* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 03 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 452863
Prefixes after maximum aggregation: 185028
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 223445
Total ASes present in the Internet Routing Table: 43995
Prefixes per ASN: 10.29
Origin-only ASes present in the Internet Routing Table: 34570
Origin ASes announcing only one prefix: 16101
Transit ASes present in the Internet Routing Table: 5814
Transit-only ASes present in the Internet Routing Table: 147
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 39
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 316
Unregistered ASNs in the Routing Table: 132
Number of 32-bit ASNs allocated by the RIRs: 4752
Number of 32-bit ASNs visible in the Routing Table: 3611
Prefixes from 32-bit ASNs in the Routing Table: 10302
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 190
Number of addresses announced to Internet: 2616864224
Equivalent to 155 /8s, 250 /16s and 45 /24s
Percentage of available address space announced: 70.7
Percentage of allocated address space announced: 70.7
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: 159674
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108580
Total APNIC prefixes after maximum aggregation: 33441
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 109851
Unique aggregates announced from the APNIC address blocks: 44632
APNIC Region origin ASes present in the Internet Routing Table: 4840
APNIC Prefixes per ASN: 22.70
APNIC Region origin ASes announcing only one prefix: 1227
APNIC Region transit ASes present in the Internet Routing Table: 821
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 515
Number of APNIC addresses announced to Internet: 721091552
Equivalent to 42 /8s, 250 /16s and 251 /24s
Percentage of available APNIC address space announced: 84.3
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: 158999
Total ARIN prefixes after maximum aggregation: 80070
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 159628
Unique aggregates announced from the ARIN address blocks: 73169
ARIN Region origin ASes present in the Internet Routing Table: 15674
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 5968
ARIN Region transit ASes present in the Internet Routing Table: 1624
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 39
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1063410560
Equivalent to 63 /8s, 98 /16s and 91 /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, 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: 116719
Total RIPE prefixes after maximum aggregation: 59694
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120280
Unique aggregates announced from the RIPE address blocks: 77460
RIPE Region origin ASes present in the Internet Routing Table: 17156
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8146
RIPE Region transit ASes present in the Internet Routing Table: 2795
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: 2312
Number of RIPE addresses announced to Internet: 657238368
Equivalent to 39 /8s, 44 /16s and 169 /24s
Percentage of available RIPE address space announced: 95.5
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: 47619
Total LACNIC prefixes after maximum aggregation: 9256
LACNIC Deaggregation factor: 5.14
Prefixes being announced from the LACNIC address blocks: 51763
Unique aggregates announced from the LACNIC address blocks: 24161
LACNIC Region origin ASes present in the Internet Routing Table: 1914
LACNIC Prefixes per ASN: 27.04
LACNIC Region origin ASes announcing only one prefix: 565
LACNIC Region transit ASes present in the Internet Routing Table: 350
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 760
Number of LACNIC addresses announced to Internet: 128329760
Equivalent to 7 /8s, 166 /16s and 40 /24s
Percentage of available LACNIC address space announced: 76.5
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: 10560
Total AfriNIC prefixes after maximum aggregation: 2527
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 11151
Unique aggregates announced from the AfriNIC address blocks: 3848
AfriNIC Region origin ASes present in the Internet Routing Table: 626
AfriNIC Prefixes per ASN: 17.81
AfriNIC Region origin ASes announcing only one prefix: 195
AfriNIC Region transit ASes present in the Internet Routing Table: 134
Average AfriNIC Region AS path length visible: 4.7
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: 46420736
Equivalent to 2 /8s, 196 /16s and 83 /24s
Percentage of available AfriNIC address space announced: 46.1
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 2950 11558 922 Korea Telecom (KIX)
17974 2512 839 90 PT TELEKOMUNIKASI INDONESIA
7545 1897 320 109 TPG Internet Pty Ltd
4755 1726 390 190 TATA Communications formerly
9829 1504 1205 40 BSNL National Internet Backbo
9583 1285 98 533 Sify Limited
7552 1174 1064 12 Vietel Corporation
4808 1116 2109 327 CNCGROUP IP network: China169
9498 1098 310 73 BHARTI Airtel Ltd.
24560 1072 385 166 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 3031 3693 84 bellsouth.net, inc.
7029 2145 1265 211 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1990 677 124 PaeTec Communications, Inc.
22773 1970 2929 125 Cox Communications, Inc.
20115 1669 1610 613 Charter Communications
4323 1610 1139 399 Time Warner Telecom
30036 1333 297 658 Mediacom Communications Corp
7018 1313 10821 849 AT&T WorldNet Services
11492 1240 228 330 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 1746 544 16 Corbina telecom
2118 1390 97 13 EUnet/RELCOM Autonomous Syste
34984 1169 237 212 BILISIM TELEKOM
12479 841 785 66 Uni2 Autonomous System
13188 834 99 64 Educational Network
20940 827 289 654 Akamai Technologies European
31148 794 41 21 FreeNet ISP
6830 770 2376 443 UPC Distribution Services
8551 753 369 50 Bezeq International
34744 672 180 53 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 2683 1470 105 NET Servicos de Comunicao S.A
10620 2617 410 222 TVCABLE BOGOTA
7303 1689 1157 219 Telecom Argentina Stet-France
8151 1239 2698 393 UniNet S.A. de C.V.
