* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 03 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 433828
Prefixes after maximum aggregation: 180253
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 212898
Total ASes present in the Internet Routing Table: 42698
Prefixes per ASN: 10.16
Origin-only ASes present in the Internet Routing Table: 33847
Origin ASes announcing only one prefix: 15792
Transit ASes present in the Internet Routing Table: 5688
Transit-only ASes present in the Internet Routing Table: 138
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 41
Max AS path prepend of ASN ( 22394) 35
Prefixes from unregistered ASNs in the Routing Table: 1117
Unregistered ASNs in the Routing Table: 403
Number of 32-bit ASNs allocated by the RIRs: 3548
Number of 32-bit ASNs visible in the Routing Table: 3163
Prefixes from 32-bit ASNs in the Routing Table: 8528
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 141
Number of addresses announced to Internet: 2615545548
Equivalent to 155 /8s, 230 /16s and 14 /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: 94.0
Total number of prefixes smaller than registry allocations: 153088
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104819
Total APNIC prefixes after maximum aggregation: 32652
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 105683
Unique aggregates announced from the APNIC address blocks: 43222
APNIC Region origin ASes present in the Internet Routing Table: 4798
APNIC Prefixes per ASN: 22.03
APNIC Region origin ASes announcing only one prefix: 1241
APNIC Region transit ASes present in the Internet Routing Table: 789
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 375
Number of APNIC addresses announced to Internet: 715356416
Equivalent to 42 /8s, 163 /16s and 121 /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: 155190
Total ARIN prefixes after maximum aggregation: 78377
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155933
Unique aggregates announced from the ARIN address blocks: 69917
ARIN Region origin ASes present in the Internet Routing Table: 15307
ARIN Prefixes per ASN: 10.19
ARIN Region origin ASes announcing only one prefix: 5766
ARIN Region transit ASes present in the Internet Routing Table: 1594
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 41
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1087457664
Equivalent to 64 /8s, 209 /16s and 73 /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: 110921
Total RIPE prefixes after maximum aggregation: 57994
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 113778
Unique aggregates announced from the RIPE address blocks: 73209
RIPE Region origin ASes present in the Internet Routing Table: 16957
RIPE Prefixes per ASN: 6.71
RIPE Region origin ASes announcing only one prefix: 8118
RIPE Region transit ASes present in the Internet Routing Table: 2750
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2052
Number of RIPE addresses announced to Internet: 649341220
Equivalent to 38 /8s, 180 /16s and 41 /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: 44656
Total LACNIC prefixes after maximum aggregation: 8893
LACNIC Deaggregation factor: 5.02
Prefixes being announced from the LACNIC address blocks: 48116
Unique aggregates announced from the LACNIC address blocks: 22849
LACNIC Region origin ASes present in the Internet Routing Table: 1731
LACNIC Prefixes per ASN: 27.80
LACNIC Region origin ASes announcing only one prefix: 494
LACNIC Region transit ASes present in the Internet Routing Table: 329
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 712
Number of LACNIC addresses announced to Internet: 120125480
Equivalent to 7 /8s, 40 /16s and 248 /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: 9602
Total AfriNIC prefixes after maximum aggregation: 2284
AfriNIC Deaggregation factor: 4.20
Prefixes being announced from the AfriNIC address blocks: 10177
Unique aggregates announced from the AfriNIC address blocks: 3579
AfriNIC Region origin ASes present in the Internet Routing Table: 573
AfriNIC Prefixes per ASN: 17.76
AfriNIC Region origin ASes announcing only one prefix: 173
AfriNIC Region transit ASes present in the Internet Routing Table: 131
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 42971904
Equivalent to 2 /8s, 143 /16s and 179 /24s
Percentage of available AfriNIC address space announced: 42.7
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 2943 11557 900 Korea Telecom (KIX)
17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA
7545 1811 301 90 TPG Internet Pty Ltd
4755 1624 374 159 TATA Communications formerly
9829 1411 1155 42 BSNL National Internet Backbo
9583 1182 88 499 Sify Limited
7552 1141 1062 11 Vietel Corporation
4808 1126 2056 317 CNCGROUP IP network: China169
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 1033 310 75 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 3196 994 218 Windstream Communications Inc
6389 3145 3719 148 bellsouth.net, inc.
18566 2083 382 180 Covad Communications
22773 1939 2932 131 Cox Communications, Inc.
1785 1935 678 124 PaeTec Communications, Inc.
