* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 18 Dec, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 470193
Prefixes after maximum aggregation: 188859
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 235755
Total ASes present in the Internet Routing Table: 45607
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 35472
Origin ASes announcing only one prefix: 16285
Transit ASes present in the Internet Routing Table: 5825
Transit-only ASes present in the Internet Routing Table: 139
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: 1069
Unregistered ASNs in the Routing Table: 303
Number of 32-bit ASNs allocated by the RIRs: 5520
Number of 32-bit ASNs visible in the Routing Table: 4310
Prefixes from 32-bit ASNs in the Routing Table: 13465
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: 1442
Number of addresses announced to Internet: 2680884992
Equivalent to 159 /8s, 203 /16s and 15 /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: 163518
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108741
Total APNIC prefixes after maximum aggregation: 33458
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 111654
Unique aggregates announced from the APNIC address blocks: 47819
APNIC Region origin ASes present in the Internet Routing Table: 4841
APNIC Prefixes per ASN: 23.06
APNIC Region origin ASes announcing only one prefix: 1220
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: 797
Number of APNIC addresses announced to Internet: 728067584
Equivalent to 43 /8s, 101 /16s and 110 /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: 162016
Total ARIN prefixes after maximum aggregation: 81416
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162874
Unique aggregates announced from the ARIN address blocks: 75809
ARIN Region origin ASes present in the Internet Routing Table: 15878
ARIN Prefixes per ASN: 10.26
ARIN Region origin ASes announcing only one prefix: 5996
ARIN Region transit ASes present in the Internet Routing Table: 1597
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: 1074675200
Equivalent to 64 /8s, 14 /16s and 62 /24s
Percentage of available ARIN address space announced: 56.9
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: 119960
Total RIPE prefixes after maximum aggregation: 61253
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123688
Unique aggregates announced from the RIPE address blocks: 79283
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: 2802
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: 2531
Number of RIPE addresses announced to Internet: 656063744
Equivalent to 39 /8s, 26 /16s and 189 /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: 52630
Total LACNIC prefixes after maximum aggregation: 9899
LACNIC Deaggregation factor: 5.32
Prefixes being announced from the LACNIC address blocks: 57936
Unique aggregates announced from the LACNIC address blocks: 27470
LACNIC Region origin ASes present in the Internet Routing Table: 2047
LACNIC Prefixes per ASN: 28.30
LACNIC Region origin ASes announcing only one prefix: 552
LACNIC Region transit ASes present in the Internet Routing Table: 387
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: 146457088
Equivalent to 8 /8s, 186 /16s and 194 /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: 11941
Total AfriNIC prefixes after maximum aggregation: 2593
AfriNIC Deaggregation factor: 4.61
Prefixes being announced from the AfriNIC address blocks: 12598
Unique aggregates announced from the AfriNIC address blocks: 4236
AfriNIC Region origin ASes present in the Internet Routing Table: 698
AfriNIC Prefixes per ASN: 18.05
AfriNIC Region origin ASes announcing only one prefix: 207
AfriNIC Region transit ASes present in the Internet Routing Table: 143
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: 48636160
Equivalent to 2 /8s, 230 /16s and 33 /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 2730 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2155 11550 652 Korea Telecom (KIX)
7545 2104 319 111 TPG Internet Pty Ltd
4755 1816 401 187 TATA Communications formerly
9829 1556 1251 42 BSNL National Internet Backbo
9583 1316 103 545 Sify Limited
9498 1231 309 73 BHARTI Airtel Ltd.
7552 1174 1080 13 Vietel Corporation
24560 1097 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 3029 3688 53 BellSouth.net Inc.
22773 2303 2939 139 Cox Communications, Inc.
1785 2144 686 129 PaeTec Communications, Inc.
18566 2047 379 177 MegaPath Corporation
20115 1680 1661 596 Charter Communications
4323 1639 1097 413 Time Warner Telecom
701 1508 11144 781 MCI Communications Services,
30036 1375 309 574 Mediacom Communications Corp
7018 1319 17764 864 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 1853 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 844 370 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 3435 1837 93 NET Servicos de Comunicao S.A
10620 2690 435 209 Telmex Colombia S.A.
