* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 08 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 427742
Prefixes after maximum aggregation: 178922
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 210311
Total ASes present in the Internet Routing Table: 42272
Prefixes per ASN: 10.12
Origin-only ASes present in the Internet Routing Table: 33690
Origin ASes announcing only one prefix: 15763
Transit ASes present in the Internet Routing Table: 5624
Transit-only ASes present in the Internet Routing Table: 145
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 795
Unregistered ASNs in the Routing Table: 289
Number of 32-bit ASNs allocated by the RIRs: 3359
Number of 32-bit ASNs visible in the Routing Table: 2958
Prefixes from 32-bit ASNs in the Routing Table: 8060
Special use prefixes present in the Routing Table: 12
Prefixes being announced from unallocated address space: 147
Number of addresses announced to Internet: 2604908396
Equivalent to 155 /8s, 67 /16s and 191 /24s
Percentage of available address space announced: 70.4
Percentage of allocated address space announced: 70.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.7
Total number of prefixes smaller than registry allocations: 149947
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102933
Total APNIC prefixes after maximum aggregation: 32540
APNIC Deaggregation factor: 3.16
Prefixes being announced from the APNIC address blocks: 103639
Unique aggregates announced from the APNIC address blocks: 42889
APNIC Region origin ASes present in the Internet Routing Table: 4766
APNIC Prefixes per ASN: 21.75
APNIC Region origin ASes announcing only one prefix: 1236
APNIC Region transit ASes present in the Internet Routing Table: 776
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 323
Number of APNIC addresses announced to Internet: 710966688
Equivalent to 42 /8s, 96 /16s and 125 /24s
Percentage of available APNIC address space announced: 83.1
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: 154491
Total ARIN prefixes after maximum aggregation: 78215
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155379
Unique aggregates announced from the ARIN address blocks: 69364
ARIN Region origin ASes present in the Internet Routing Table: 15259
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 5774
ARIN Region transit ASes present in the Internet Routing Table: 1595
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1086729600
Equivalent to 64 /8s, 198 /16s and 45 /24s
Percentage of available ARIN address space announced: 57.5
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, 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: 108800
Total RIPE prefixes after maximum aggregation: 57279
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 111467
Unique aggregates announced from the RIPE address blocks: 71788
RIPE Region origin ASes present in the Internet Routing Table: 16891
RIPE Prefixes per ASN: 6.60
RIPE Region origin ASes announcing only one prefix: 8128
RIPE Region transit ASes present in the Internet Routing Table: 2717
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1924
Number of RIPE addresses announced to Internet: 647935268
Equivalent to 38 /8s, 158 /16s and 181 /24s
Percentage of available RIPE address space announced: 94.2
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: 43641
Total LACNIC prefixes after maximum aggregation: 8596
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 46976
Unique aggregates announced from the LACNIC address blocks: 22609
LACNIC Region origin ASes present in the Internet Routing Table: 1661
LACNIC Prefixes per ASN: 28.28
LACNIC Region origin ASes announcing only one prefix: 455
LACNIC Region transit ASes present in the Internet Routing Table: 318
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 688
Number of LACNIC addresses announced to Internet: 117166120
Equivalent to 6 /8s, 251 /16s and 208 /24s
Percentage of available LACNIC address space announced: 69.8
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
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: 9694
Total AfriNIC prefixes after maximum aggregation: 2235
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 10134
Unique aggregates announced from the AfriNIC address blocks: 3531
AfriNIC Region origin ASes present in the Internet Routing Table: 559
AfriNIC Prefixes per ASN: 18.13
AfriNIC Region origin ASes announcing only one prefix: 170
AfriNIC Region transit ASes present in the Internet Routing Table: 126
Average AfriNIC Region AS path length visible: 4.7
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: 41829376
Equivalent to 2 /8s, 126 /16s and 68 /24s
Percentage of available AfriNIC address space announced: 41.6
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 2972 11428 904 Korea Telecom (KIX)
17974 2347 830 54 PT TELEKOMUNIKASI INDONESIA
7545 1764 301 86 TPG Internet Pty Ltd
4755 1626 387 163 TATA Communications formerly
9829 1397 1154 41 BSNL National Internet Backbo
9583 1225 90 517 Sify Limited
4808 1122 2046 317 CNCGROUP IP network: China169
7552 1120 1062 11 Vietel Corporation
24560 1035 385 162 Bharti Airtel Ltd., Telemedia
9498 1021 310 74 BHARTI Airtel Ltd.
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 3230 3727 171 bellsouth.net, inc.
7029 3164 990 161 Windstream Communications Inc
18566 2084 382 180 Covad Communications
1785 1924 678 128 PaeTec Communications, Inc.
22773 1903 2931 128 Cox Communications, Inc.
20115 1656 1582 618 Charter Communications
4323 1582 1154 389 Time Warner Telecom
30036 1348 270 757 Mediacom Communications Corp
7018 1270 10305 842 AT&T WorldNet Services
7011 1205 329 699 Citizens Utilities
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 1767 544 16 Corbina telecom
2118 1399 97 14 EUnet/RELCOM Autonomous Syste
12479 847 776 68 Uni2 Autonomous System
34984 793 206 180 BILISIM TELEKOM
31148 722 37 9 FreeNet ISP
6830 721 2313 445 UPC Distribution Services
20940 701 222 533 Akamai Technologies European
13188 698 92 147 Educational Network
58113 603 67 364 LIR DATACENTER TELECOM SRL
8551 577 364 61 Bezeq International
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
10620 2200 379 222 TVCABLE BOGOTA
28573 2125 1269 58 NET Servicos de Comunicao S.A
8151 1582 3047 354 UniNet S.A. de C.V.
