* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 08 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 445289
Prefixes after maximum aggregation: 183081
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 218567
Total ASes present in the Internet Routing Table: 43519
Prefixes per ASN: 10.23
Origin-only ASes present in the Internet Routing Table: 34287
Origin ASes announcing only one prefix: 15992
Transit ASes present in the Internet Routing Table: 5781
Transit-only ASes present in the Internet Routing Table: 132
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 365
Unregistered ASNs in the Routing Table: 133
Number of 32-bit ASNs allocated by the RIRs: 3826
Number of 32-bit ASNs visible in the Routing Table: 3451
Prefixes from 32-bit ASNs in the Routing Table: 9603
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 190
Number of addresses announced to Internet: 2620785196
Equivalent to 156 /8s, 54 /16s and 2 /24s
Percentage of available address space announced: 70.8
Percentage of allocated address space announced: 70.8
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: 157392
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106985
Total APNIC prefixes after maximum aggregation: 33156
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 108102
Unique aggregates announced from the APNIC address blocks: 44051
APNIC Region origin ASes present in the Internet Routing Table: 4816
APNIC Prefixes per ASN: 22.45
APNIC Region origin ASes announcing only one prefix: 1237
APNIC Region transit ASes present in the Internet Routing Table: 815
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 449
Number of APNIC addresses announced to Internet: 719277856
Equivalent to 42 /8s, 223 /16s and 79 /24s
Percentage of available APNIC address space announced: 84.1
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 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: 156272
Total ARIN prefixes after maximum aggregation: 79071
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 157003
Unique aggregates announced from the ARIN address blocks: 71324
ARIN Region origin ASes present in the Internet Routing Table: 15528
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5880
ARIN Region transit ASes present in the Internet Routing Table: 1613
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: 1076865408
Equivalent to 64 /8s, 47 /16s and 169 /24s
Percentage of available ARIN address space announced: 57.0
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: 114353
Total RIPE prefixes after maximum aggregation: 59072
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117642
Unique aggregates announced from the RIPE address blocks: 75330
RIPE Region origin ASes present in the Internet Routing Table: 17100
RIPE Prefixes per ASN: 6.88
RIPE Region origin ASes announcing only one prefix: 8157
RIPE Region transit ASes present in the Internet Routing Table: 2791
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2229
Number of RIPE addresses announced to Internet: 654179428
Equivalent to 38 /8s, 253 /16s and 252 /24s
Percentage of available RIPE address space announced: 95.1
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: 47288
Total LACNIC prefixes after maximum aggregation: 9319
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 51098
Unique aggregates announced from the LACNIC address blocks: 23946
LACNIC Region origin ASes present in the Internet Routing Table: 1855
LACNIC Prefixes per ASN: 27.55
LACNIC Region origin ASes announcing only one prefix: 540
LACNIC Region transit ASes present in the Internet Routing Table: 344
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 748
Number of LACNIC addresses announced to Internet: 124747048
Equivalent to 7 /8s, 111 /16s and 125 /24s
Percentage of available LACNIC address space announced: 74.4
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
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: 10661
Total AfriNIC prefixes after maximum aggregation: 2413
AfriNIC Deaggregation factor: 4.42
Prefixes being announced from the AfriNIC address blocks: 11254
Unique aggregates announced from the AfriNIC address blocks: 3743
AfriNIC Region origin ASes present in the Internet Routing Table: 608
AfriNIC Prefixes per ASN: 18.51
AfriNIC Region origin ASes announcing only one prefix: 178
AfriNIC Region transit ASes present in the Internet Routing Table: 130
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: 45373184
Equivalent to 2 /8s, 180 /16s and 87 /24s
Percentage of available AfriNIC address space announced: 45.1
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 2929 11558 922 Korea Telecom (KIX)
17974 2503 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1829 301 89 TPG Internet Pty Ltd
4755 1698 390 189 TATA Communications formerly
9829 1450 1158 43 BSNL National Internet Backbo
9583 1284 98 535 Sify Limited
7552 1161 1070 12 Vietel Corporation
4808 1116 2058 322 CNCGROUP IP network: China169
9498 1066 310 75 BHARTI Airtel Ltd.
24560 1058 385 161 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 3048 3695 94 bellsouth.net, inc.
7029 2135 1266 215 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1987 2929 124 Cox Communications, Inc.
1785 1958 677 123 PaeTec Communications, Inc.
20115 1683 1612 621 Charter Communications
4323 1611 1140 400 Time Warner Telecom
30036 1345 292 686 Mediacom Communications Corp
7018 1305 10553 853 AT&T WorldNet Services
11492 1207 221 334 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 1843 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1082 232 205 BILISIM TELEKOM
13188 839 99 30 Educational Network
12479 835 784 69 Uni2 Autonomous System
20940 769 262 611 Akamai Technologies European
31148 767 40 18 FreeNet ISP
6830 714 2313 435 UPC Distribution Services
8551 709 370 43 Bezeq International
34744 669 185 24 SC GVM SISTEM 2003 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 2419 1332 85 NET Servicos de Comunicao S.A
10620 2344 403 227 TVCABLE BOGOTA
7303 1681 1147 207 Telecom Argentina Stet-France
8151 1350 2725 398 UniNet S.A. de C.V.
