* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 21 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 437756
Prefixes after maximum aggregation: 180857
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 215428
Total ASes present in the Internet Routing Table: 42905
Prefixes per ASN: 10.20
Origin-only ASes present in the Internet Routing Table: 33977
Origin ASes announcing only one prefix: 15866
Transit ASes present in the Internet Routing Table: 5699
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 31
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 1210
Unregistered ASNs in the Routing Table: 435
Number of 32-bit ASNs allocated by the RIRs: 3591
Number of 32-bit ASNs visible in the Routing Table: 3229
Prefixes from 32-bit ASNs in the Routing Table: 8744
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 175
Number of addresses announced to Internet: 2619928844
Equivalent to 156 /8s, 40 /16s and 241 /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: 94.1
Total number of prefixes smaller than registry allocations: 154745
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105175
Total APNIC prefixes after maximum aggregation: 32775
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 106096
Unique aggregates announced from the APNIC address blocks: 43430
APNIC Region origin ASes present in the Internet Routing Table: 4808
APNIC Prefixes per ASN: 22.07
APNIC Region origin ASes announcing only one prefix: 1244
APNIC Region transit ASes present in the Internet Routing Table: 793
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: 387
Number of APNIC addresses announced to Internet: 716200832
Equivalent to 42 /8s, 176 /16s and 91 /24s
Percentage of available APNIC address space announced: 83.7
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: 156029
Total ARIN prefixes after maximum aggregation: 78423
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 156708
Unique aggregates announced from the ARIN address blocks: 70631
ARIN Region origin ASes present in the Internet Routing Table: 15354
ARIN Prefixes per ASN: 10.21
ARIN Region origin ASes announcing only one prefix: 5799
ARIN Region transit ASes present in the Internet Routing Table: 1591
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1089391488
Equivalent to 64 /8s, 238 /16s and 203 /24s
Percentage of available ARIN address space announced: 57.6
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: 112554
Total RIPE prefixes after maximum aggregation: 58248
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 115451
Unique aggregates announced from the RIPE address blocks: 74431
RIPE Region origin ASes present in the Internet Routing Table: 17007
RIPE Prefixes per ASN: 6.79
RIPE Region origin ASes announcing only one prefix: 8141
RIPE Region transit ASes present in the Internet Routing Table: 2760
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2086
Number of RIPE addresses announced to Internet: 650318820
Equivalent to 38 /8s, 195 /16s and 19 /24s
Percentage of available RIPE address space announced: 94.5
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: 45429
Total LACNIC prefixes after maximum aggregation: 9004
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 49030
Unique aggregates announced from the LACNIC address blocks: 23152
LACNIC Region origin ASes present in the Internet Routing Table: 1753
LACNIC Prefixes per ASN: 27.97
LACNIC Region origin ASes announcing only one prefix: 493
LACNIC Region transit ASes present in the Internet Routing Table: 337
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: 732
Number of LACNIC addresses announced to Internet: 120789288
Equivalent to 7 /8s, 51 /16s and 25 /24s
Percentage of available LACNIC address space announced: 72.0
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: 9703
Total AfriNIC prefixes after maximum aggregation: 2354
AfriNIC Deaggregation factor: 4.12
Prefixes being announced from the AfriNIC address blocks: 10296
Unique aggregates announced from the AfriNIC address blocks: 3628
AfriNIC Region origin ASes present in the Internet Routing Table: 586
AfriNIC Prefixes per ASN: 17.57
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 130
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: 42860032
Equivalent to 2 /8s, 141 /16s and 254 /24s
Percentage of available AfriNIC address space announced: 42.6
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 2926 11556 906 Korea Telecom (KIX)
17974 2488 829 54 PT TELEKOMUNIKASI INDONESIA
7545 1815 301 88 TPG Internet Pty Ltd
4755 1661 381 174 TATA Communications formerly
9829 1417 1156 42 BSNL National Internet Backbo
9583 1182 88 502 Sify Limited
7552 1146 1070 12 Vietel Corporation
4808 1095 2045 312 CNCGROUP IP network: China169
9498 1037 307 69 BHARTI Airtel Ltd.
24560 1036 385 165 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
7029 3472 1010 215 Windstream Communications Inc
6389 3121 3717 133 bellsouth.net, inc.
18566 2081 382 180 Covad Communications
22773 1943 2929 128 Cox Communications, Inc.
1785 1939 678 125 PaeTec Communications, Inc.
20115 1689 1608 621 Charter Communications
4323 1588 1155 392 Time Warner Telecom
30036 1387 292 720 Mediacom Communications Corp
7018 1295 10533 855 AT&T WorldNet Services
7011 1206 321 685 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 1773 544 16 Corbina telecom
2118 922 97 15 EUnet/RELCOM Autonomous Syste
34984 883 211 230 BILISIM TELEKOM
12479 869 777 64 Uni2 Autonomous System
13188 765 95 121 Educational Network
31148 743 38 15 FreeNet ISP
20940 716 231 555 Akamai Technologies European
6830 715 2313 436 UPC Distribution Services
58113 633 70 378 LIR DATACENTER TELECOM SRL
8551 618 367 39 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 2268 387 206 TVCABLE BOGOTA
28573 2229 1297 80 NET Servicos de Comunicao S.A
7303 1674 1139 202 Telecom Argentina Stet-France
8151 1572 2972 348 UniNet S.A. de C.V.
