* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Sun 14 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 459002
Prefixes after maximum aggregation: 186726
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 228132
Total ASes present in the Internet Routing Table: 44481
Prefixes per ASN: 10.32
Origin-only ASes present in the Internet Routing Table: 34835
Origin ASes announcing only one prefix: 16168
Transit ASes present in the Internet Routing Table: 5870
Transit-only ASes present in the Internet Routing Table: 149
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 29
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 2720
Unregistered ASNs in the Routing Table: 1156
Number of 32-bit ASNs allocated by the RIRs: 4873
Number of 32-bit ASNs visible in the Routing Table: 3776
Prefixes from 32-bit ASNs in the Routing Table: 11260
Special use prefixes present in the Routing Table: 27
Prefixes being announced from unallocated address space: 286
Number of addresses announced to Internet: 2628811532
Equivalent to 156 /8s, 176 /16s and 123 /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: 94.7
Total number of prefixes smaller than registry allocations: 160586
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110132
Total APNIC prefixes after maximum aggregation: 33770
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 112053
Unique aggregates announced from the APNIC address blocks: 46107
APNIC Region origin ASes present in the Internet Routing Table: 4845
APNIC Prefixes per ASN: 23.13
APNIC Region origin ASes announcing only one prefix: 1209
APNIC Region transit ASes present in the Internet Routing Table: 824
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 600
Number of APNIC addresses announced to Internet: 725920224
Equivalent to 43 /8s, 68 /16s and 169 /24s
Percentage of available APNIC address space announced: 84.8
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: 159142
Total ARIN prefixes after maximum aggregation: 80568
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 159690
Unique aggregates announced from the ARIN address blocks: 73924
ARIN Region origin ASes present in the Internet Routing Table: 15765
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5988
ARIN Region transit ASes present in the Internet Routing Table: 1636
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: 1066481216
Equivalent to 63 /8s, 145 /16s and 54 /24s
Percentage of available ARIN address space announced: 56.4
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: 118598
Total RIPE prefixes after maximum aggregation: 60493
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 122080
Unique aggregates announced from the RIPE address blocks: 78881
RIPE Region origin ASes present in the Internet Routing Table: 17294
RIPE Prefixes per ASN: 7.06
RIPE Region origin ASes announcing only one prefix: 8200
RIPE Region transit ASes present in the Internet Routing Table: 2830
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2375
Number of RIPE addresses announced to Internet: 656415076
Equivalent to 39 /8s, 32 /16s and 25 /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: 48741
Total LACNIC prefixes after maximum aggregation: 9334
LACNIC Deaggregation factor: 5.22
Prefixes being announced from the LACNIC address blocks: 53231
Unique aggregates announced from the LACNIC address blocks: 24969
LACNIC Region origin ASes present in the Internet Routing Table: 1980
LACNIC Prefixes per ASN: 26.88
LACNIC Region origin ASes announcing only one prefix: 582
LACNIC Region transit ASes present in the Internet Routing Table: 358
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: 776
Number of LACNIC addresses announced to Internet: 133309832
Equivalent to 7 /8s, 242 /16s and 37 /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: 11041
Total AfriNIC prefixes after maximum aggregation: 2521
AfriNIC Deaggregation factor: 4.38
Prefixes being announced from the AfriNIC address blocks: 11662
Unique aggregates announced from the AfriNIC address blocks: 3985
AfriNIC Region origin ASes present in the Internet Routing Table: 645
AfriNIC Prefixes per ASN: 18.08
AfriNIC Region origin ASes announcing only one prefix: 189
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: 46291712
Equivalent to 2 /8s, 194 /16s and 91 /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 2929 11560 919 Korea Telecom (KIX)
17974 2580 855 92 PT TELEKOMUNIKASI INDONESIA
7545 2025 320 109 TPG Internet Pty Ltd
4755 1755 391 193 TATA Communications formerly
9829 1531 1220 44 BSNL National Internet Backbo
9583 1463 118 564 Sify Limited
4808 1176 2153 338 CNCGROUP IP network: China169
7552 1159 1080 13 Vietel Corporation
9498 1159 309 71 BHARTI Airtel Ltd.
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 2988 3691 69 bellsouth.net, inc.
18566 2066 382 184 Covad Communications
1785 1999 678 126 PaeTec Communications, Inc.
22773 1992 2927 123 Cox Communications, Inc.
20115 1665 1618 615 Charter Communications
4323 1612 1134 403 Time Warner Telecom
701 1530 11127 797 UUNET Technologies, Inc.
30036 1351 304 657 Mediacom Communications Corp
7018 1298 11035 820 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 1583 544 16 Corbina telecom
34984 1294 244 222 BILISIM TELEKOM
2118 1271 97 13 EUnet/RELCOM Autonomous Syste
20940 911 314 724 Akamai Technologies European
13188 837 98 81 Educational Network
31148 801 40 25 FreeNet ISP
6830 786 2376 441 UPC Distribution Services
8551 782 370 45 Bezeq International
12479 679 789 57 Uni2 Autonomous System
34744 648 160 85 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 2945 1588 107 NET Servicos de Comunicao S.A
10620 2695 423 191 TVCABLE BOGOTA
7303 1732 1155 221 Telecom Argentina Stet-France
8151 1268 2749 387 UniNet S.A. de C.V.