18881 1778 908 20 Global Village Telecom
7303 1740 1163 227 Telecom Argentina Stet-France
8151 1360 2855 423 UniNet S.A. de C.V.
11830 862 363 23 Instituto Costarricense de El
27947 830 94 90 Telconet S.A
6147 789 373 27 Telefonica Del Peru
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6503 771 434 60 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 873 338 26 LINKdotNET AS number
6713 598 653 27 Itissalat Al-MAGHRIB
8452 421 956 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 3435 1837 93 NET Servicos de Comunicao S.A
6389 3029 3688 53 BellSouth.net Inc.
17974 2730 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2690 435 209 Telmex Colombia S.A.
22773 2303 2939 139 Cox Communications, Inc.
4766 2155 11550 652 Korea Telecom (KIX)
1785 2144 686 129 PaeTec Communications, Inc.
7545 2104 319 111 TPG Internet Pty Ltd
18566 2047 379 177 MegaPath Corporation
8402 1853 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 3029 2976 BellSouth.net Inc.
17974 2730 2642 PT TELEKOMUNIKASI INDONESIA
10620 2690 2481 Telmex Colombia S.A.
22773 2303 2164 Cox Communications, Inc.
1785 2144 2015 PaeTec Communications, Inc.
7545 2104 1993 TPG Internet Pty Ltd
18566 2047 1870 MegaPath Corporation
8402 1853 1837 OJSC "Vimpelcom"
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 /12:254
/13:472 /14:939 /15:1637 /16:12817 /17:6762 /18:11293
/19:23160 /20:33061 /21:35656 /22:49973 /23:43616 /24:249743
/25:8 /26:11 /27:12 /28:123 /29:211 /30:159
/31:0 /32:134
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 3029 BellSouth.net Inc.
8402 1570 1853 OJSC "Vimpelcom"
22773 1553 2303 Cox Communications, Inc.
30036 1216 1375 Mediacom Communications Corp
1785 1163 2144 PaeTec Communications, Inc.
11492 1145 1182 Cable One
6983 1037 1295 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)
----------------------------------------------
1:916 2:894 3:3 4:15 5:783 6:21
8:612 12:1885 13:3 14:875 15:9 16:3
17:19 18:19 20:36 23:617 24:1750 27:1698
31:1496 32:41 33:2 34:5 36:105 37:1918
38:916 39:3 40:182 41:3307 42:235 44:14
46:2076 47:11 49:701 50:857 52:12 54:44
55:6 56:4 57:29 58:1069 59:587 60:367
61:1471 62:1230 63:1974 64:4390 65:2331 66:4132
67:2121 68:1085 69:3282 70:908 71:508 72:2022
74:2579 75:322 76:305 77:1179 78:1011 79:670
80:1286 81:1096 82:647 83:754 84:612 85:1268
86:384 87:1017 88:520 89:1563 90:151 91:5727
92:621 93:1614 94:2093 95:1477 96:520 97:350
98:1081 99:41 100:32 101:447 103:3824 105:532
106:144 107:247 108:522 109:2035 110:959 111:1132
112:589 113:808 114:731 115:1007 116:995 117:803
118:1184 119:1264 120:333 121:745 122:1791 123:1253
124:1346 125:1440 128:591 129:221 130:339 131:661
132:349 133:159 134:296 135:72 136:276 137:248
138:350 139:168 140:178 141:332 142:538 143:400
144:493 145:90 146:545 147:427 148:738 149:359
150:152 151:484 152:414 153:207 154:50 155:519
156:308 157:368 158:284 159:698 160:359 161:453
162:946 163:206 164:624 165:576 166:281 167:639
168:1036 169:122 170:1148 171:185 172:12 173:1730
174:672 175:523 176:1312 177:2526 178:1890 179:319
180:1593 181:895 182:1414 183:471 184:622 185:1134
186:2663 187:1441 188:1968 189:1253 190:7250 191:1
192:6990 193:5465 194:4036 195:3380 196:1358 197:1117
198:4736 199:5482 200:6042 201:2496 202:8820 203:8847
204:4463 205:2600 206:2809 207:2753 208:3954 209:3693
210:2943 211:1605 212:2202 213:1972 214:874 215:84
216:5417 217:1723 218:616 219:312 220:1268 221:587
222:327 223:544
End of report
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