Routing Table Report 04:00 +10GMT Wed 24 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 460039
Prefixes after maximum aggregation: 186982
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 228826
Total ASes present in the Internet Routing Table: 44568
Prefixes per ASN: 10.32
Origin-only ASes present in the Internet Routing Table: 34879
Origin ASes announcing only one prefix: 16188
Transit ASes present in the Internet Routing Table: 5895
Transit-only ASes present in the Internet Routing Table: 148
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 3569
Unregistered ASNs in the Routing Table: 1417
Number of 32-bit ASNs allocated by the RIRs: 4891
Number of 32-bit ASNs visible in the Routing Table: 3794
Prefixes from 32-bit ASNs in the Routing Table: 11400
Special use prefixes present in the Routing Table: 27
Prefixes being announced from unallocated address space: 263
Number of addresses announced to Internet: 2630766636
Equivalent to 156 /8s, 206 /16s and 80 /24s
Percentage of available address space announced: 71.1
Percentage of allocated address space announced: 71.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.7
Total number of prefixes smaller than registry allocations: 160842
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110384
Total APNIC prefixes after maximum aggregation: 33862
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 112361
Unique aggregates announced from the APNIC address blocks: 46249
APNIC Region origin ASes present in the Internet Routing Table: 4865
APNIC Prefixes per ASN: 23.10
APNIC Region origin ASes announcing only one prefix: 1221
APNIC Region transit ASes present in the Internet Routing Table: 828
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 606
Number of APNIC addresses announced to Internet: 726193888
Equivalent to 43 /8s, 72 /16s and 214 /24s
Percentage of available APNIC address space announced: 84.9
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: 159618
Total ARIN prefixes after maximum aggregation: 80710
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 160216
Unique aggregates announced from the ARIN address blocks: 74241
ARIN Region origin ASes present in the Internet Routing Table: 15797
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5999
ARIN Region transit ASes present in the Internet Routing Table: 1648
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: 1068145472
Equivalent to 63 /8s, 170 /16s and 155 /24s
Percentage of available ARIN address space announced: 56.5
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, 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: 118438
Total RIPE prefixes after maximum aggregation: 60309
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 121964
Unique aggregates announced from the RIPE address blocks: 78763
RIPE Region origin ASes present in the Internet Routing Table: 17309
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8201
RIPE Region transit ASes present in the Internet Routing Table: 2830
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: 2376
Number of RIPE addresses announced to Internet: 656252644
Equivalent to 39 /8s, 29 /16s and 158 /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: 49095
Total LACNIC prefixes after maximum aggregation: 9521
LACNIC Deaggregation factor: 5.16
Prefixes being announced from the LACNIC address blocks: 53619
Unique aggregates announced from the LACNIC address blocks: 25361
LACNIC Region origin ASes present in the Internet Routing Table: 1989
LACNIC Prefixes per ASN: 26.96
LACNIC Region origin ASes announcing only one prefix: 580
LACNIC Region transit ASes present in the Internet Routing Table: 365
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 787
Number of LACNIC addresses announced to Internet: 133414696
Equivalent to 7 /8s, 243 /16s and 191 /24s
Percentage of available LACNIC address space announced: 79.5
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 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: 11012
Total AfriNIC prefixes after maximum aggregation: 2540
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 11616
Unique aggregates announced from the AfriNIC address blocks: 3967
AfriNIC Region origin ASes present in the Internet Routing Table: 639
AfriNIC Prefixes per ASN: 18.18
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 135
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: 6
Number of AfriNIC addresses announced to Internet: 46400768
Equivalent to 2 /8s, 196 /16s and 5 /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 2917 11561 920 Korea Telecom (KIX)
17974 2600 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2033 320 110 TPG Internet Pty Ltd
4755 1762 391 194 TATA Communications formerly
9829 1537 1221 45 BSNL National Internet Backbo
9583 1223 92 504 Sify Limited
4808 1173 2152 336 CNCGROUP IP network: China169
9498 1165 309 71 BHARTI Airtel Ltd.
7552 1159 1080 13 Vietel Corporation
24560 1085 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 2985 3690 67 bellsouth.net, inc.
18566 2067 382 184 Covad Communications
1785 2001 678 126 PaeTec Communications, Inc.
22773 1998 2927 124 Cox Communications, Inc.
20115 1670 1623 622 Charter Communications
4323 1616 1118 405 Time Warner Telecom
701 1530 11127 797 UUNET Technologies, Inc.
30036 1347 304 661 Mediacom Communications Corp
7018 1300 11035 822 AT&T WorldNet Services
11492 1224 218 360 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 1621 544 16 Corbina telecom
2118 1385 97 13 EUnet/RELCOM Autonomous Syste
34984 1296 244 222 BILISIM TELEKOM
31148 973 43 21 FreeNet ISP
20940 931 322 733 Akamai Technologies European
13188 838 98 81 Educational Network
6830 804 2372 441 UPC Distribution Services
8551 780 370 45 Bezeq International
12479 683 793 56 Uni2 Autonomous System
34744 636 159 83 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 2946 1591 110 NET Servicos de Comunicao S.A
10620 2653 419 229 TVCABLE BOGOTA
7303 1729 1155 219 Telecom Argentina Stet-France
8151 1272 2754 383 UniNet S.A. de C.V.