18881 1120 844 20 Global Village Telecom
27947 829 94 91 Telconet S.A
6503 819 434 63 AVANTEL, S.A.
3816 719 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 619 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 1298 80 4 MOBITEL
24863 883 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 453 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 259 922 218 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
29571 219 17 12 Ci Telecom Autonomous system
36992 205 527 22 Etisalat MISR
12258 194 28 67 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 2988 3691 69 bellsouth.net, inc.
28573 2945 1588 107 NET Servicos de Comunicao S.A
4766 2929 11560 919 Korea Telecom (KIX)
10620 2695 423 191 TVCABLE BOGOTA
17974 2580 855 92 PT TELEKOMUNIKASI INDONESIA
18566 2066 382 184 Covad Communications
7545 2025 320 109 TPG Internet Pty Ltd
1785 1999 678 126 PaeTec Communications, Inc.
22773 1992 2927 123 Cox Communications, Inc.
4755 1755 391 193 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 2945 2838 NET Servicos de Comunicao S.A
10620 2695 2504 TVCABLE BOGOTA
17974 2580 2488 PT TELEKOMUNIKASI INDONESIA
4766 2929 2010 Korea Telecom (KIX)
7545 2025 1916 TPG Internet Pty Ltd
18566 2066 1882 Covad Communications
1785 1999 1873 PaeTec Communications, Inc.
22773 1992 1869 Cox Communications, Inc.
8402 1583 1567 Corbina telecom
4755 1755 1562 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
13231 UNALLOCATED 5.28.32.0/24 42337 RIPE Network Coordin
13231 UNALLOCATED 5.28.33.0/24 42337 RIPE Network Coordin
13231 UNALLOCATED 5.28.34.0/24 42337 RIPE Network Coordin
13231 UNALLOCATED 5.28.35.0/24 42337 RIPE Network Coordin
13231 UNALLOCATED 5.28.36.0/24 42337 RIPE Network Coordin
13231 UNALLOCATED 5.28.37.0/24 42337 RIPE Network Coordin
59628 UNALLOCATED 5.200.128.0/17 48159 Telecommunication In
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
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
128.0.42.0/24 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
5.200.128.0/17 59628 >>UNKNOWN<<
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 /9:11 /10:30 /11:92 /12:250
/13:482 /14:903 /15:1602 /16:12718 /17:6654 /18:11064
/19:22510 /20:32147 /21:34530 /22:48458 /23:42448 /24:241266
/25:1276 /26:1534 /27:866 /28:41 /29:68 /30:18
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications
6389 1716 2988 bellsouth.net, inc.
22773 1295 1992 Cox Communications, Inc.
8402 1289 1583 Corbina telecom
36998 1266 1298 MOBITEL
30036 1218 1351 Mediacom Communications Corp
11492 1185 1224 Cable One
1785 1068 1999 PaeTec Communications, Inc.
6983 1018 1147 ITC^Deltacom
10620 1000 2695 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:838 2:735 3:3 4:19 5:813 6:16
8:563 12:1912 13:3 14:861 15:11 16:3
17:10 20:17 23:294 24:1778 27:1485 31:1325
32:45 33:2 34:5 36:59 37:1867 38:879
39:2 40:171 41:2797 42:229 44:8 46:1959
47:2 49:667 50:768 52:12 54:35 55:5
57:26 58:1158 59:582 60:328 61:1414 62:1125
63:2012 64:4334 65:2158 66:4176 67:2021 68:1075
69:3291 70:796 71:491 72:1911 74:2469 75:324
76:308 77:1145 78:1002 79:614 80:1273 81:1018
82:634 83:582 84:593 85:1193 86:463 87:1020
88:544 89:1803 90:149 91:5519 92:620 93:1778
94:1936 95:1695 96:516 97:342 98:1022 99:42
100:30 101:583 103:2942 105:521 106:139 107:208
108:513 109:1867 110:921 111:1073 112:552 113:815
114:699 115:993 116:964 117:806 118:1117 119:1317
120:384 121:735 122:1802 123:1218 124:1375 125:1392
128:627 129:223 130:310 131:670 132:361 133:155
134:267 135:68 136:256 137:243 138:340 139:191
140:206 141:326 142:543 143:378 144:502 145:98
146:524 147:396 148:659 149:352 150:148 151:521
152:415 153:189 154:28 155:415 156:265 157:397
158:279 159:723 160:344 161:449 162:477 163:225
164:582 165:501 166:254 167:595 168:1023 169:129
170:1061 171:182 172:23 173:1593 174:546 175:485
176:1122 177:2139 178:1871 179:65 180:1464 181:493
182:1263 183:422 184:669 185:634 186:2310 187:1325
188:2105 189:1253 190:6629 192:6852 193:5861 194:4633
195:3467 196:1354 197:938 198:4509 199:5344 200:6007
201:2172 202:8828 203:8886 204:4503 205:2587 206:2842
207:2850 208:4012 209:3594 210:2914 211:1518 212:2195
213:1999 214:915 215:99 216:5252 217:1616 218:620
219:321 220:1278 221:559 222:321 223:446
End of report
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