* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 10 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 449342
Prefixes after maximum aggregation: 184081
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 221804
Total ASes present in the Internet Routing Table: 43764
Prefixes per ASN: 10.27
Origin-only ASes present in the Internet Routing Table: 34431
Origin ASes announcing only one prefix: 16056
Transit ASes present in the Internet Routing Table: 5786
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 373
Unregistered ASNs in the Routing Table: 139
Number of 32-bit ASNs allocated by the RIRs: 4704
Number of 32-bit ASNs visible in the Routing Table: 3547
Prefixes from 32-bit ASNs in the Routing Table: 10305
Special use prefixes present in the Routing Table: 18
Prefixes being announced from unallocated address space: 231
Number of addresses announced to Internet: 2629336172
Equivalent to 156 /8s, 184 /16s and 124 /24s
Percentage of available address space announced: 71.0
Percentage of allocated address space announced: 71.0
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: 158815
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107939
Total APNIC prefixes after maximum aggregation: 33347
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 109153
Unique aggregates announced from the APNIC address blocks: 44459
APNIC Region origin ASes present in the Internet Routing Table: 4821
APNIC Prefixes per ASN: 22.64
APNIC Region origin ASes announcing only one prefix: 1222
APNIC Region transit ASes present in the Internet Routing Table: 819
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: 491
Number of APNIC addresses announced to Internet: 720639200
Equivalent to 42 /8s, 244 /16s and 20 /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: 157636
Total ARIN prefixes after maximum aggregation: 79557
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158319
Unique aggregates announced from the ARIN address blocks: 72418
ARIN Region origin ASes present in the Internet Routing Table: 15608
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5935
ARIN Region transit ASes present in the Internet Routing Table: 1611
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: 1079196288
Equivalent to 64 /8s, 83 /16s and 58 /24s
Percentage of available ARIN address space announced: 57.1
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: 115620
Total RIPE prefixes after maximum aggregation: 59283
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 119358
Unique aggregates announced from the RIPE address blocks: 76799
RIPE Region origin ASes present in the Internet Routing Table: 17127
RIPE Prefixes per ASN: 6.97
RIPE Region origin ASes announcing only one prefix: 8159
RIPE Region transit ASes present in the Internet Routing Table: 2798
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: 2279
Number of RIPE addresses announced to Internet: 656293092
Equivalent to 39 /8s, 30 /16s and 60 /24s
Percentage of available RIPE address space announced: 95.4
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: 47597
Total LACNIC prefixes after maximum aggregation: 9368
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 51558
Unique aggregates announced from the LACNIC address blocks: 24061
LACNIC Region origin ASes present in the Internet Routing Table: 1883
LACNIC Prefixes per ASN: 27.38
LACNIC Region origin ASes announcing only one prefix: 553
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: 752
Number of LACNIC addresses announced to Internet: 126438184
Equivalent to 7 /8s, 137 /16s and 75 /24s
Percentage of available LACNIC address space announced: 75.4
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: 10113
Total AfriNIC prefixes after maximum aggregation: 2478
AfriNIC Deaggregation factor: 4.08
Prefixes being announced from the AfriNIC address blocks: 10723
Unique aggregates announced from the AfriNIC address blocks: 3851
AfriNIC Region origin ASes present in the Internet Routing Table: 613
AfriNIC Prefixes per ASN: 17.49
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 127
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: 46300928
Equivalent to 2 /8s, 194 /16s and 127 /24s
Percentage of available AfriNIC address space announced: 46.0
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 11558 924 Korea Telecom (KIX)
17974 2510 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1868 302 95 TPG Internet Pty Ltd
4755 1732 392 198 TATA Communications formerly
9829 1509 1205 40 BSNL National Internet Backbo
9583 1279 97 536 Sify Limited
7552 1137 1066 12 Vietel Corporation
4808 1121 2109 325 CNCGROUP IP network: China169
9498 1067 310 73 BHARTI Airtel Ltd.
24560 1067 385 164 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 3038 3694 88 bellsouth.net, inc.
7029 2173 1265 212 Windstream Communications Inc
18566 2068 382 184 Covad Communications
22773 2011 2929 125 Cox Communications, Inc.
1785 1975 677 123 PaeTec Communications, Inc.
20115 1668 1610 610 Charter Communications
4323 1607 1139 397 Time Warner Telecom
30036 1338 296 656 Mediacom Communications Corp
7018 1317 10808 858 AT&T WorldNet Services
11492 1216 223 331 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 1872 544 16 Corbina telecom
34984 1137 234 207 BILISIM TELEKOM
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
12479 844 786 66 Uni2 Autonomous System
13188 836 99 36 Educational Network
20940 817 285 649 Akamai Technologies European
31148 792 41 21 FreeNet ISP
6830 752 2318 442 UPC Distribution Services
8551 737 367 61 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 2567 1428 98 NET Servicos de Comunicao S.A
10620 2360 409 223 TVCABLE BOGOTA
7303 1674 1153 211 Telecom Argentina Stet-France
8151 1227 2682 399 UniNet S.A. de C.V.