7303 1566 1035 202 Telecom Argentina Stet-France
6503 1537 435 69 AVANTEL, S.A.
27947 721 74 92 Telconet S.A
3816 644 309 70 Empresa Nacional de Telecomun
11172 594 101 67 Servicios Alestra S.A de C.V
14420 589 87 101 CORPORACION NACIONAL DE TELEC
22047 580 326 15 VTR PUNTO NET S.A.
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
24863 891 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 714 958 13 TEDATA
6713 517 650 19 Itissalat Al-MAGHRIB
24835 269 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 192 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 172 682 85 MTN Network Solutions
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 3230 3727 171 bellsouth.net, inc.
7029 3164 990 161 Windstream Communications Inc
4766 2972 11428 904 Korea Telecom (KIX)
17974 2347 830 54 PT TELEKOMUNIKASI INDONESIA
10620 2200 379 222 TVCABLE BOGOTA
28573 2125 1269 58 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
1785 1924 678 128 PaeTec Communications, Inc.
22773 1903 2931 128 Cox Communications, Inc.
8402 1767 544 16 Corbina telecom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7029 3164 3003 Windstream Communications Inc
17974 2347 2293 PT TELEKOMUNIKASI INDONESIA
4766 2972 2068 Korea Telecom (KIX)
28573 2125 2067 NET Servicos de Comunicao S.A
10620 2200 1978 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
1785 1924 1796 PaeTec Communications, Inc.
22773 1903 1775 Cox Communications, Inc.
8402 1767 1751 Corbina telecom
7545 1764 1678 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D
59395 UNALLOCATED 5.133.16.0/21 12658 Dexterity Networks L
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59521 UNALLOCATED 5.134.192.0/21 29518 Labs2
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS
59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.64.0/19 35567 DASTO semtel d.o.o.
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.24.0/21 41794 Altline LLC
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.80.0/20 52041 Timer LTD
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
128.0.160.0/21 23456 32-bit ASN transition
128.0.168.0/21 15772 W-NET Kiev
128.0.170.0/24 24685 ISP Elencom autonomous system
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
41.220.80.0/24 38925 DAC AS Germany
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 /8:18 /9:14 /10:29 /11:87 /12:242
/13:477 /14:846 /15:1543 /16:12440 /17:6488 /18:10858
/19:21102 /20:30410 /21:32383 /22:42770 /23:40019 /24:223811
/25:1350 /26:1663 /27:913 /28:174 /29:65 /30:16
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2647 3164 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1801 3230 bellsouth.net, inc.
8402 1484 1767 Corbina telecom
30036 1281 1348 Mediacom Communications Corp
22773 1244 1903 Cox Communications, Inc.
11492 1164 1201 Cable One
6503 1054 1537 AVANTEL, S.A.
1785 1016 1924 PaeTec Communications, Inc.
7011 944 1205 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:627 2:747 3:1 4:13 5:554 6:3
8:470 12:1975 13:1 14:669 15:11 16:3
17:6 20:27 23:201 24:1784 27:1369 31:1024
32:54 33:2 34:2 36:7 37:838 38:829
39:2 40:133 41:2884 42:158 44:3 46:1614
47:2 49:459 50:593 52:12 54:22 55:6
56:3 57:27 58:990 59:541 60:237 61:1289
62:938 63:1999 64:4278 65:2233 66:4510 67:2106
68:1171 69:3228 70:987 71:514 72:1875 74:2600
75:485 76:305 77:969 78:974 79:501 80:1248
81:968 82:635 83:537 84:520 85:1159 86:483
87:933 88:364 89:1816 90:304 91:5235 92:594
93:1522 94:1629 95:1097 96:393 97:325 98:965
99:39 100:24 101:264 103:1626 105:512 106:120
107:199 108:467 109:1561 110:802 111:956 112:442
113:711 114:632 115:894 116:888 117:735 118:961
119:1216 120:340 121:688 122:1638 123:1165 124:1330
125:1280 128:559 129:194 130:282 131:637 132:310
133:22 134:253 135:62 136:220 137:239 138:337
139:171 140:498 141:283 142:490 143:381 144:487
145:85 146:504 147:275 148:743 149:326 150:160
151:195 152:451 153:178 154:20 155:422 156:225
157:373 158:258 159:660 160:345 161:410 162:365
163:191 164:703 165:425 166:526 167:554 168:987
169:127 170:911 171:151 172:7 173:1675 174:630
175:445 176:778 177:1261 178:1616 180:1335 181:149
182:1068 183:298 184:608 185:24 186:2185 187:1301
188:1728 189:1589 190:5817 192:6040 193:5747 194:4611
195:3659 196:1222 197:231 198:3827 199:5054 200:5991
201:1957 202:8681 203:8709 204:4406 205:2532 206:2764
207:2840 208:4049 209:3640 210:2838 211:1530 212:2013
213:1812 214:876 215:87 216:5110 217:1573 218:571
219:313 220:1251 221:534 222:337 223:415
End of report
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