* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 11 Jun, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 455025
Prefixes after maximum aggregation: 185747
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 225773
Total ASes present in the Internet Routing Table: 44253
Prefixes per ASN: 10.28
Origin-only ASes present in the Internet Routing Table: 34678
Origin ASes announcing only one prefix: 16149
Transit ASes present in the Internet Routing Table: 5878
Transit-only ASes present in the Internet Routing Table: 145
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 55
Max AS path prepend of ASN ( 56484) 51
Prefixes from unregistered ASNs in the Routing Table: 623
Unregistered ASNs in the Routing Table: 231
Number of 32-bit ASNs allocated by the RIRs: 4787
Number of 32-bit ASNs visible in the Routing Table: 3697
Prefixes from 32-bit ASNs in the Routing Table: 10656
Special use prefixes present in the Routing Table: 26
Prefixes being announced from unallocated address space: 222
Number of addresses announced to Internet: 2624990116
Equivalent to 156 /8s, 118 /16s and 43 /24s
Percentage of available address space announced: 70.9
Percentage of allocated address space announced: 70.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.6
Total number of prefixes smaller than registry allocations: 159764
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109426
Total APNIC prefixes after maximum aggregation: 33499
APNIC Deaggregation factor: 3.27
Prefixes being announced from the APNIC address blocks: 110922
Unique aggregates announced from the APNIC address blocks: 45112
APNIC Region origin ASes present in the Internet Routing Table: 4852
APNIC Prefixes per ASN: 22.86
APNIC Region origin ASes announcing only one prefix: 1223
APNIC Region transit ASes present in the Internet Routing Table: 823
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 25
Number of APNIC region 32-bit ASNs visible in the Routing Table: 567
Number of APNIC addresses announced to Internet: 725053152
Equivalent to 43 /8s, 55 /16s and 110 /24s
Percentage of available APNIC address space announced: 84.7
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: 158715
Total ARIN prefixes after maximum aggregation: 80398
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 159294
Unique aggregates announced from the ARIN address blocks: 73817
ARIN Region origin ASes present in the Internet Routing Table: 15732
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5978
ARIN Region transit ASes present in the Internet Routing Table: 1651
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 19
Number of ARIN addresses announced to Internet: 1064609600
Equivalent to 63 /8s, 116 /16s and 167 /24s
Percentage of available ARIN address space announced: 56.3
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, 62464-63487, 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: 117163
Total RIPE prefixes after maximum aggregation: 59985
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 120720
Unique aggregates announced from the RIPE address blocks: 78004
RIPE Region origin ASes present in the Internet Routing Table: 17219
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8174
RIPE Region transit ASes present in the Internet Routing Table: 2824
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 54
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2352
Number of RIPE addresses announced to Internet: 656567140
Equivalent to 39 /8s, 34 /16s and 107 /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: 48083
Total LACNIC prefixes after maximum aggregation: 9325
LACNIC Deaggregation factor: 5.16
Prefixes being announced from the LACNIC address blocks: 52376
Unique aggregates announced from the LACNIC address blocks: 24762
LACNIC Region origin ASes present in the Internet Routing Table: 1948
LACNIC Prefixes per ASN: 26.89
LACNIC Region origin ASes announcing only one prefix: 586
LACNIC Region transit ASes present in the Internet Routing Table: 360
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 753
Number of LACNIC addresses announced to Internet: 131803424
Equivalent to 7 /8s, 219 /16s and 41 /24s
Percentage of available LACNIC address space announced: 78.6
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: 10884
Total AfriNIC prefixes after maximum aggregation: 2498
AfriNIC Deaggregation factor: 4.36
Prefixes being announced from the AfriNIC address blocks: 11491
Unique aggregates announced from the AfriNIC address blocks: 3873
AfriNIC Region origin ASes present in the Internet Routing Table: 631
AfriNIC Prefixes per ASN: 18.21
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 132
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46663424
Equivalent to 2 /8s, 200 /16s and 7 /24s
Percentage of available AfriNIC address space announced: 46.4
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 2959 11559 926 Korea Telecom (KIX)
17974 2527 855 91 PT TELEKOMUNIKASI INDONESIA
7545 1991 320 107 TPG Internet Pty Ltd
4755 1738 391 191 TATA Communications formerly
9829 1515 1205 40 BSNL National Internet Backbo
9583 1221 91 503 Sify Limited
7552 1162 1080 13 Vietel Corporation
4808 1143 2124 334 CNCGROUP IP network: China169
9498 1127 309 70 BHARTI Airtel Ltd.
24560 1077 394 164 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 3015 3691 75 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
1785 1990 677 122 PaeTec Communications, Inc.
22773 1989 2929 125 Cox Communications, Inc.
20115 1664 1616 617 Charter Communications
4323 1621 1138 404 Time Warner Telecom
701 1534 11075 841 UUNET Technologies, Inc.