20115 1683 1605 625 Charter Communications
4323 1590 1153 394 Time Warner Telecom
30036 1361 280 751 Mediacom Communications Corp
7018 1275 10275 844 AT&T WorldNet Services
7011 1223 334 693 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 1747 544 16 Corbina telecom
12479 856 777 64 Uni2 Autonomous System
34984 849 210 215 BILISIM TELEKOM
2118 784 97 15 EUnet/RELCOM Autonomous Syste
13188 744 94 132 Educational Network
31148 738 38 13 FreeNet ISP
6830 717 2313 436 UPC Distribution Services
20940 705 227 545 Akamai Technologies European
58113 603 68 366 LIR DATACENTER TELECOM SRL
8551 602 367 39 Bezeq International
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 2137 1279 84 NET Servicos de Comunicao S.A
7303 1666 1138 200 Telecom Argentina Stet-France
8151 1601 3024 355 UniNet S.A. de C.V.
6503 1538 435 67 AVANTEL, S.A.
27947 755 77 92 Telconet S.A
3816 659 309 70 Empresa Nacional de Telecomun
11172 603 85 68 Servicios Alestra S.A de C.V
18881 596 716 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 872 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 538 958 13 TEDATA
6713 519 666 20 Itissalat Al-MAGHRIB
24835 289 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 182 697 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 3196 994 218 Windstream Communications Inc
6389 3145 3719 148 bellsouth.net, inc.
4766 2943 11557 900 Korea Telecom (KIX)
17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA
10620 2261 386 206 TVCABLE BOGOTA
28573 2137 1279 84 NET Servicos de Comunicao S.A
18566 2083 382 180 Covad Communications
22773 1939 2932 131 Cox Communications, Inc.
1785 1935 678 124 PaeTec Communications, Inc.
7545 1811 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 3145 2997 bellsouth.net, inc.
17974 2431 2385 PT TELEKOMUNIKASI INDONESIA
10620 2261 2055 TVCABLE BOGOTA
28573 2137 2053 NET Servicos de Comunicao S.A
4766 2943 2043 Korea Telecom (KIX)
18566 2083 1903 Covad Communications
1785 1935 1811 PaeTec Communications, Inc.
22773 1939 1808 Cox Communications, Inc.
8402 1747 1731 Corbina telecom
7545 1811 1721 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 /12:243
/13:477 /14:856 /15:1551 /16:12469 /17:6571 /18:10899
/19:21504 /20:30773 /21:32853 /22:43628 /23:40562 /24:227007
/25:1362 /26:1736 /27:885 /28:183 /29:79 /30:17
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2620 3196 Windstream Communications Inc
18566 2033 2083 Covad Communications
6389 1781 3145 bellsouth.net, inc.
8402 1457 1747 Corbina telecom
30036 1274 1361 Mediacom Communications Corp
22773 1273 1939 Cox Communications, Inc.
11492 1146 1181 Cable One
6503 1055 1538 AVANTEL, S.A.
1785 1021 1935 PaeTec Communications, Inc.
7011 958 1223 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:639 2:765 3:1 4:13 5:657 6:3
8:487 12:1952 13:3 14:700 15:11 16:3
17:6 20:27 23:219 24:1780 27:1416 31:1295
32:54 33:2 34:2 36:7 37:1057 38:844
39:2 40:140 41:2616 42:179 44:3 46:1700
47:3 49:507 50:619 52:12 54:27 55:6
57:28 58:1068 59:550 60:234 61:1283 62:1025
63:2020 64:4333 65:2201 66:4502 67:2094 68:1165
69:3238 70:927 71:557 72:1893 74:2621 75:479
76:299 77:988 78:1010 79:505 80:1213 81:975
82:630 83:539 84:529 85:1159 86:476 87:962
88:354 89:1751 90:305 91:5341 92:590 93:1575
94:2015 95:1231 96:408 97:323 98:969 99:38
100:31 101:286 103:1860 105:516 106:119 107:201
108:488 109:1671 110:812 111:971 112:461 113:734
114:642 115:900 116:883 117:777 118:966 119:1251
120:376 121:676 122:1730 123:1177 124:1324 125:1289
128:571 129:201 130:294 131:631 132:317 133:143
134:254 135:62 136:215 137:235 138:341 139:168
140:182 141:294 142:501 143:363 144:490 145:81
146:519 147:270 148:733 149:330 150:154 151:224
152:398 153:183 154:22 155:439 156:226 157:378
158:256 159:670 160:335 161:414 162:372 163:191
164:581 165:449 166:479 167:561 168:985 169:130
170:975 171:152 172:6 173:1705 174:642 175:458
176:888 177:1449 178:1682 180:1347 181:178 182:1117
183:304 184:623 185:107 186:2055 187:1434 188:1790
189:1607 190:6018 192:6066 193:5429 194:4392 195:3652
196:1236 197:268 198:3949 199:5127 200:6012 201:1962
202:8805 203:8733 204:4430 205:2548 206:2756 207:2800
208:4063 209:3654 210:2903 211:1530 212:2145 213:1867
214:887 215:74 216:5181 217:1605 218:589 219:311
220:1258 221:543 222:336 223:416
End of report
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