6503 1454 435 67 AVANTEL, S.A.
27947 766 85 93 Telconet S.A
18881 742 716 18 Global Village Telecom
3816 661 309 71 Empresa Nacional de Telecomun
11172 600 85 65 Servicios Alestra S.A de C.V
7738 579 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 874 275 36 LINKdotNET AS number
36998 749 48 3 MOBITEL
8452 554 958 13 TEDATA
6713 485 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 181 697 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
7029 3472 1010 215 Windstream Communications Inc
6389 3121 3717 133 bellsouth.net, inc.
4766 2926 11556 906 Korea Telecom (KIX)
17974 2488 829 54 PT TELEKOMUNIKASI INDONESIA
10620 2268 387 206 TVCABLE BOGOTA
28573 2229 1297 80 NET Servicos de Comunicao S.A
18566 2081 382 180 Covad Communications
22773 1943 2929 128 Cox Communications, Inc.
1785 1939 678 125 PaeTec Communications, Inc.
7545 1815 301 88 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3121 2988 bellsouth.net, inc.
17974 2488 2434 PT TELEKOMUNIKASI INDONESIA
28573 2229 2149 NET Servicos de Comunicao S.A
10620 2268 2062 TVCABLE BOGOTA
4766 2926 2020 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
22773 1943 1815 Cox Communications, Inc.
1785 1939 1814 PaeTec Communications, Inc.
8402 1773 1757 Corbina telecom
7545 1815 1727 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
61309 UNALLOCATED 5.1.96.0/21 41562 Host4all Sarl
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom
61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication
61395 UNALLOCATED 5.83.56.0/22 3292 TDC Tele Danmark
61395 UNALLOCATED 5.83.60.0/22 3292 TDC Tele Danmark
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
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
128.0.64.0/22 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<<
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.112.114.0/24 23884 Proimage Engineering and Comm
41.222.80.0/21 37110 Moztel LDA
41.223.108.0/22 36966 >>UNKNOWN<<
62.12.96.0/19 38478 SunnyVision Limited
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.66.32.0/20 18864 >>UNKNOWN<<
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.
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 /9:13 /10:29 /11:87 /12:244
/13:477 /14:857 /15:1543 /16:12492 /17:6567 /18:10953
/19:21627 /20:30989 /21:32981 /22:44296 /23:40786 /24:229650
/25:1306 /26:1686 /27:856 /28:179 /29:81 /30:17
/31:0 /32:22
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2728 3472 Windstream Communications Inc
18566 2031 2081 Covad Communications
6389 1775 3121 bellsouth.net, inc.
8402 1498 1773 Corbina telecom
30036 1290 1387 Mediacom Communications Corp
22773 1277 1943 Cox Communications, Inc.
11492 1157 1194 Cable One
1785 1023 1939 PaeTec Communications, Inc.
6503 980 1454 AVANTEL, S.A.
7011 954 1206 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:693 2:730 3:3 4:13 5:696 6:3
8:488 12:1933 13:3 14:702 15:11 16:3
17:6 20:27 23:220 24:1791 27:1467 31:1338
32:54 33:2 34:2 36:10 37:1140 38:844
39:2 40:142 41:2642 42:179 44:3 46:1718
47:3 49:509 50:651 52:12 54:28 55:8
56:1 57:28 58:1068 59:555 60:236 61:1308
62:1037 63:2019 64:4351 65:2201 66:4512 67:2083
68:1201 69:3335 70:937 71:557 72:1895 74:2626
75:476 76:293 77:1037 78:1023 79:517 80:1190
81:978 82:645 83:538 84:531 85:1157 86:459
87:969 88:354 89:1753 90:304 91:5374 92:607
93:1624 94:1971 95:1616 96:487 97:338 98:966
99:40 100:31 101:287 103:1965 105:501 106:117
107:203 108:508 109:1736 110:830 111:968 112:447
113:743 114:642 115:895 116:890 117:778 118:965
119:1262 120:373 121:708 122:1721 123:1174 124:1320
125:1296 128:808 129:200 130:303 131:636 132:316
133:142 134:255 135:62 136:215 137:236 138:344
139:169 140:182 141:301 142:516 143:352 144:492
145:89 146:521 147:324 148:729 149:333 150:154
151:237 152:399 153:187 154:22 155:444 156:231
157:379 158:257 159:685 160:334 161:417 162:371
163:192 164:581 165:452 166:474 167:569 168:1000
169:131 170:1006 171:164 172:4 173:1657 174:627
175:465 176:879 177:1499 178:1743 180:1357 181:189
182:1116 183:294 184:631 185:134 186:2162 187:1416
188:1892 189:1565 190:6185 192:6086 193:5669 194:4403
195:3595 196:1239 197:290 198:4006 199:5152 200:6047
201:2011 202:8856 203:8731 204:4478 205:2554 206:2823
207:2830 208:4068 209:3654 210:2906 211:1528 212:2097
213:1873 214:864 215:90 216:5180 217:1555 218:595
219:321 220:1256 221:543 222:324 223:367
End of report
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