* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sat 21 Dec, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 470764
Prefixes after maximum aggregation: 188994
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 235886
Total ASes present in the Internet Routing Table: 45616
Prefixes per ASN: 10.32
Origin-only ASes present in the Internet Routing Table: 35475
Origin ASes announcing only one prefix: 16285
Transit ASes present in the Internet Routing Table: 5818
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: 1070
Unregistered ASNs in the Routing Table: 304
Number of 32-bit ASNs allocated by the RIRs: 5558
Number of 32-bit ASNs visible in the Routing Table: 4323
Prefixes from 32-bit ASNs in the Routing Table: 13490
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: 1475
Number of addresses announced to Internet: 2681306368
Equivalent to 159 /8s, 209 /16s and 125 /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: 164178
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108673
Total APNIC prefixes after maximum aggregation: 33443
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 111576
Unique aggregates announced from the APNIC address blocks: 47799
APNIC Region origin ASes present in the Internet Routing Table: 4841
APNIC Prefixes per ASN: 23.05
APNIC Region origin ASes announcing only one prefix: 1227
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: 790
Number of APNIC addresses announced to Internet: 728097536
Equivalent to 43 /8s, 101 /16s and 227 /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: 162069
Total ARIN prefixes after maximum aggregation: 81535
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162892
Unique aggregates announced from the ARIN address blocks: 75884
ARIN Region origin ASes present in the Internet Routing Table: 15883
ARIN Prefixes per ASN: 10.26
ARIN Region origin ASes announcing only one prefix: 6001
ARIN Region transit ASes present in the Internet Routing Table: 1602
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: 49
Number of ARIN addresses announced to Internet: 1074964224
Equivalent to 64 /8s, 18 /16s and 167 /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: 120232
Total RIPE prefixes after maximum aggregation: 61302
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123975
Unique aggregates announced from the RIPE address blocks: 79303
RIPE Region origin ASes present in the Internet Routing Table: 17554
RIPE Prefixes per ASN: 7.06
RIPE Region origin ASes announcing only one prefix: 8303
RIPE Region transit ASes present in the Internet Routing Table: 2796
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: 2541
Number of RIPE addresses announced to Internet: 655713792
Equivalent to 39 /8s, 21 /16s and 102 /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: 52898
Total LACNIC prefixes after maximum aggregation: 9878
LACNIC Deaggregation factor: 5.36
Prefixes being announced from the LACNIC address blocks: 58222
Unique aggregates announced from the LACNIC address blocks: 27544
LACNIC Region origin ASes present in the Internet Routing Table: 2041
LACNIC Prefixes per ASN: 28.53
LACNIC Region origin ASes announcing only one prefix: 546
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: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 935
Number of LACNIC addresses announced to Internet: 146819584
Equivalent to 8 /8s, 192 /16s and 74 /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: 11965
Total AfriNIC prefixes after maximum aggregation: 2594
AfriNIC Deaggregation factor: 4.61
Prefixes being announced from the AfriNIC address blocks: 12623
Unique aggregates announced from the AfriNIC address blocks: 4200
AfriNIC Region origin ASes present in the Internet Routing Table: 697
AfriNIC Prefixes per ASN: 18.11
AfriNIC Region origin ASes announcing only one prefix: 208
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: 48637696
Equivalent to 2 /8s, 230 /16s and 39 /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 2106 319 113 TPG Internet Pty Ltd
4755 1819 401 187 TATA Communications formerly
9829 1557 1251 42 BSNL National Internet Backbo
9583 1291 100 537 Sify Limited
9498 1231 309 73 BHARTI Airtel Ltd.
7552 1168 1080 13 Vietel Corporation
24560 1098 382 167 Bharti Airtel Ltd., Telemedia
4808 1062 2017 320 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 3027 3688 53 BellSouth.net Inc.
22773 2305 2939 139 Cox Communications, Inc.
1785 2145 686 131 PaeTec Communications, Inc.
18566 2047 379 177 MegaPath Corporation
20115 1682 1664 594 Charter Communications
4323 1638 1097 413 Time Warner Telecom
701 1508 11144 781 MCI Communications Services,
30036 1375 309 574 Mediacom Communications Corp
7018 1312 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 1811 544 16 OJSC "Vimpelcom"
34984 1367 244 227 TELLCOM ILETISIM HIZMETLERI A
20940 1211 460 910 Akamai Technologies European
31148 1011 45 19 FreeNet ISP
13188 918 99 40 TOV "Bank-Inform"
6849 861 363 39 JSC UKRTELECOM,
8551 846 370 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 3429 1839 90 NET Servicos de Comunicao S.A
10620 2691 435 209 Telmex Colombia S.A.