6503 1139 435 68 AVANTEL, S.A.
14754 1138 153 37 Telgua S. A.
18881 850 716 18 Global Village Telecom
27947 806 88 94 Telconet S.A
3816 695 306 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 1137 80 4 MOBITEL
24863 679 274 33 LINKdotNET AS number
6713 541 617 25 Itissalat Al-MAGHRIB
8452 359 956 9 TEDATA
24835 276 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 187 698 88 MTN Network Solutions
33776 182 12 19 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 3038 3694 88 bellsouth.net, inc.
4766 2956 11558 924 Korea Telecom (KIX)
28573 2567 1428 98 NET Servicos de Comunicao S.A
17974 2510 840 86 PT TELEKOMUNIKASI INDONESIA
10620 2360 409 223 TVCABLE BOGOTA
7029 2173 1265 212 Windstream Communications Inc
18566 2068 382 184 Covad Communications
22773 2011 2929 125 Cox Communications, Inc.
1785 1975 677 123 PaeTec Communications, Inc.
8402 1872 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
28573 2567 2469 NET Servicos de Comunicao S.A
17974 2510 2424 PT TELEKOMUNIKASI INDONESIA
10620 2360 2137 TVCABLE BOGOTA
4766 2956 2032 Korea Telecom (KIX)
7029 2173 1961 Windstream Communications Inc
22773 2011 1886 Cox Communications, Inc.
18566 2068 1884 Covad Communications
8402 1872 1856 Corbina telecom
1785 1975 1852 PaeTec Communications, Inc.
7545 1868 1773 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 /12:248
/13:485 /14:885 /15:1560 /16:12684 /17:6614 /18:10916
/19:21805 /20:31868 /21:33733 /22:46517 /23:41725 /24:235986
/25:1389 /26:1770 /27:862 /28:45 /29:66 /30:18
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2019 2068 Covad Communications
6389 1742 3038 bellsouth.net, inc.
7029 1612 2173 Windstream Communications Inc
8402 1570 1872 Corbina telecom
22773 1316 2011 Cox Communications, Inc.
30036 1215 1338 Mediacom Communications Corp
11492 1178 1216 Cable One
36998 1131 1137 MOBITEL
1785 1047 1975 PaeTec Communications, Inc.
6983 931 1045 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:763 2:798 3:3 4:13 5:843 6:4
8:521 12:1917 13:3 14:772 15:11 16:3
17:9 20:19 23:255 24:1774 27:1444 31:1193
32:42 33:2 34:5 36:41 37:1672 38:861
39:2 40:164 41:2671 42:185 44:6 46:1776
47:2 49:623 50:678 52:12 54:29 55:10
57:27 58:1106 59:586 60:304 61:1449 62:998
63:2039 64:4286 65:2182 66:4291 67:2064 68:1118
69:3247 70:874 71:527 72:1900 74:2557 75:411
76:289 77:1095 78:1045 79:585 80:1230 81:975
82:613 83:574 84:572 85:1155 86:463 87:962
88:526 89:1772 90:281 91:5471 92:616 93:1702
94:1873 95:1572 96:503 97:340 98:1049 99:41
100:29 101:310 103:2387 105:486 106:127 107:207
108:515 109:1813 110:860 111:1046 112:498 113:769
114:690 115:1013 116:879 117:782 118:1012 119:1262
120:383 121:816 122:1732 123:1188 124:1333 125:1324
128:632 129:225 130:332 131:656 132:330 133:148
134:258 135:62 136:221 137:247 138:344 139:185
140:199 141:316 142:542 143:373 144:489 145:91
146:508 147:380 148:698 149:364 150:163 151:524
152:416 153:194 154:44 155:387 156:259 157:392
158:271 159:714 160:335 161:424 162:380 163:202
164:578 165:450 166:333 167:578 168:1017 169:132
170:1024 171:173 172:4 173:1592 174:579 175:445
176:1157 177:1830 178:2034 179:2 180:1386 181:372
182:1128 183:381 184:661 185:344 186:2450 187:1254
188:1992 189:1359 190:6651 192:6486 193:5663 194:4516
195:3471 196:1334 197:809 198:4323 199:5284 200:6029
201:2261 202:8846 203:8782 204:4512 205:2563 206:2801
207:2828 208:4066 209:3549 210:2923 211:1567 212:2014
213:1940 214:940 215:98 216:5195 217:1571 218:624
219:347 220:1271 221:545 222:315 223:445
End of report
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