6503 1013 435 68 AVANTEL, S.A.
18881 913 780 19 Global Village Telecom
27947 794 88 95 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
7738 698 1370 35 Telecomunicacoes da Bahia S.A
3816 697 306 85 Empresa Nacional de Telecomun
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 1021 80 4 MOBITEL
24863 887 274 34 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 417 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
36992 189 527 21 Etisalat MISR
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 3031 3693 84 bellsouth.net, inc.
4766 2950 11558 922 Korea Telecom (KIX)
28573 2683 1470 105 NET Servicos de Comunicao S.A
10620 2617 410 222 TVCABLE BOGOTA
17974 2512 839 90 PT TELEKOMUNIKASI INDONESIA
7029 2145 1265 211 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1990 677 124 PaeTec Communications, Inc.
22773 1970 2929 125 Cox Communications, Inc.
7545 1897 320 109 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
28573 2683 2578 NET Servicos de Comunicao S.A
17974 2512 2422 PT TELEKOMUNIKASI INDONESIA
10620 2617 2395 TVCABLE BOGOTA
4766 2950 2028 Korea Telecom (KIX)
7029 2145 1934 Windstream Communications Inc
18566 2067 1883 Covad Communications
1785 1990 1866 PaeTec Communications, Inc.
22773 1970 1845 Cox Communications, Inc.
7545 1897 1788 TPG Internet Pty Ltd
8402 1746 1730 Corbina telecom
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
128.0.52.0/24 60906 NETOPIA SRL
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.61.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.62.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.63.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.72.0/21 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 /8:16 /9:13 /10:29 /11:87 /12:250
/13:489 /14:887 /15:1567 /16:12691 /17:6632 /18:11117
/19:22104 /20:31995 /21:33970 /22:47220 /23:42049 /24:237719
/25:1363 /26:1757 /27:867 /28:12 /29:10 /30:4
/31:0 /32:15
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
6389 1738 3031 bellsouth.net, inc.
7029 1607 2145 Windstream Communications Inc
8402 1450 1746 Corbina telecom
22773 1280 1970 Cox Communications, Inc.
30036 1206 1333 Mediacom Communications Corp
11492 1199 1240 Cable One
1785 1061 1990 PaeTec Communications, Inc.
36998 1015 1021 MOBITEL
6983 1007 1133 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:781 2:750 3:3 4:15 5:878 6:5
8:553 12:1920 13:3 14:777 15:11 16:3
17:9 20:18 23:273 24:1760 27:1502 31:1267
32:43 33:2 34:5 36:44 37:1817 38:869
39:2 40:172 41:2749 42:187 44:6 46:1870
47:2 49:630 50:683 52:12 54:32 55:7
57:26 58:1135 59:568 60:307 61:1392 62:1077
63:2039 64:4322 65:2171 66:4307 67:2050 68:1130
69:3248 70:874 71:536 72:1951 74:2550 75:413
76:292 77:1105 78:1037 79:580 80:1263 81:980
82:621 83:557 84:526 85:1154 86:462 87:979
88:539 89:1787 90:280 91:5507 92:631 93:1724
94:1852 95:1521 96:526 97:342 98:1051 99:41
100:29 101:318 103:2526 105:463 106:144 107:209
108:523 109:1836 110:868 111:1049 112:508 113:784
114:703 115:937 116:896 117:787 118:1058 119:1253
120:402 121:721 122:1770 123:1235 124:1352 125:1335
128:631 129:223 130:323 131:653 132:339 133:149
134:252 135:66 136:222 137:249 138:346 139:196
140:207 141:323 142:549 143:389 144:491 145:92
146:506 147:389 148:691 149:371 150:158 151:566
152:415 153:195 154:43 155:401 156:265 157:402
158:276 159:724 160:339 161:424 162:413 163:211
164:590 165:450 166:304 167:583 168:1032 169:133
170:1028 171:178 172:4 173:1606 174:586 175:461
176:1271 177:1957 178:1827 179:5 180:1399 181:418
182:1138 183:384 184:671 185:399 186:2327 187:1306
188:2046 189:1352 190:6313 192:6565 193:5843 194:4661
195:3451 196:1341 197:806 198:4409 199:5288 200:5922
201:2405 202:8860 203:8804 204:4515 205:2560 206:2834
207:2876 208:4058 209:3614 210:2949 211:1554 212:2062
213:1906 214:911 215:98 216:5247 217:1562 218:619
219:330 220:1278 221:555 222:317 223:443
End of report
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