* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 22 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 454744
Prefixes after maximum aggregation: 185562
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 224645
Total ASes present in the Internet Routing Table: 44127
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 34625
Origin ASes announcing only one prefix: 16111
Transit ASes present in the Internet Routing Table: 5845
Transit-only ASes present in the Internet Routing Table: 152
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 35
Max AS path prepend of ASN ( 55644) 28
Prefixes from unregistered ASNs in the Routing Table: 321
Unregistered ASNs in the Routing Table: 137
Number of 32-bit ASNs allocated by the RIRs: 4771
Number of 32-bit ASNs visible in the Routing Table: 3657
Prefixes from 32-bit ASNs in the Routing Table: 10437
Special use prefixes present in the Routing Table: 25
Prefixes being announced from unallocated address space: 243
Number of addresses announced to Internet: 2617153196
Equivalent to 155 /8s, 254 /16s and 150 /24s
Percentage of available address space announced: 70.7
Percentage of allocated address space announced: 70.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.5
Total number of prefixes smaller than registry allocations: 160383
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109077
Total APNIC prefixes after maximum aggregation: 33525
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 110466
Unique aggregates announced from the APNIC address blocks: 44798
APNIC Region origin ASes present in the Internet Routing Table: 4846
APNIC Prefixes per ASN: 22.80
APNIC Region origin ASes announcing only one prefix: 1223
APNIC Region transit ASes present in the Internet Routing Table: 822
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 533
Number of APNIC addresses announced to Internet: 722345440
Equivalent to 43 /8s, 14 /16s and 29 /24s
Percentage of available APNIC address space announced: 84.4
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: 159519
Total ARIN prefixes after maximum aggregation: 80374
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 160087
Unique aggregates announced from the ARIN address blocks: 73387
ARIN Region origin ASes present in the Internet Routing Table: 15702
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5979
ARIN Region transit ASes present in the Internet Routing Table: 1634
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: 1062237760
Equivalent to 63 /8s, 80 /16s and 118 /24s
Percentage of available ARIN address space announced: 56.2
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: 117207
Total RIPE prefixes after maximum aggregation: 59833
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120783
Unique aggregates announced from the RIPE address blocks: 78001
RIPE Region origin ASes present in the Internet Routing Table: 17181
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8150
RIPE Region transit ASes present in the Internet Routing Table: 2809
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: 2338
Number of RIPE addresses announced to Internet: 656365924
Equivalent to 39 /8s, 31 /16s and 89 /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: 47603
Total LACNIC prefixes after maximum aggregation: 9279
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 51786
Unique aggregates announced from the LACNIC address blocks: 24325
LACNIC Region origin ASes present in the Internet Routing Table: 1932
LACNIC Prefixes per ASN: 26.80
LACNIC Region origin ASes announcing only one prefix: 572
LACNIC Region transit ASes present in the Internet Routing Table: 355
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 761
Number of LACNIC addresses announced to Internet: 129475880
Equivalent to 7 /8s, 183 /16s and 165 /24s
Percentage of available LACNIC address space announced: 77.2
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 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: 10813
Total AfriNIC prefixes after maximum aggregation: 2511
AfriNIC Deaggregation factor: 4.31
Prefixes being announced from the AfriNIC address blocks: 11379
Unique aggregates announced from the AfriNIC address blocks: 3909
AfriNIC Region origin ASes present in the Internet Routing Table: 630
AfriNIC Prefixes per ASN: 18.06
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 136
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46437120
Equivalent to 2 /8s, 196 /16s and 147 /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 2962 11559 926 Korea Telecom (KIX)
17974 2512 838 90 PT TELEKOMUNIKASI INDONESIA
7545 1983 320 108 TPG Internet Pty Ltd
4755 1734 391 192 TATA Communications formerly
9829 1512 1205 40 BSNL National Internet Backbo
9583 1220 91 503 Sify Limited
7552 1168 1064 12 Vietel Corporation
4808 1119 2112 325 CNCGROUP IP network: China169
9498 1110 309 72 BHARTI Airtel Ltd.
24560 1069 393 166 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 3019 3693 80 bellsouth.net, inc.
7029 2230 1265 211 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1991 677 124 PaeTec Communications, Inc.
22773 1976 2929 125 Cox Communications, Inc.
20115 1670 1609 614 Charter Communications
4323 1618 1139 400 Time Warner Telecom
30036 1330 296 644 Mediacom Communications Corp
7018 1311 10819 844 AT&T WorldNet Services
11492 1232 220 343 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 1848 544 16 Corbina telecom
2118 1260 97 13 EUnet/RELCOM Autonomous Syste
34984 1204 240 228 BILISIM TELEKOM
20940 850 296 668 Akamai Technologies European
13188 826 98 80 Educational Network
31148 793 39 22 FreeNet ISP
8551 771 370 43 Bezeq International
6830 770 2376 443 UPC Distribution Services
34744 676 173 56 SC GVM SISTEM 2003 SRL
12479 669 779 67 Uni2 Autonomous System
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 2738 1534 114 NET Servicos de Comunicao S.A
10620 2624 412 226 TVCABLE BOGOTA
7303 1724 1153 222 Telecom Argentina Stet-France
8151 1258 2707 396 UniNet S.A. de C.V.