30036 1331 297 640 Mediacom Communications Corp
7018 1300 11039 834 AT&T WorldNet Services
11492 1218 216 359 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 1728 544 16 Corbina telecom
34984 1273 244 222 BILISIM TELEKOM
2118 1069 97 13 EUnet/RELCOM Autonomous Syste
20940 892 312 700 Akamai Technologies European
13188 824 98 78 Educational Network
31148 796 40 23 FreeNet ISP
8551 773 370 43 Bezeq International
6830 767 2376 441 UPC Distribution Services
34744 676 173 59 SC GVM SISTEM 2003 SRL
12479 666 779 67 Uni2 Autonomous System
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 2797 1557 111 NET Servicos de Comunicao S.A
10620 2657 418 209 TVCABLE BOGOTA
7303 1732 1155 221 Telecom Argentina Stet-France
8151 1265 2712 403 UniNet S.A. de C.V.
18881 975 844 20 Global Village Telecom
6503 877 434 65 AVANTEL, S.A.
27947 838 89 106 Telconet S.A
3816 711 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
6147 665 374 25 Telefonica Del Peru
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 1237 80 4 MOBITEL
24863 887 274 32 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 448 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 261 922 218 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
29571 205 17 9 Ci Telecom Autonomous system
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
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 3015 3691 75 bellsouth.net, inc.
4766 2959 11559 926 Korea Telecom (KIX)
28573 2797 1557 111 NET Servicos de Comunicao S.A
10620 2657 418 209 TVCABLE BOGOTA
17974 2527 855 91 PT TELEKOMUNIKASI INDONESIA
18566 2065 382 184 Covad Communications
7545 1991 320 107 TPG Internet Pty Ltd
1785 1990 677 122 PaeTec Communications, Inc.
22773 1989 2929 125 Cox Communications, Inc.
4755 1738 391 191 TATA Communications formerly
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 2797 2686 NET Servicos de Comunicao S.A
10620 2657 2448 TVCABLE BOGOTA
17974 2527 2436 PT TELEKOMUNIKASI INDONESIA
4766 2959 2033 Korea Telecom (KIX)
7545 1991 1884 TPG Internet Pty Ltd
18566 2065 1881 Covad Communications
1785 1990 1868 PaeTec Communications, Inc.
22773 1989 1864 Cox Communications, Inc.
8402 1728 1712 Corbina telecom
4755 1738 1547 TATA Communications formerly
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
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.53.0/24 60993 Totalsoft SA
128.0.54.0/24 60972 Carpatair SA
128.0.55.0/24 48571 SC efectRO SRL
128.0.57.0/24 60993 Totalsoft SA
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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.
64.185.231.0/24 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 /8:16 /9:11 /10:30 /11:90 /12:250
/13:484 /14:901 /15:1601 /16:12710 /17:6655 /18:11175
/19:22189 /20:32027 /21:34309 /22:47435 /23:42210 /24:239027
/25:1301 /26:1641 /27:839 /28:39 /29:56 /30:12
/31:0 /32:17
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
6389 1732 3015 bellsouth.net, inc.
8402 1426 1728 Corbina telecom
22773 1296 1989 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1200 1331 Mediacom Communications Corp
11492 1180 1218 Cable One
1785 1062 1990 PaeTec Communications, Inc.
6983 1011 1138 ITC^Deltacom
10620 990 2657 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:815 2:837 3:3 4:20 5:777 6:11
8:559 12:1926 13:3 14:831 15:11 16:3
17:10 20:17 23:369 24:1769 27:1476 31:1321
32:57 33:2 34:5 36:32 37:1855 38:872
39:2 40:171 41:2809 42:194 44:6 46:1919
47:2 49:644 50:719 52:12 54:33 55:5
57:26 58:1164 59:573 60:314 61:1409 62:1126
63:2036 64:4319 65:2163 66:4192 67:2055 68:1077
69:3262 70:788 71:487 72:1916 74:2481 75:323
76:301 77:1133 78:1018 79:613 80:1273 81:1005
82:625 83:577 84:536 85:1164 86:452 87:994
88:537 89:1758 90:147 91:5536 92:592 93:1693
94:1864 95:1618 96:513 97:344 98:1002 99:42
100:30 101:321 103:2742 105:517 106:149 107:208
108:511 109:1821 110:897 111:1046 112:540 113:810
114:694 115:963 116:937 117:802 118:1089 119:1316
120:409 121:728 122:1793 123:1215 124:1362 125:1377
128:634 129:220 130:326 131:659 132:340 133:148
134:267 135:67 136:224 137:243 138:345 139:194
140:211 141:326 142:542 143:392 144:502 145:93
146:510 147:382 148:685 149:368 150:162 151:502
152:419 153:193 154:42 155:402 156:267 157:349
158:278 159:727 160:343 161:447 162:412 163:221
164:597 165:495 166:273 167:597 168:1024 169:130
170:1051 171:181 172:21 173:1586 174:539 175:471
176:981 177:2041 178:1861 179:29 180:1455 181:451
182:1217 183:385 184:693 185:523 186:2267 187:1282
188:2140 189:1236 190:6815 192:6654 193:5667 194:4589
195:3425 196:1354 197:908 198:4484 199:5327 200:5975
201:2240 202:8819 203:8895 204:4497 205:2584 206:2801
207:2848 208:4055 209:3614 210:2968 211:1507 212:2186
213:1977 214:925 215:98 216:5232 217:1623 218:619
219:348 220:1269 221:558 222:321 223:455
End of report
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