6503 1330 435 68 AVANTEL, S.A.
14754 944 128 77 Telgua S. A.
18881 810 716 18 Global Village Telecom
27947 781 86 100 Telconet S.A
3816 688 306 85 Empresa Nacional de Telecomun
7738 650 1306 35 Telecomunicacoes da Bahia S.A
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 1286 80 4 MOBITEL
24863 894 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 515 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 187 696 90 MTN Network Solutions
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 3048 3695 94 bellsouth.net, inc.
4766 2929 11558 922 Korea Telecom (KIX)
17974 2503 840 86 PT TELEKOMUNIKASI INDONESIA
28573 2419 1332 85 NET Servicos de Comunicao S.A
10620 2344 403 227 TVCABLE BOGOTA
7029 2135 1266 215 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1987 2929 124 Cox Communications, Inc.
1785 1958 677 123 PaeTec Communications, Inc.
8402 1843 544 16 Corbina telecom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
17974 2503 2417 PT TELEKOMUNIKASI INDONESIA
28573 2419 2334 NET Servicos de Comunicao S.A
10620 2344 2117 TVCABLE BOGOTA
4766 2929 2007 Korea Telecom (KIX)
7029 2135 1920 Windstream Communications Inc
18566 2080 1895 Covad Communications
22773 1987 1863 Cox Communications, Inc.
1785 1958 1835 PaeTec Communications, Inc.
8402 1843 1827 Corbina telecom
7545 1829 1740 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
65119 PRIVATE 8.36.67.0/24 6352 E*Trade Group
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
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
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
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
62.12.96.0/19 38478 SunnyVision Limited
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.
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 /12:247
/13:483 /14:868 /15:1563 /16:12654 /17:6628 /18:10923
/19:21725 /20:31447 /21:33532 /22:46018 /23:41461 /24:233301
/25:1368 /26:1769 /27:861 /28:182 /29:75 /30:17
/31:0 /32:20
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2030 2080 Covad Communications
6389 1751 3048 bellsouth.net, inc.
8402 1566 1843 Corbina telecom
7029 1559 2135 Windstream Communications Inc
22773 1302 1987 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1229 1345 Mediacom Communications Corp
11492 1169 1207 Cable One
1785 1038 1958 PaeTec Communications, Inc.
7011 955 1203 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:721 2:758 3:3 4:13 5:689 6:3
8:503 12:1928 13:3 14:750 15:11 16:3
17:8 20:24 23:243 24:1801 27:1464 31:1151
32:54 33:2 34:5 36:27 37:1332 38:858
39:2 40:153 41:2733 42:176 44:4 46:1769
47:1 49:609 50:662 52:12 54:28 55:10
57:28 58:1084 59:569 60:295 61:1353 62:1036
63:2042 64:4280 65:2179 66:4232 67:2055 68:1122
69:3266 70:862 71:523 72:1893 74:2550 75:408
76:292 77:1083 78:1032 79:567 80:1229 81:971
82:615 83:557 84:558 85:1161 86:474 87:946
88:405 89:1763 90:262 91:5434 92:607 93:1738
94:2077 95:1579 96:497 97:334 98:1037 99:40
100:29 101:299 103:2254 105:517 106:131 107:207
108:511 109:1803 110:853 111:1024 112:493 113:759
114:688 115:917 116:879 117:800 118:997 119:1270
120:375 121:705 122:1734 123:1195 124:1317 125:1314
128:542 129:205 130:322 131:645 132:323 133:143
134:253 135:62 136:222 137:236 138:342 139:170
140:214 141:311 142:524 143:389 144:491 145:88
146:515 147:355 148:709 149:357 150:156 151:435
152:401 153:196 154:30 155:378 156:249 157:391
158:265 159:714 160:335 161:425 162:374 163:205
164:579 165:454 166:396 167:573 168:1012 169:131
170:925 171:168 172:4 173:1588 174:587 175:425
176:1133 177:1702 178:1776 179:1 180:1369 181:270
182:1199 183:337 184:659 185:273 186:2308 187:1298
188:1923 189:1500 190:6605 192:6397 193:5660 194:4511
195:3493 196:1306 197:898 198:4197 199:5250 200:6024
201:2213 202:8902 203:8744 204:4488 205:2545 206:2792
207:2792 208:4063 209:3524 210:2899 211:1559 212:2002
213:1957 214:886 215:97 216:5204 217:1579 218:603
219:329 220:1263 221:546 222:316 223:476
End of report
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