* BGP Routing Table Analysis Reports *
Routing Table Report 09:00 +10GMT Tue 12 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 464994
Prefixes after maximum aggregation: 187984
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 233805
Total ASes present in the Internet Routing Table: 45269
Prefixes per ASN: 10.27
Origin-only ASes present in the Internet Routing Table: 35351
Origin ASes announcing only one prefix: 16257
Transit ASes present in the Internet Routing Table: 5789
Transit-only ASes present in the Internet Routing Table: 151
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 37
Max AS path prepend of ASN ( 55644) 31
Prefixes from unregistered ASNs in the Routing Table: 27899
Unregistered ASNs in the Routing Table: 3705
Number of 32-bit ASNs allocated by the RIRs: 5331
Number of 32-bit ASNs visible in the Routing Table: 4129
Prefixes from 32-bit ASNs in the Routing Table: 12864
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1021
Number of addresses announced to Internet: 2651777888
Equivalent to 158 /8s, 14 /16s and 235 /24s
Percentage of available address space announced: 71.6
Percentage of allocated address space announced: 71.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.1
Total number of prefixes smaller than registry allocations: 162277
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107394
Total APNIC prefixes after maximum aggregation: 33285
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 109574
Unique aggregates announced from the APNIC address blocks: 47421
APNIC Region origin ASes present in the Internet Routing Table: 4845
APNIC Prefixes per ASN: 22.62
APNIC Region origin ASes announcing only one prefix: 1237
APNIC Region transit ASes present in the Internet Routing Table: 809
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 737
Number of APNIC addresses announced to Internet: 728708608
Equivalent to 43 /8s, 111 /16s and 54 /24s
Percentage of available APNIC address space announced: 85.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
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: 161741
Total ARIN prefixes after maximum aggregation: 81180
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162417
Unique aggregates announced from the ARIN address blocks: 75775
ARIN Region origin ASes present in the Internet Routing Table: 15864
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 6000
ARIN Region transit ASes present in the Internet Routing Table: 1612
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 34
Number of ARIN addresses announced to Internet: 1072676096
Equivalent to 63 /8s, 239 /16s and 189 /24s
Percentage of available ARIN address space announced: 56.7
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: 118557
Total RIPE prefixes after maximum aggregation: 61006
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122431
Unique aggregates announced from the RIPE address blocks: 78827
RIPE Region origin ASes present in the Internet Routing Table: 17476
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8274
RIPE Region transit ASes present in the Internet Routing Table: 2781
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2462
Number of RIPE addresses announced to Internet: 656232032
Equivalent to 39 /8s, 29 /16s and 78 /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, 61952-62463, 196608-200191
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: 52087
Total LACNIC prefixes after maximum aggregation: 9783
LACNIC Deaggregation factor: 5.32
Prefixes being announced from the LACNIC address blocks: 57160
Unique aggregates announced from the LACNIC address blocks: 26956
LACNIC Region origin ASes present in the Internet Routing Table: 2028
LACNIC Prefixes per ASN: 28.19
LACNIC Region origin ASes announcing only one prefix: 550
LACNIC Region transit ASes present in the Internet Routing Table: 380
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 890
Number of LACNIC addresses announced to Internet: 142624000
Equivalent to 8 /8s, 128 /16s and 69 /24s
Percentage of available LACNIC address space announced: 85.0
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: 11786
Total AfriNIC prefixes after maximum aggregation: 2586
AfriNIC Deaggregation factor: 4.56
Prefixes being announced from the AfriNIC address blocks: 12391
Unique aggregates announced from the AfriNIC address blocks: 3995
AfriNIC Region origin ASes present in the Internet Routing Table: 676
AfriNIC Prefixes per ASN: 18.33
AfriNIC Region origin ASes announcing only one prefix: 196
AfriNIC Region transit ASes present in the Internet Routing Table: 131
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 47959552
Equivalent to 2 /8s, 219 /16s and 206 /24s
Percentage of available AfriNIC address space announced: 47.6
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
17974 2713 903 89 PT TELEKOMUNIKASI INDONESIA
4766 2138 11550 641 Korea Telecom (KIX)
7545 2071 319 111 TPG Internet Pty Ltd
4755 1773 391 189 TATA Communications formerly
9829 1518 1244 45 BSNL National Internet Backbo
9583 1245 94 510 Sify Limited
9498 1212 309 74 BHARTI Airtel Ltd.
7552 1156 1080 13 Vietel Corporation
24560 1094 380 163 Bharti Airtel Ltd., Telemedia
4808 1086 2024 311 CNCGROUP IP network: China169
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3054 3688 56 BellSouth.net Inc.
22773 2196 2939 139 Cox Communications, Inc.
18566 2058 379 178 MegaPath Corporation
1785 2038 684 132 PaeTec Communications, Inc.
20115 1682 1653 607 Charter Communications
4323 1643 1114 418 Time Warner Telecom
701 1505 11146 781 MCI Communications Services,
30036 1386 313 577 Mediacom Communications Corp
7018 1340 17794 879 AT&T WorldNet Services
6983 1294 771 579 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1918 544 17 OJSC "Vimpelcom"
34984 1362 244 223 TELLCOM ILETISIM HIZMETLERI A
20940 1124 415 851 Akamai Technologies European
31148 1005 44 18 FreeNet ISP
13188 888 99 48 TOV "Bank-Inform"
6849 862 356 30 JSC UKRTELECOM,
8551 781 370 41 Bezeq International
6830 774 2328 426 UPC Distribution Services
12479 677 798 55 Uni2 Autonomous System
35228 542 246 16 Avatar Broadband Limited
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3450 1788 85 NET Servicos de Comunicao S.A
10620 2648 429 233 >>UNKNOWN<<
7303 1728 1150 231 Telecom Argentina Stet-France
18881 1552 908 20 Global Village Telecom
8151 1345 2849 408 UniNet S.A. de C.V.