18881 941 780 19 Global Village Telecom
6503 929 435 68 AVANTEL, S.A.
27947 838 89 97 Telconet S.A
3816 706 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 608 87 64 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 1237 80 4 MOBITEL
24863 885 274 32 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 451 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
36992 189 527 22 Etisalat MISR
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 3019 3693 80 bellsouth.net, inc.
4766 2962 11559 926 Korea Telecom (KIX)
28573 2738 1534 114 NET Servicos de Comunicao S.A
10620 2624 412 226 TVCABLE BOGOTA
17974 2512 838 90 PT TELEKOMUNIKASI INDONESIA
7029 2230 1265 211 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1991 677 124 PaeTec Communications, Inc.
7545 1983 320 108 TPG Internet Pty Ltd
22773 1976 2929 125 Cox Communications, Inc.
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 2738 2624 NET Servicos de Comunicao S.A
17974 2512 2422 PT TELEKOMUNIKASI INDONESIA
10620 2624 2398 TVCABLE BOGOTA
4766 2962 2036 Korea Telecom (KIX)
7029 2230 2019 Windstream Communications Inc
18566 2067 1883 Covad Communications
7545 1983 1875 TPG Internet Pty Ltd
1785 1991 1867 PaeTec Communications, Inc.
22773 1976 1851 Cox Communications, Inc.
8402 1848 1832 Corbina telecom
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
26064 UNALLOCATED 12.149.37.0/24 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
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.52.0/24 60906 NETOPIA SRL
128.0.53.0/24 60993 Totalsoft SA
128.0.57.0/24 60993 Totalsoft SA
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.61.0/24 9050 RTD-ROMTELECOM Autonomous Sys
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 /9:13 /10:30 /11:88 /12:248
/13:485 /14:890 /15:1567 /16:12689 /17:6626 /18:11157
/19:22159 /20:32028 /21:34207 /22:47385 /23:42260 /24:238900
/25:1307 /26:1679 /27:861 /28:45 /29:67 /30:18
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
6389 1733 3019 bellsouth.net, inc.
7029 1690 2230 Windstream Communications Inc
8402 1545 1848 Corbina telecom
22773 1284 1976 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1200 1330 Mediacom Communications Corp
11492 1193 1232 Cable One
1785 1062 1991 PaeTec Communications, Inc.
6983 1008 1134 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:798 2:811 3:3 4:15 5:882 6:8
8:554 12:1929 13:3 14:821 15:11 16:3
17:9 20:17 23:274 24:1768 27:1470 31:1280
32:43 33:2 34:5 36:28 37:1856 38:873
39:2 40:172 41:2765 42:192 44:6 46:1906
47:2 49:587 50:711 52:12 54:35 55:7
57:26 58:1154 59:573 60:313 61:1394 62:1106
63:2023 64:4328 65:2179 66:4357 67:2065 68:1130
69:3313 70:880 71:541 72:1921 74:2564 75:415
76:308 77:1115 78:1049 79:592 80:1260 81:986
82:625 83:567 84:531 85:1163 86:461 87:981
88:538 89:1796 90:152 91:5481 92:589 93:1695
94:1834 95:1518 96:513 97:344 98:1054 99:41
100:31 101:329 103:2607 105:519 106:90 107:209
108:520 109:1850 110:884 111:1032 112:515 113:802
114:711 115:946 116:920 117:795 118:1126 119:1290
120:406 121:720 122:1794 123:1217 124:1349 125:1357
128:639 129:221 130:324 131:649 132:341 133:149
134:266 135:66 136:222 137:261 138:344 139:196
140:206 141:329 142:549 143:378 144:481 145:93
146:512 147:398 148:683 149:371 150:159 151:571
152:416 153:199 154:43 155:394 156:264 157:399
158:280 159:728 160:338 161:428 162:442 163:218
164:594 165:451 166:301 167:588 168:1035 169:129
170:1024 171:179 172:22 173:1671 174:592 175:491
176:1288 177:2005 178:1868 179:7 180:1432 181:392
182:1262 183:382 184:673 185:447 186:2275 187:1296
188:2130 189:1316 190:6361 192:6626 193:5868 194:4584
195:3416 196:1347 197:904 198:4439 199:5315 200:5929
201:2238 202:8872 203:8845 204:4499 205:2567 206:2843
207:2894 208:4056 209:3633 210:2962 211:1514 212:2184
213:1928 214:859 215:98 216:5235 217:1600 218:616
219:330 220:1259 221:556 222:318 223:444
End of report
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