* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Sun 14 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 450467
Prefixes after maximum aggregation: 184356
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 214480
Total ASes present in the Internet Routing Table: 43822
Prefixes per ASN: 10.28
Origin-only ASes present in the Internet Routing Table: 34459
Origin ASes announcing only one prefix: 16065
Transit ASes present in the Internet Routing Table: 5798
Transit-only ASes present in the Internet Routing Table: 142
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 19037) 22
Prefixes from unregistered ASNs in the Routing Table: 377
Unregistered ASNs in the Routing Table: 139
Number of 32-bit ASNs allocated by the RIRs: 4722
Number of 32-bit ASNs visible in the Routing Table: 3565
Prefixes from 32-bit ASNs in the Routing Table: 10134
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 212
Number of addresses announced to Internet: 2613935436
Equivalent to 155 /8s, 205 /16s and 125 /24s
Percentage of available address space announced: 70.6
Percentage of allocated address space announced: 70.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.4
Total number of prefixes smaller than registry allocations: 159269
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108029
Total APNIC prefixes after maximum aggregation: 33364
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 109216
Unique aggregates announced from the APNIC address blocks: 44360
APNIC Region origin ASes present in the Internet Routing Table: 4817
APNIC Prefixes per ASN: 22.67
APNIC Region origin ASes announcing only one prefix: 1220
APNIC Region transit ASes present in the Internet Routing Table: 817
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 494
Number of APNIC addresses announced to Internet: 720707008
Equivalent to 42 /8s, 245 /16s and 29 /24s
Percentage of available APNIC address space announced: 84.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
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: 157933
Total ARIN prefixes after maximum aggregation: 79691
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158638
Unique aggregates announced from the ARIN address blocks: 72510
ARIN Region origin ASes present in the Internet Routing Table: 15634
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5947
ARIN Region transit ASes present in the Internet Routing Table: 1616
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1062717824
Equivalent to 63 /8s, 87 /16s and 201 /24s
Percentage of available ARIN address space announced: 56.2
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, 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: 116522
Total RIPE prefixes after maximum aggregation: 59384
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120051
Unique aggregates announced from the RIPE address blocks: 69423
RIPE Region origin ASes present in the Internet Routing Table: 17128
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8155
RIPE Region transit ASes present in the Internet Routing Table: 2801
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2291
Number of RIPE addresses announced to Internet: 657082340
Equivalent to 39 /8s, 42 /16s and 71 /24s
Percentage of available RIPE address space announced: 95.5
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, 196608-199679
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: 47643
Total LACNIC prefixes after maximum aggregation: 9383
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 51678
Unique aggregates announced from the LACNIC address blocks: 24123
LACNIC Region origin ASes present in the Internet Routing Table: 1893
LACNIC Prefixes per ASN: 27.30
LACNIC Region origin ASes announcing only one prefix: 558
LACNIC Region transit ASes present in the Internet Routing Table: 351
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 755
Number of LACNIC addresses announced to Internet: 126760744
Equivalent to 7 /8s, 142 /16s and 55 /24s
Percentage of available LACNIC address space announced: 75.6
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 262144-263167 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: 10064
Total AfriNIC prefixes after maximum aggregation: 2485
AfriNIC Deaggregation factor: 4.05
Prefixes being announced from the AfriNIC address blocks: 10672
Unique aggregates announced from the AfriNIC address blocks: 3867
AfriNIC Region origin ASes present in the Internet Routing Table: 614
AfriNIC Prefixes per ASN: 17.38
AfriNIC Region origin ASes announcing only one prefix: 185
AfriNIC Region transit ASes present in the Internet Routing Table: 128
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7
Number of AfriNIC addresses announced to Internet: 46228992
Equivalent to 2 /8s, 193 /16s and 102 /24s
Percentage of available AfriNIC address space announced: 45.9
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
4766 2956 11557 923 Korea Telecom (KIX)
17974 2507 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1884 320 109 TPG Internet Pty Ltd
4755 1734 392 198 TATA Communications formerly
9829 1511 1205 40 BSNL National Internet Backbo
9583 1283 98 538 Sify Limited
7552 1170 1066 12 Vietel Corporation
4808 1121 2109 325 CNCGROUP IP network: China169
9498 1071 310 73 BHARTI Airtel Ltd.
24560 1066 385 163 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3037 3694 87 bellsouth.net, inc.
7029 2174 1265 212 Windstream Communications Inc
18566 2068 382 184 Covad Communications
22773 2013 2929 125 Cox Communications, Inc.
1785 1974 677 122 PaeTec Communications, Inc.
20115 1669 1611 611 Charter Communications
4323 1608 1139 397 Time Warner Telecom
30036 1340 296 658 Mediacom Communications Corp
7018 1316 10807 855 AT&T WorldNet Services
11492 1219 225 333 Cable One
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1811 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1145 234 207 BILISIM TELEKOM
12479 843 786 66 Uni2 Autonomous System
13188 837 99 33 Educational Network
20940 822 288 652 Akamai Technologies European
31148 793 41 21 FreeNet ISP
6830 752 2318 442 UPC Distribution Services
8551 733 368 56 Bezeq International
58113 666 74 386 LIR DATACENTER TELECOM SRL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 2598 1433 99 NET Servicos de Comunicao S.A
10620 2365 409 219 TVCABLE BOGOTA
7303 1674 1153 211 Telecom Argentina Stet-France
8151 1223 2687 398 UniNet S.A. de C.V.
