Routing Table Report 04:00 +10GMT Fri 31 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 455203
Prefixes after maximum aggregation: 185340
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 224860
Total ASes present in the Internet Routing Table: 44207
Prefixes per ASN: 10.30
Origin-only ASes present in the Internet Routing Table: 34670
Origin ASes announcing only one prefix: 16136
Transit ASes present in the Internet Routing Table: 5853
Transit-only ASes present in the Internet Routing Table: 148
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 54
Max AS path prepend of ASN ( 56484) 51
Prefixes from unregistered ASNs in the Routing Table: 316
Unregistered ASNs in the Routing Table: 130
Number of 32-bit ASNs allocated by the RIRs: 4780
Number of 32-bit ASNs visible in the Routing Table: 3684
Prefixes from 32-bit ASNs in the Routing Table: 10517
Special use prefixes present in the Routing Table: 26
Prefixes being announced from unallocated address space: 244
Number of addresses announced to Internet: 2619815596
Equivalent to 156 /8s, 39 /16s and 54 /24s
Percentage of available address space announced: 70.8
Percentage of allocated address space announced: 70.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.5
Total number of prefixes smaller than registry allocations: 160232
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109303
Total APNIC prefixes after maximum aggregation: 33542
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 110749
Unique aggregates announced from the APNIC address blocks: 45093
APNIC Region origin ASes present in the Internet Routing Table: 4849
APNIC Prefixes per ASN: 22.84
APNIC Region origin ASes announcing only one prefix: 1216
APNIC Region transit ASes present in the Internet Routing Table: 826
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 549
Number of APNIC addresses announced to Internet: 722466528
Equivalent to 43 /8s, 15 /16s and 246 /24s
Percentage of available APNIC address space announced: 84.4
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: 159626
Total ARIN prefixes after maximum aggregation: 80074
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 160178
Unique aggregates announced from the ARIN address blocks: 73382
ARIN Region origin ASes present in the Internet Routing Table: 15714
ARIN Prefixes per ASN: 10.19
ARIN Region origin ASes announcing only one prefix: 5978
ARIN Region transit ASes present in the Internet Routing Table: 1633
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: 19
Number of ARIN addresses announced to Internet: 1063555392
Equivalent to 63 /8s, 100 /16s and 145 /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: 117043
Total RIPE prefixes after maximum aggregation: 59871
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 120582
Unique aggregates announced from the RIPE address blocks: 77882
RIPE Region origin ASes present in the Internet Routing Table: 17214
RIPE Prefixes per ASN: 7.00
RIPE Region origin ASes announcing only one prefix: 8177
RIPE Region transit ASes present in the Internet Routing Table: 2821
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: 2349
Number of RIPE addresses announced to Internet: 656656740
Equivalent to 39 /8s, 35 /16s and 201 /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: 47775
Total LACNIC prefixes after maximum aggregation: 9286
LACNIC Deaggregation factor: 5.14
Prefixes being announced from the LACNIC address blocks: 52001
Unique aggregates announced from the LACNIC address blocks: 24377
LACNIC Region origin ASes present in the Internet Routing Table: 1941
LACNIC Prefixes per ASN: 26.79
LACNIC Region origin ASes announcing only one prefix: 578
LACNIC Region transit ASes present in the Internet Routing Table: 354
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: 761
Number of LACNIC addresses announced to Internet: 130281768
Equivalent to 7 /8s, 195 /16s and 241 /24s
Percentage of available LACNIC address space announced: 77.7
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: 10851
Total AfriNIC prefixes after maximum aggregation: 2527
AfriNIC Deaggregation factor: 4.29
Prefixes being announced from the AfriNIC address blocks: 11449
Unique aggregates announced from the AfriNIC address blocks: 3899
AfriNIC Region origin ASes present in the Internet Routing Table: 630
AfriNIC Prefixes per ASN: 18.17
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 133
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: 46559232
Equivalent to 2 /8s, 198 /16s and 112 /24s
Percentage of available AfriNIC address space announced: 46.3
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 2960 11559 926 Korea Telecom (KIX)
17974 2518 839 86 PT TELEKOMUNIKASI INDONESIA
7545 1983 320 108 TPG Internet Pty Ltd
4755 1733 391 192 TATA Communications formerly
9829 1514 1205 40 BSNL National Internet Backbo
9583 1220 91 503 Sify Limited
7552 1152 1080 13 Vietel Corporation
4808 1135 2113 331 CNCGROUP IP network: China169
9498 1118 309 70 BHARTI Airtel Ltd.
24560 1076 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 3016 3692 78 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
1785 1991 677 123 PaeTec Communications, Inc.
22773 1982 2929 125 Cox Communications, Inc.
7029 1965 1265 211 Windstream Communications Inc
20115 1671 1611 611 Charter Communications
4323 1608 1138 399 Time Warner Telecom
701 1590 11075 843 UUNET Technologies, Inc.