18881 1247 844 20 Global Village Telecom
27947 832 94 91 Telconet S.A
6503 819 434 63 AVANTEL, S.A.
3816 717 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 621 88 65 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 1300 80 4 MOBITEL
24863 881 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 438 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 259 922 218 The Internet Solution
15706 221 32 6 Sudatel Internet Exchange Aut
29571 220 17 12 Ci Telecom Autonomous system
36992 206 527 22 Etisalat MISR
12258 193 28 71 Vodacom Internet Company
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 2985 3690 67 bellsouth.net, inc.
28573 2946 1591 110 NET Servicos de Comunicao S.A
4766 2917 11561 920 Korea Telecom (KIX)
10620 2653 419 229 TVCABLE BOGOTA
17974 2600 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2067 382 184 Covad Communications
7545 2033 320 110 TPG Internet Pty Ltd
1785 2001 678 126 PaeTec Communications, Inc.
22773 1998 2927 124 Cox Communications, Inc.
4755 1762 391 194 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 2946 2836 NET Servicos de Comunicao S.A
17974 2600 2508 PT TELEKOMUNIKASI INDONESIA
10620 2653 2424 TVCABLE BOGOTA
4766 2917 1997 Korea Telecom (KIX)
7545 2033 1923 TPG Internet Pty Ltd
18566 2067 1883 Covad Communications
1785 2001 1875 PaeTec Communications, Inc.
22773 1998 1874 Cox Communications, Inc.
8402 1621 1605 Corbina telecom
4755 1762 1568 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
30621 UNALLOCATED 12.151.74.0/23 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 2541 >>UNKNOWN<<
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.42.0/24 60619 >>UNKNOWN<<
128.0.43.0/24 60619 >>UNKNOWN<<
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
128.0.56.0/24 60996 >>UNKNOWN<<
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 /11:92 /12:251
/13:478 /14:905 /15:1606 /16:12726 /17:6652 /18:11048
/19:22489 /20:32111 /21:34651 /22:48614 /23:42481 /24:241944
/25:1298 /26:1638 /27:848 /28:43 /29:70 /30:19
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
6389 1715 2985 bellsouth.net, inc.
8402 1314 1621 Corbina telecom
22773 1300 1998 Cox Communications, Inc.
36998 1268 1300 MOBITEL
30036 1214 1347 Mediacom Communications Corp
11492 1185 1224 Cable One
1785 1070 2001 PaeTec Communications, Inc.
6983 1020 1147 ITC^Deltacom
10620 980 2653 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:821 2:726 3:4 4:19 5:842 6:16
8:572 12:1914 13:2 14:865 15:11 16:3
17:10 20:17 23:296 24:1771 27:1501 31:1314
32:45 33:2 34:5 36:60 37:1891 38:891
39:2 40:175 41:2745 42:232 44:8 46:1940
47:2 49:672 50:778 52:12 54:34 55:8
57:26 58:1161 59:584 60:328 61:1420 62:1118
63:2015 64:4350 65:2152 66:4194 67:2021 68:1091
69:3280 70:797 71:488 72:1916 74:2464 75:323
76:306 77:1115 78:1039 79:613 80:1291 81:1008
82:635 83:580 84:592 85:1205 86:467 87:1022
88:544 89:1807 90:150 91:5551 92:621 93:1754
94:1933 95:1675 96:521 97:343 98:1027 99:43
100:30 101:343 103:3020 105:521 106:139 107:208
108:517 109:1863 110:930 111:1073 112:562 113:817
114:699 115:1012 116:957 117:836 118:1128 119:1310
120:392 121:740 122:1803 123:1235 124:1374 125:1386
128:638 129:223 130:305 131:668 132:356 133:160
134:268 135:68 136:239 137:242 138:341 139:191
140:209 141:328 142:549 143:394 144:515 145:98
146:534 147:403 148:667 149:351 150:149 151:552
152:415 153:189 154:28 155:408 156:266 157:386
158:278 159:744 160:348 161:449 162:496 163:225
164:583 165:506 166:254 167:595 168:1033 169:128
170:1064 171:182 172:23 173:1608 174:552 175:495
176:1117 177:2139 178:1862 179:66 180:1476 181:558
182:1268 183:418 184:669 185:670 186:2320 187:1337
188:1888 189:1287 190:6760 192:6935 193:5858 194:4701
195:3575 196:1350 197:934 198:4547 199:5349 200:6022
201:2237 202:8838 203:8888 204:4506 205:2596 206:2860
207:2855 208:4009 209:3575 210:2926 211:1520 212:2203
213:2014 214:927 215:99 216:5254 217:1618 218:617
219:313 220:1285 221:556 222:321 223:447
End of report