14754 1130 153 37 Telgua S. A.
6503 1110 435 68 AVANTEL, S.A.
18881 850 716 18 Global Village Telecom
27947 809 88 97 Telconet S.A
11830 725 364 14 Instituto Costarricense de El
3816 695 306 85 Empresa Nacional de Telecomun
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1137 80 4 MOBITEL
24863 692 274 33 LINKdotNET AS number
6713 543 617 25 Itissalat Al-MAGHRIB
8452 353 956 9 TEDATA
24835 275 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
16637 184 696 90 MTN Network Solutions
33776 163 11 15 Starcomms Nigeria Limited
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3037 3694 87 bellsouth.net, inc.
4766 2956 11557 923 Korea Telecom (KIX)
28573 2598 1433 99 NET Servicos de Comunicao S.A
17974 2507 840 86 PT TELEKOMUNIKASI INDONESIA
10620 2365 409 219 TVCABLE BOGOTA
7029 2174 1265 212 Windstream Communications Inc
18566 2068 382 184 Covad Communications
22773 2013 2929 125 Cox Communications, Inc.
1785 1974 677 122 PaeTec Communications, Inc.
7545 1884 320 109 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2598 2499 NET Servicos de Comunicao S.A
17974 2507 2421 PT TELEKOMUNIKASI INDONESIA
10620 2365 2146 TVCABLE BOGOTA
4766 2956 2033 Korea Telecom (KIX)
7029 2174 1962 Windstream Communications Inc
22773 2013 1888 Cox Communications, Inc.
18566 2068 1884 Covad Communications
1785 1974 1852 PaeTec Communications, Inc.
8402 1811 1795 Corbina telecom
7545 1884 1775 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 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
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
26064 UNALLOCATED 12.149.37.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/24 2876 Jump Management SRL
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.55.0/24 48571 SC efectRO SRL
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.106.0/24 23456 32-bit ASN transition
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.222.80.0/21 37110 Moztel LDA
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
64.185.230.0/24 27431 JTL Networks Inc.
Complete listing at http://thyme.rand.apnic.net/current/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 /9:13 /10:29 /11:88 /12:249
/13:485 /14:884 /15:1561 /16:12696 /17:6620 /18:10922
/19:21808 /20:31916 /21:33773 /22:46727 /23:41745 /24:236760
/25:1389 /26:1769 /27:861 /28:45 /29:70 /30:21
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2019 2068 Covad Communications
6389 1742 3037 bellsouth.net, inc.
7029 1613 2174 Windstream Communications Inc
8402 1508 1811 Corbina telecom
22773 1318 2013 Cox Communications, Inc.
30036 1217 1340 Mediacom Communications Corp
11492 1179 1219 Cable One
36998 1131 1137 MOBITEL
1785 1047 1974 PaeTec Communications, Inc.
6983 1006 1134 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:767 2:767 3:3 4:15 5:862 6:4
8:543 12:1920 13:3 14:754 15:11 16:3
17:9 20:18 23:257 24:1777 27:1451 31:1208
32:43 33:2 34:5 36:43 37:1798 38:860
39:2 40:169 41:2623 42:185 44:6 46:1792
47:2 49:620 50:676 52:12 54:30 55:8
57:27 58:1105 59:589 60:305 61:1445 62:994
63:2034 64:4304 65:2180 66:4305 67:2073 68:1119
69:3249 70:876 71:531 72:1917 74:2567 75:411
76:293 77:1096 78:1045 79:589 80:1234 81:975
82:612 83:578 84:568 85:1163 86:463 87:964
88:527 89:1806 90:281 91:5489 92:617 93:1720
94:1869 95:1613 96:503 97:340 98:1051 99:41
100:29 101:307 103:2413 105:488 106:135 107:207
108:515 109:1802 110:849 111:1046 112:502 113:782
114:688 115:1006 116:878 117:780 118:1018 119:1260
120:389 121:817 122:1731 123:1178 124:1332 125:1327
128:633 129:226 130:322 131:656 132:338 133:148
134:258 135:62 136:222 137:249 138:343 139:186
140:199 141:318 142:541 143:371 144:472 145:91
146:506 147:382 148:691 149:367 150:162 151:528
152:419 153:194 154:44 155:394 156:260 157:393
158:267 159:717 160:336 161:424 162:379 163:202
164:565 165:450 166:336 167:577 168:1027 169:133
170:1031 171:174 172:5 173:1610 174:584 175:445
176:1232 177:1851 178:1808 179:2 180:1394 181:378
182:1130 183:373 184:663 185:356 186:2449 187:1264
188:2007 189:1316 190:6639 192:6486 193:5829 194:4642
195:3640 196:1333 197:826 198:4324 199:5279 200:5969
201:2382 202:8838 203:8753 204:4522 205:2554 206:2821
207:2829 208:4065 209:3570 210:2933 211:1565 212:2026
213:1914 214:941 215:98 216:5226 217:1572 218:624
219:347 220:1255 221:548 222:314 223:441
End of report
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