30036 1330 297 640 Mediacom Communications Corp
7018 1303 11058 834 AT&T WorldNet Services
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 1788 544 16 Corbina telecom
2118 1260 97 13 EUnet/RELCOM Autonomous Syste
34984 1212 240 227 BILISIM TELEKOM
20940 880 311 692 Akamai Technologies European
13188 827 98 73 Educational Network
31148 811 40 24 FreeNet ISP
8551 773 370 43 Bezeq International
6830 771 2377 444 UPC Distribution Services
34744 684 173 59 SC GVM SISTEM 2003 SRL
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 2778 1535 112 NET Servicos de Comunicao S.A
10620 2633 414 231 TVCABLE BOGOTA
7303 1726 1154 222 Telecom Argentina Stet-France
8151 1270 2710 405 UniNet S.A. de C.V.
18881 958 780 19 Global Village Telecom
6503 926 434 65 AVANTEL, S.A.
27947 838 89 102 Telconet S.A
3816 710 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 608 87 64 Servicios Alestra S.A de C.V
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 892 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 437 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 261 906 220 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 22 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 3016 3692 78 bellsouth.net, inc.
4766 2960 11559 926 Korea Telecom (KIX)
28573 2778 1535 112 NET Servicos de Comunicao S.A
10620 2633 414 231 TVCABLE BOGOTA
17974 2518 839 86 PT TELEKOMUNIKASI INDONESIA
18566 2065 382 184 Covad Communications
1785 1991 677 123 PaeTec Communications, Inc.
7545 1983 320 108 TPG Internet Pty Ltd
22773 1982 2929 125 Cox Communications, Inc.
7029 1965 1265 211 Windstream Communications Inc
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 2778 2666 NET Servicos de Comunicao S.A
17974 2518 2432 PT TELEKOMUNIKASI INDONESIA
10620 2633 2402 TVCABLE BOGOTA
4766 2960 2034 Korea Telecom (KIX)
18566 2065 1881 Covad Communications
7545 1983 1875 TPG Internet Pty Ltd
1785 1991 1868 PaeTec Communications, Inc.
22773 1982 1857 Cox Communications, Inc.
8402 1788 1772 Corbina telecom
7029 1965 1754 Windstream Communications Inc
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 /11:88 /12:249
/13:483 /14:898 /15:1593 /16:12686 /17:6659 /18:11172
/19:22186 /20:32038 /21:34229 /22:47452 /23:42406 /24:239031
/25:1313 /26:1663 /27:852 /28:46 /29:64 /30:18
/31:0 /32:20
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
6389 1732 3016 bellsouth.net, inc.
7029 1523 1965 Windstream Communications Inc
8402 1480 1788 Corbina telecom
22773 1289 1982 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1200 1330 Mediacom Communications Corp
11492 1194 1233 Cable One
1785 1062 1991 PaeTec Communications, Inc.
6983 1008 1135 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:811 2:805 3:3 4:15 5:759 6:9
8:556 12:1925 13:3 14:827 15:11 16:3
17:9 20:17 23:273 24:1769 27:1479 31:1307
32:57 33:2 34:5 36:28 37:1867 38:877
39:2 40:172 41:2795 42:192 44:6 46:1927
47:2 49:654 50:710 52:12 54:33 55:8
57:26 58:1174 59:568 60:313 61:1405 62:1113
63:2032 64:4342 65:2178 66:4376 67:2062 68:1124
69:3306 70:880 71:566 72:1922 74:2564 75:408
76:306 77:1112 78:1034 79:615 80:1261 81:1002
82:623 83:571 84:534 85:1161 86:456 87:985
88:534 89:1727 90:146 91:5490 92:593 93:1719
94:1827 95:1493 96:516 97:344 98:1027 99:41
100:30 101:326 103:2651 105:519 106:150 107:209
108:515 109:1826 110:888 111:1035 112:531 113:799
114:712 115:953 116:919 117:796 118:1083 119:1302
120:405 121:725 122:1798 123:1213 124:1351 125:1354
128:645 129:222 130:325 131:640 132:346 133:148
134:266 135:66 136:222 137:262 138:346 139:186
140:207 141:327 142:542 143:370 144:497 145:93
146:504 147:392 148:682 149:367 150:159 151:567
152:413 153:193 154:40 155:396 156:264 157:397
158:277 159:728 160:337 161:431 162:431 163:220
164:597 165:495 166:285 167:593 168:1027 169:129
170:1030 171:181 172:21 173:1662 174:605 175:479
176:1108 177:1991 178:1852 179:13 180:1450 181:433
182:1207 183:389 184:670 185:482 186:2257 187:1301
188:2144 189:1317 190:6382 192:6644 193:5868 194:4594
195:3426 196:1360 197:907 198:4462 199:5310 200:5935
201:2263 202:8850 203:8873 204:4501 205:2563 206:2810
207:2880 208:4048 209:3647 210:2973 211:1511 212:2195
213:1925 214:917 215:98 216:5231 217:1602 218:617
219:331 220:1260 221:558 222:318 223:450
End of report