11830 867 364 15 Instituto Costarricense de El
27947 819 94 91 Telconet S.A
6503 787 434 63 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
3816 751 301 124 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1864 112 5 Sudanese Mobile Telephone (ZA
24863 895 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 416 956 9 TEDATA
24835 298 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
36992 229 501 29 Etisalat MISR
29571 224 17 12 Ci Telecom Autonomous system
15706 221 32 6 Sudatel Internet Exchange Aut
29975 192 668 21 Vodacom
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3450 1788 85 NET Servicos de Comunicao S.A
6389 3054 3688 56 BellSouth.net Inc.
17974 2713 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2648 429 233 >>UNKNOWN<<
22773 2196 2939 139 Cox Communications, Inc.
4766 2138 11550 641 Korea Telecom (KIX)
7545 2071 319 111 TPG Internet Pty Ltd
18566 2058 379 178 MegaPath Corporation
1785 2038 684 132 PaeTec Communications, Inc.
8402 1918 544 17 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3054 2998 BellSouth.net Inc.
17974 2713 2624 PT TELEKOMUNIKASI INDONESIA
10620 2648 2415 >>UNKNOWN<<
22773 2196 2057 Cox Communications, Inc.
7545 2071 1960 TPG Internet Pty Ltd
1785 2038 1906 PaeTec Communications, Inc.
8402 1918 1901 OJSC "Vimpelcom"
18566 2058 1880 MegaPath Corporation
36998 1864 1859 Sudanese Mobile Telephone (ZA
4755 1773 1584 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/us/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
62828 UNALLOCATED 8.21.130.0/24 3356 Level 3 Communicatio
62850 UNALLOCATED 8.25.147.0/24 3356 Level 3 Communicatio
62734 UNALLOCATED 8.31.128.0/24 3356 Level 3 Communicatio
62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
13938 UNALLOCATED 12.33.114.0/24 7018 AT&T WorldNet Servic
13938 UNALLOCATED 12.41.54.0/24 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
Complete listing at http://thyme.rand.apnic.net/us/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.90.192.0/18 3257 Tiscali Intl Network
23.91.32.0/19 36315 Servpac Inc.
23.91.80.0/20 21560 Capital Technology Services G
23.91.96.0/20 37958 ChinaCache Networks ASN
23.91.112.0/21 32475 MidPhase Inc.
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.164.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.168.0/22 36493 3757277 Canada Inc. (oa 295.c
Complete listing at http://thyme.rand.apnic.net/us/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 /10:31 /11:92 /12:253
/13:469 /14:913 /15:1608 /16:12770 /17:6667 /18:11081
/19:22819 /20:32535 /21:35288 /22:49313 /23:43421 /24:247322
/25:46 /26:38 /27:26 /28:38 /29:34 /30:173
/31:10 /32:20
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2012 2058 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1707 3054 BellSouth.net Inc.
8402 1586 1918 OJSC "Vimpelcom"
22773 1459 2196 Cox Communications, Inc.
30036 1231 1386 Mediacom Communications Corp
11492 1189 1227 Cable One
1785 1086 2038 PaeTec Communications, Inc.
6983 1034 1294 ITC^Deltacom
22561 968 1245 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/us/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:897 2:837 3:3 4:17 5:1021 6:21
8:616 12:1901 13:3 14:874 15:11 16:3
17:18 18:19 20:21 23:540 24:1742 27:1635
31:1494 32:43 33:2 34:5 36:84 37:1915
38:915 39:5 40:181 41:3257 42:263 44:13
46:2015 47:10 49:686 50:828 52:12 54:42
55:5 56:4 57:26 58:1087 59:567 60:375
61:1453 62:1236 63:1983 64:4332 65:2342 66:4153
67:2115 68:1107 69:3293 70:871 71:489 72:2044
74:2549 75:325 76:296 77:1131 78:1037 79:667
80:1299 81:1036 82:655 83:643 84:580 85:1249
86:413 87:1005 88:557 89:1572 90:150 91:5618
92:621 93:1575 94:2041 95:1629 96:508 97:346
98:1032 99:39 100:30 101:377 103:3548 105:527
106:142 107:213 108:516 109:1940 110:970 111:1108
112:586 113:806 114:724 115:1003 116:992 117:814
118:1173 119:1267 120:328 121:731 122:1783 123:1225
124:1335 125:1430 128:640 129:215 130:315 131:657
132:357 133:157 134:544 135:72 136:283 137:238
138:350 139:171 140:170 141:318 142:530 143:400
144:497 145:89 146:517 147:393 148:704 149:367
150:135 151:587 152:411 153:206 154:52 155:502
156:289 157:370 158:279 159:690 160:360 161:452
162:839 163:205 164:629 165:580 166:258 167:633
168:1037 169:121 170:1117 171:182 172:27 173:1583
174:686 175:504 176:1280 177:2433 178:1962 179:216
180:1580 181:843 182:1341 183:461 184:668 185:1004
186:2648 187:1458 188:1871 189:1242 190:7095 192:6983
193:5409 194:4042 195:3358 196:1327 197:1060 198:4689
199:5446 200:6059 201:2460 202:8805 203:8809 204:4466
205:2629 206:2751 207:2765 208:4002 209:3643 210:2895
211:1558 212:2110 213:1988 214:896 215:91 216:5391
217:1682 218:616 219:316 220:1274 221:582 222:327
223:501
End of report
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