18881 1778 908 20 Global Village Telecom
7303 1741 1163 228 Telecom Argentina Stet-France
8151 1359 2855 425 UniNet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 829 94 90 Telconet S.A
6503 788 434 61 AVANTEL, S.A.
6147 787 373 27 Telefonica Del Peru
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 883 338 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 247 526 30 Etisalat MISR
29571 239 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 3429 1839 90 NET Servicos de Comunicao S.A
6389 3027 3688 53 BellSouth.net Inc.
17974 2731 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2691 435 209 Telmex Colombia S.A.
22773 2305 2939 139 Cox Communications, Inc.
4766 2155 11550 652 Korea Telecom (KIX)
1785 2145 686 131 PaeTec Communications, Inc.
7545 2106 319 113 TPG Internet Pty Ltd
18566 2047 379 177 MegaPath Corporation
4755 1819 401 187 TATA Communications formerly
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 3027 2974 BellSouth.net Inc.
17974 2731 2643 PT TELEKOMUNIKASI INDONESIA
10620 2691 2482 Telmex Colombia S.A.
22773 2305 2166 Cox Communications, Inc.
1785 2145 2014 PaeTec Communications, Inc.
7545 2106 1993 TPG Internet Pty Ltd
18566 2047 1870 MegaPath Corporation
36998 1819 1814 Sudanese Mobile Telephone (ZA
8402 1811 1795 OJSC "Vimpelcom"
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
/13:471 /14:933 /15:1636 /16:12822 /17:6765 /18:11319
/19:23163 /20:33012 /21:35645 /22:50054 /23:43709 /24:250173
/25:8 /26:11 /27:12 /28:124 /29:214 /30:156
/31:0 /32:131
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 3027 BellSouth.net Inc.
22773 1555 2305 Cox Communications, Inc.
8402 1515 1811 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 975 1250 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:921 2:863 3:3 4:15 5:825 6:21
8:613 12:1883 13:3 14:878 15:9 16:3
17:19 20:34 23:615 24:1750 27:1695 31:1515
32:41 33:2 34:5 36:104 37:1953 38:914
39:3 40:182 41:3319 42:234 44:14 46:2097
47:11 49:700 50:858 52:12 54:44 55:5
56:4 57:29 58:1066 59:583 60:368 61:1471
62:1232 63:1974 64:4392 65:2332 66:4130 67:2112
68:1086 69:3283 70:909 71:510 72:2023 74:2586
75:323 76:305 77:1185 78:1016 79:653 80:1284
81:1084 82:650 83:754 84:622 85:1279 86:404
87:1020 88:524 89:1568 90:150 91:5736 92:626
93:1618 94:2104 95:1509 96:519 97:351 98:1080
99:41 100:32 101:444 103:3815 105:533 106:144
107:255 108:530 109:2021 110:958 111:1131 112:585
113:807 114:736 115:1001 116:998 117:803 118:1235
119:1258 120:333 121:743 122:1793 123:1253 124:1345
125:1447 128:601 129:222 130:340 131:642 132:345
133:159 134:297 135:73 136:276 137:246 138:351
139:168 140:174 141:336 142:538 143:402 144:492
145:90 146:539 147:426 148:740 149:359 150:152
151:479 152:405 153:208 154:49 155:519 156:310
157:368 158:285 159:701 160:359 161:449 162:962
163:207 164:631 165:579 166:282 167:641 168:1037
169:122 170:1152 171:185 172:12 173:1715 174:675
175:528 176:1324 177:2574 178:1906 179:346 180:1590
181:915 182:1414 183:475 184:625 185:1147 186:2774
187:1458 188:1948 189:1245 190:7283 192:7004 193:5432
194:4034 195:3394 196:1332 197:1126 198:4739 199:5490
200:6036 201:2532 202:8794 203:8807 204:4465 205:2614
206:2816 207:2754 208:3945 209:3678 210:2938 211:1607
212:2206 213:1976 214:870 215:85 216:5415 217:1718
218:613 219:315 220:1260 221:591 222:327 223:550
End of report
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