* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 25 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 429131
Prefixes after maximum aggregation: 179457
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 210904
Total ASes present in the Internet Routing Table: 42457
Prefixes per ASN: 10.11
Origin-only ASes present in the Internet Routing Table: 33758
Origin ASes announcing only one prefix: 15802
Transit ASes present in the Internet Routing Table: 5665
Transit-only ASes present in the Internet Routing Table: 143
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 40
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 859
Unregistered ASNs in the Routing Table: 319
Number of 32-bit ASNs allocated by the RIRs: 3404
Number of 32-bit ASNs visible in the Routing Table: 3034
Prefixes from 32-bit ASNs in the Routing Table: 8207
Special use prefixes present in the Routing Table: 13
Prefixes being announced from unallocated address space: 165
Number of addresses announced to Internet: 2607944876
Equivalent to 155 /8s, 114 /16s and 20 /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: 93.8
Total number of prefixes smaller than registry allocations: 150782
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103476
Total APNIC prefixes after maximum aggregation: 32588
APNIC Deaggregation factor: 3.18
Prefixes being announced from the APNIC address blocks: 104241
Unique aggregates announced from the APNIC address blocks: 42847
APNIC Region origin ASes present in the Internet Routing Table: 4783
APNIC Prefixes per ASN: 21.79
APNIC Region origin ASes announcing only one prefix: 1244
APNIC Region transit ASes present in the Internet Routing Table: 775
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: 338
Number of APNIC addresses announced to Internet: 712041376
Equivalent to 42 /8s, 112 /16s and 227 /24s
Percentage of available APNIC address space announced: 83.2
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: 154783
Total ARIN prefixes after maximum aggregation: 78311
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155638
Unique aggregates announced from the ARIN address blocks: 69532
ARIN Region origin ASes present in the Internet Routing Table: 15290
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 5784
ARIN Region transit ASes present in the Internet Routing Table: 1599
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 40
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1087143040
Equivalent to 64 /8s, 204 /16s and 124 /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: 108753
Total RIPE prefixes after maximum aggregation: 57514
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 111397
Unique aggregates announced from the RIPE address blocks: 72063
RIPE Region origin ASes present in the Internet Routing Table: 16918
RIPE Prefixes per ASN: 6.58
RIPE Region origin ASes announcing only one prefix: 8137
RIPE Region transit ASes present in the Internet Routing Table: 2756
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1973
Number of RIPE addresses announced to Internet: 647937060
Equivalent to 38 /8s, 158 /16s and 188 /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: 44139
Total LACNIC prefixes after maximum aggregation: 8743
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 47550
Unique aggregates announced from the LACNIC address blocks: 22838
LACNIC Region origin ASes present in the Internet Routing Table: 1686
LACNIC Prefixes per ASN: 28.20
LACNIC Region origin ASes announcing only one prefix: 464
LACNIC Region transit ASes present in the Internet Routing Table: 320
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 701
Number of LACNIC addresses announced to Internet: 118247272
Equivalent to 7 /8s, 12 /16s and 79 /24s
Percentage of available LACNIC address space announced: 70.5
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: 9656
Total AfriNIC prefixes after maximum aggregation: 2246
AfriNIC Deaggregation factor: 4.30
Prefixes being announced from the AfriNIC address blocks: 10140
Unique aggregates announced from the AfriNIC address blocks: 3479
AfriNIC Region origin ASes present in the Internet Routing Table: 569
AfriNIC Prefixes per ASN: 17.82
AfriNIC Region origin ASes announcing only one prefix: 173
AfriNIC Region transit ASes present in the Internet Routing Table: 125
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: 5
Number of AfriNIC addresses announced to Internet: 42273792
Equivalent to 2 /8s, 133 /16s and 12 /24s
Percentage of available AfriNIC address space announced: 42.0
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 2972 11558 900 Korea Telecom (KIX)
17974 2417 829 55 PT TELEKOMUNIKASI INDONESIA
7545 1785 301 86 TPG Internet Pty Ltd
4755 1616 387 164 TATA Communications formerly
9829 1409 1154 41 BSNL National Internet Backbo
9583 1187 88 509 Sify Limited
4808 1112 2056 314 CNCGROUP IP network: China169
7552 1086 1062 16 Vietel Corporation
24560 1035 385 162 Bharti Airtel Ltd., Telemedia
9498 1027 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 3179 3724 164 bellsouth.net, inc.
7029 3134 989 161 Windstream Communications Inc
18566 2084 382 180 Covad Communications
1785 1927 678 126 PaeTec Communications, Inc.
22773 1909 2931 128 Cox Communications, Inc.
