* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 28 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 433341
Prefixes after maximum aggregation: 180309
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 212851
Total ASes present in the Internet Routing Table: 42692
Prefixes per ASN: 10.15
Origin-only ASes present in the Internet Routing Table: 33847
Origin ASes announcing only one prefix: 15800
Transit ASes present in the Internet Routing Table: 5699
Transit-only ASes present in the Internet Routing Table: 144
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 1093
Unregistered ASNs in the Routing Table: 399
Number of 32-bit ASNs allocated by the RIRs: 3528
Number of 32-bit ASNs visible in the Routing Table: 3146
Prefixes from 32-bit ASNs in the Routing Table: 8514
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 149
Number of addresses announced to Internet: 2615211716
Equivalent to 155 /8s, 224 /16s and 246 /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: 93.9
Total number of prefixes smaller than registry allocations: 152557
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104768
Total APNIC prefixes after maximum aggregation: 32654
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 105625
Unique aggregates announced from the APNIC address blocks: 43295
APNIC Region origin ASes present in the Internet Routing Table: 4802
APNIC Prefixes per ASN: 22.00
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 784
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 371
Number of APNIC addresses announced to Internet: 715220224
Equivalent to 42 /8s, 161 /16s and 101 /24s
Percentage of available APNIC address space announced: 83.6
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: 155596
Total ARIN prefixes after maximum aggregation: 78567
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156352
Unique aggregates announced from the ARIN address blocks: 70142
ARIN Region origin ASes present in the Internet Routing Table: 15308
ARIN Prefixes per ASN: 10.21
ARIN Region origin ASes announcing only one prefix: 5776
ARIN Region transit ASes present in the Internet Routing Table: 1598
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1087303296
Equivalent to 64 /8s, 206 /16s and 238 /24s
Percentage of available ARIN address space announced: 57.5
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: 110431
Total RIPE prefixes after maximum aggregation: 57941
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 113268
Unique aggregates announced from the RIPE address blocks: 72986
RIPE Region origin ASes present in the Internet Routing Table: 16966
RIPE Prefixes per ASN: 6.68
RIPE Region origin ASes announcing only one prefix: 8117
RIPE Region transit ASes present in the Internet Routing Table: 2757
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2040
Number of RIPE addresses announced to Internet: 649251364
Equivalent to 38 /8s, 178 /16s and 202 /24s
Percentage of available RIPE address space announced: 94.4
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, 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: 44340
Total LACNIC prefixes after maximum aggregation: 8818
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 47840
Unique aggregates announced from the LACNIC address blocks: 22785
LACNIC Region origin ASes present in the Internet Routing Table: 1717
LACNIC Prefixes per ASN: 27.86
LACNIC Region origin ASes announcing only one prefix: 490
LACNIC Region transit ASes present in the Internet Routing Table: 331
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 712
Number of LACNIC addresses announced to Internet: 120095008
Equivalent to 7 /8s, 40 /16s and 129 /24s
Percentage of available LACNIC address space announced: 71.6
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: 9580
Total AfriNIC prefixes after maximum aggregation: 2276
AfriNIC Deaggregation factor: 4.21
Prefixes being announced from the AfriNIC address blocks: 10107
Unique aggregates announced from the AfriNIC address blocks: 3513
AfriNIC Region origin ASes present in the Internet Routing Table: 578
AfriNIC Prefixes per ASN: 17.49
AfriNIC Region origin ASes announcing only one prefix: 175
AfriNIC Region transit ASes present in the Internet Routing Table: 132
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 43035904
Equivalent to 2 /8s, 144 /16s and 173 /24s
Percentage of available AfriNIC address space announced: 42.8
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 2944 11557 900 Korea Telecom (KIX)
17974 2430 826 46 PT TELEKOMUNIKASI INDONESIA
7545 1804 301 90 TPG Internet Pty Ltd
4755 1624 374 159 TATA Communications formerly
9829 1411 1155 42 BSNL National Internet Backbo
9583 1181 88 498 Sify Limited
7552 1141 1062 11 Vietel Corporation
4808 1126 2056 317 CNCGROUP IP network: China169
24560 1040 385 165 Bharti Airtel Ltd., Telemedia
9498 1029 310 74 BHARTI Airtel Ltd.
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
7029 3255 995 237 Windstream Communications Inc
6389 3149 3720 149 bellsouth.net, inc.
18566 2083 382 180 Covad Communications
22773 1935 2931 129 Cox Communications, Inc.
1785 1932 678 126 PaeTec Communications, Inc.
20115 1684 1607 625 Charter Communications
4323 1586 1153 393 Time Warner Telecom
30036 1374 282 744 Mediacom Communications Corp
7018 1283 10276 850 AT&T WorldNet Services
7011 1222 334 692 Citizens Utilities
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 1775 544 16 Corbina telecom
12479 857 777 64 Uni2 Autonomous System
34984 849 210 214 BILISIM TELEKOM
13188 740 94 130 Educational Network
31148 732 37 9 FreeNet ISP
6830 716 2313 435 UPC Distribution Services
20940 710 228 548 Akamai Technologies European
8551 603 367 39 Bezeq International
58113 603 68 366 LIR DATACENTER TELECOM SRL
2118 560 97 15 EUnet/RELCOM Autonomous Syste
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
10620 2261 386 206 TVCABLE BOGOTA
28573 2182 1285 66 NET Servicos de Comunicao S.A
7303 1668 1138 201 Telecom Argentina Stet-France
6503 1535 435 67 AVANTEL, S.A.
