79223
RIPE Region origin ASes present in the Internet Routing Table: 17556
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: 2799
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: 2529
Number of RIPE addresses announced to Internet: 655697664
Equivalent to 39 /8s, 21 /16s and 39 /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: 52796
Total LACNIC prefixes after maximum aggregation: 9861
LACNIC Deaggregation factor: 5.35
Prefixes being announced from the LACNIC address blocks: 58079
Unique aggregates announced from the LACNIC address blocks: 27526
LACNIC Region origin ASes present in the Internet Routing Table: 2048
LACNIC Prefixes per ASN: 28.36
LACNIC Region origin ASes announcing only one prefix: 550
LACNIC Region transit ASes present in the Internet Routing Table: 382
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: 927
Number of LACNIC addresses announced to Internet: 146510336
Equivalent to 8 /8s, 187 /16s and 146 /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: 11989
Total AfriNIC prefixes after maximum aggregation: 2591
AfriNIC Deaggregation factor: 4.63
Prefixes being announced from the AfriNIC address blocks: 12647
Unique aggregates announced from the AfriNIC address blocks: 4235
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: 209
AfriNIC Region transit ASes present in the Internet Routing Table: 145
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: 48572416
Equivalent to 2 /8s, 229 /16s and 40 /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 2731 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2155 11550 652 Korea Telecom (KIX)
7545 2104 319 111 TPG Internet Pty Ltd
4755 1817 401 187 TATA Communications formerly
9829 1555 1251 42 BSNL National Internet Backbo
9583 1317 103 546 Sify Limited
9498 1231 309 73 BHARTI Airtel Ltd.
7552 1174 1080 13 Vietel Corporation
24560 1098 382 167 Bharti Airtel Ltd., Telemedia
4808 1059 2015 315 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 1680 1661 596 Charter Communications
4323 1628 1097 406 Time Warner Telecom
701 1508 11144 781 MCI Communications Services,
30036 1375 309 574 Mediacom Communications Corp
7018 1318 17764 863 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 1887 544 16 OJSC "Vimpelcom"
34984 1368 244 225 TELLCOM ILETISIM HIZMETLERI A
20940 1216 463 912 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 682 798 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 3426 1837 90 NET Servicos de Comunicao S.A
10620 2690 435 209 Telmex Colombia S.A.
18881 1778 908 20 Global Village Telecom
7303 1739 1163 226 Telecom Argentina Stet-France
8151 1359 2855 423 UniNet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 829 94 90 Telconet S.A
6147 789 373 27 Telefonica Del Peru
6503 788 434 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 894 338 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 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 3426 1837 90 NET Servicos de Comunicao S.A
6389 3028 3688 53 BellSouth.net Inc.
17974 2731 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2690 435 209 Telmex Colombia S.A.
22773 2304 2939 139 Cox Communications, Inc.
4766 2155 11550 652 Korea Telecom (KIX)
1785 2145 686 131 PaeTec Communications, Inc.
7545 2104 319 111 TPG Internet Pty Ltd
18566 2047 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 3028 2975 BellSouth.net Inc.
17974 2731 2643 PT TELEKOMUNIKASI INDONESIA
10620 2690 2481 Telmex Colombia S.A.
22773 2304 2165 Cox Communications, Inc.
1785 2145 2014 PaeTec Communications, Inc.
7545 2104 1993 TPG Internet Pty Ltd
8402 1887 1871 OJSC "Vimpelcom"
18566 2047 1870 MegaPath Corporation
36998 1819 1814 Sudanese Mobile Telephone (ZA
18881 1778 1758 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
23.91.4.0/24 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 /12:253
/13:471 /14:938 /15:1637 /16:12819 /17:6765 /18:11293
/19:23140 /20:33041 /21:35628 /22:50057 /23:43635 /24:249920
/25:8 /26:11 /27:12 /28:124 /29:217 /30:159
/31:0 /32:135
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.
8402 1588 1887 OJSC "Vimpelcom"
22773 1554 2304 Cox Communications, Inc.
30036 1216 1375 Mediacom Communications Corp
1785 1162 2145 PaeTec Communications, Inc.
11492 1148 1185 Cable One
6983 1037 1295 ITC^Deltacom
22561 977 1252 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:912 2:889 3:3 4:15 5:788 6:21
8:612 12:1885 13:3 14:875 15:9 16:3
17:19 18:19 20:34 23:618 24:1755 27:1697
31:1497 32:41 33:2 34:5 36:105 37:1912
38:917 39:3 40:182 41:3323 42:234 44:14
46:2058 47:11 49:702 50:857 52:12 54:44
55:5 56:4 57:29 58:1069 59:587 60:368
61:1470 62:1230 63:1973 64:4403 65:2332 66:4132
67:2122 68:1083 69:3286 70:908 71:508 72:2024
74:2581 75:322 76:305 77:1179 78:1023 79:672
80:1285 81:1084 82:651 83:754 84:617 85:1267
86:384 87:1020 88:521 89:1565 90:151 91:5727
92:624 93:1604 94:2100 95:1484 96:520 97:351
98:1080 99:41 100:32 101:444 103:3819 105:532
106:144 107:248 108:528 109:2006 110:957 111:1133
112:588 113:810 114:736 115:999 116:993 117:802
118:1231 119:1257 120:333 121:741 122:1781 123:1254
124:1347 125:1448 128:607 129:221 130:339 131:661
132:349 133:159 134:296 135:73 136:276 137:247
138:352 139:168 140:171 141:332 142:538 143:403
144:493 145:89 146:540 147:428 148:740 149:359
150:152 151:486 152:414 153:207 154:51 155:519
156:307 157:367 158:284 159:698 160:359 161:454
162:936 163:207 164:624 165:577 166:281 167:643
168:1021 169:122 170:1150 171:185 172:12 173:1729
174:677 175:527 176:1323 177:2587 178:1886 179:336
180:1594 181:901 182:1414 183:474 184:621 185:1133
186:2645 187:1455 188:1947 189:1243 190:7275 192:6983
193:5465 194:4033 195:3382 196:1362 197:1118 198:4730
199:5486 200:6043 201:2542 202:8825 203:8845 204:4463
205:2609 206:2810 207:2753 208:3953 209:3689 210:2940
211:1605 212:2202 213:1973 214:877 215:84 216:5418
217:1723 218:615 219:312 220:1268 221:587 222:327
223:550
End of report
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