20115 1665 1586 617 Charter Communications
4323 1593 1155 393 Time Warner Telecom
30036 1346 268 750 Mediacom Communications Corp
7018 1279 10290 850 AT&T WorldNet Services
7011 1221 333 691 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 1873 544 16 Corbina telecom
12479 851 776 64 Uni2 Autonomous System
34984 822 207 198 BILISIM TELEKOM
31148 726 37 9 FreeNet ISP
6830 723 2313 445 UPC Distribution Services
13188 707 93 134 Educational Network
20940 700 223 546 Akamai Technologies European
2118 664 97 14 EUnet/RELCOM Autonomous Syste
58113 601 66 364 LIR DATACENTER TELECOM SRL
8551 594 364 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 2224 378 227 TVCABLE BOGOTA
28573 2145 1278 61 NET Servicos de Comunicao S.A
7303 1661 1131 202 Telecom Argentina Stet-France
8151 1590 3030 354 UniNet S.A. de C.V.
6503 1540 435 69 AVANTEL, S.A.
27947 739 74 96 Telconet S.A
3816 651 309 69 Empresa Nacional de Telecomun
11172 590 85 66 Servicios Alestra S.A de C.V
14420 589 87 102 CORPORACION NACIONAL DE TELEC
7738 586 1178 33 Telecomunicacoes da Bahia 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 899 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 648 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 287 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 170 681 88 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 3179 3724 164 bellsouth.net, inc.
7029 3134 989 161 Windstream Communications Inc
4766 2972 11558 900 Korea Telecom (KIX)
17974 2417 829 55 PT TELEKOMUNIKASI INDONESIA
10620 2224 378 227 TVCABLE BOGOTA
28573 2145 1278 61 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
1785 1927 678 126 PaeTec Communications, Inc.
22773 1909 2931 128 Cox Communications, Inc.
8402 1873 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 3134 2973 Windstream Communications Inc
17974 2417 2362 PT TELEKOMUNIKASI INDONESIA
28573 2145 2084 NET Servicos de Comunicao S.A
4766 2972 2072 Korea Telecom (KIX)
10620 2224 1997 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
8402 1873 1857 Corbina telecom
1785 1927 1801 PaeTec Communications, Inc.
22773 1909 1781 Cox Communications, Inc.
7545 1785 1699 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
61408 UNALLOCATED 5.56.0.0/22 174 Cogent Communication
59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D
59395 UNALLOCATED 5.133.16.0/21 3549 Global Crossing
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.
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
128.0.72.0/21 23456 32-bit ASN transition
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
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 /12:241
/13:478 /14:850 /15:1545 /16:12456 /17:6508 /18:10866
/19:21223 /20:30506 /21:32536 /22:43058 /23:40188 /24:224275
/25:1353 /26:1690 /27:911 /28:178 /29:79 /30:17
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2624 3134 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1790 3179 bellsouth.net, inc.
8402 1574 1873 Corbina telecom
30036 1272 1346 Mediacom Communications Corp
22773 1249 1909 Cox Communications, Inc.
11492 1148 1183 Cable One
6503 1054 1540 AVANTEL, S.A.
1785 1017 1927 PaeTec Communications, Inc.
7011 957 1221 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:643 2:771 3:1 4:13 5:585 6:3
8:475 12:1977 13:1 14:677 15:11 16:3
17:6 20:27 23:207 24:1790 27:1371 31:1028
32:54 33:2 34:2 36:7 37:898 38:838
39:2 40:136 41:2778 42:158 44:3 46:1639
47:2 49:459 50:609 52:12 54:25 55:8
56:4 57:27 58:985 59:544 60:236 61:1298
62:969 63:2003 64:4285 65:2229 66:4531 67:2122
68:1154 69:3225 70:986 71:506 72:1870 74:2619
75:479 76:308 77:970 78:1006 79:504 80:1235
81:974 82:624 83:542 84:526 85:1153 86:486
87:945 88:361 89:1810 90:303 91:5272 92:588
93:1470 94:1650 95:1243 96:396 97:325 98:967
99:39 100:30 101:293 103:1689 105:512 106:123
107:201 108:473 109:1584 110:810 111:972 112:435
113:724 114:633 115:889 116:888 117:764 118:945
119:1227 120:353 121:692 122:1700 123:1164 124:1341
125:1284 128:578 129:196 130:283 131:617 132:307
133:142 134:252 135:62 136:221 137:238 138:335
139:170 140:491 141:288 142:492 143:384 144:499
145:82 146:513 147:267 148:747 149:330 150:158
151:204 152:450 153:183 154:20 155:436 156:227
157:372 158:262 159:662 160:337 161:412 162:363
163:191 164:708 165:445 166:512 167:554 168:977
169:126 170:918 171:152 172:7 173:1689 174:608
175:455 176:747 177:1320 178:1616 180:1313 181:160
182:1080 183:314 184:608 185:33 186:2226 187:1371
188:1693 189:1587 190:5927 192:6047 193:5540 194:4277
195:3459 196:1233 197:247 198:3898 199:5082 200:6012
201:1979 202:8668 203:8706 204:4410 205:2516 206:2739
207:2804 208:4056 209:3626 210:2818 211:1534 212:2068
213:1835 214:897 215:86 216:5121 217:1576 218:570
219:307 220:1258 221:533 222:337 223:403
End of report
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