8151 1478 3038 354 UniNet S.A. de C.V.
27947 735 77 93 Telconet S.A
3816 660 309 70 Empresa Nacional de Telecomun
11172 603 85 68 Servicios Alestra S.A de C.V
18881 595 716 18 Global Village Telecom
7738 579 1178 33 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
24863 871 274 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
6713 519 666 20 Itissalat Al-MAGHRIB
8452 514 958 13 TEDATA
24835 289 80 8 RAYA Telecom - Egypt
3741 268 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 169 697 88 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
7029 3255 995 237 Windstream Communications Inc
6389 3149 3720 149 bellsouth.net, inc.
4766 2944 11557 900 Korea Telecom (KIX)
17974 2430 826 46 PT TELEKOMUNIKASI INDONESIA
10620 2261 386 206 TVCABLE BOGOTA
28573 2182 1285 66 NET Servicos de Comunicao S.A
18566 2083 382 180 Covad Communications
22773 1935 2931 129 Cox Communications, Inc.
1785 1932 678 126 PaeTec Communications, Inc.
7545 1804 301 90 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
6389 3149 3000 bellsouth.net, inc.
17974 2430 2384 PT TELEKOMUNIKASI INDONESIA
28573 2182 2116 NET Servicos de Comunicao S.A
10620 2261 2055 TVCABLE BOGOTA
4766 2944 2044 Korea Telecom (KIX)
18566 2083 1903 Covad Communications
22773 1935 1806 Cox Communications, Inc.
1785 1932 1806 PaeTec Communications, Inc.
8402 1775 1759 Corbina telecom
7545 1804 1714 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
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom
61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication
61395 UNALLOCATED 5.83.56.0/22 3292 TDC Tele Danmark
59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D
59395 UNALLOCATED 5.133.16.0/21 3549 Global Crossing
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59521 UNALLOCATED 5.134.192.0/21 29518 Labs2
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
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
128.0.24.0/21 41794 Altline LLC
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.106.0/24 23456 32-bit ASN transition
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.112.114.0/24 23884 Proimage Engineering and Comm
41.222.80.0/21 37110 Moztel LDA
41.223.108.0/22 36966 >>UNKNOWN<<
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
64.66.32.0/20 18864 >>UNKNOWN<<
64.187.208.0/24 174 Cogent Communications
64.187.209.0/24 23005 Power Pulse
65.111.1.0/24 32258 SDN Global
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 /8:18 /9:13 /10:29 /11:88 /12:242
/13:478 /14:858 /15:1553 /16:12449 /17:6559 /18:10885
/19:21459 /20:30787 /21:32833 /22:43625 /23:40556 /24:226874
/25:1364 /26:1713 /27:893 /28:17 /29:22 /30:5
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2640 3255 Windstream Communications Inc
18566 2033 2083 Covad Communications
6389 1781 3149 bellsouth.net, inc.
8402 1491 1775 Corbina telecom
30036 1287 1374 Mediacom Communications Corp
22773 1273 1935 Cox Communications, Inc.
11492 1146 1181 Cable One
6503 1054 1535 AVANTEL, S.A.
1785 1017 1932 PaeTec Communications, Inc.
7011 957 1222 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:653 2:760 3:1 4:13 5:658 6:3
8:489 12:1957 13:3 14:700 15:11 16:3
17:6 20:27 23:212 24:1775 27:1415 31:1285
32:54 33:2 34:2 36:7 37:1055 38:844
39:2 40:140 41:2608 42:179 44:3 46:1679
47:2 49:508 50:620 52:12 54:27 55:4
57:28 58:1064 59:550 60:234 61:1288 62:1031
63:2024 64:4336 65:2199 66:4508 67:2097 68:1164
69:3233 70:927 71:556 72:1893 74:2618 75:484
76:299 77:984 78:1018 79:503 80:1226 81:986
82:623 83:540 84:529 85:1161 86:475 87:956
88:355 89:1750 90:305 91:5357 92:588 93:1563
94:1821 95:1407 96:408 97:324 98:972 99:40
100:31 101:295 103:1854 105:516 106:119 107:203
108:482 109:1662 110:812 111:974 112:459 113:738
114:652 115:900 116:887 117:777 118:961 119:1251
120:367 121:677 122:1736 123:1177 124:1325 125:1291
128:563 129:201 130:294 131:663 132:316 133:143
134:254 135:62 136:215 137:239 138:340 139:174
140:504 141:292 142:498 143:357 144:485 145:86
146:525 147:270 148:738 149:331 150:154 151:216
152:398 153:183 154:22 155:436 156:227 157:374
158:279 159:672 160:337 161:417 162:370 163:192
164:581 165:453 166:479 167:561 168:979 169:130
170:971 171:149 172:6 173:1712 174:630 175:458
176:746 177:1424 178:1678 180:1357 181:178 182:1115
183:302 184:638 185:98 186:2067 187:1425 188:1778
189:1598 190:5958 192:6056 193:5424 194:4244 195:3583
196:1235 197:274 198:3957 199:5117 200:5980 201:1980
202:8821 203:8715 204:4443 205:2553 206:2772 207:2811
208:4079 209:3641 210:2881 211:1529 212:2128 213:1866
214:894 215:74 216:5188 217:1600 218:587 219:310
220:1259 221:533 222:336 223:417
End of report
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