* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 10 Dec, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 474627
Prefixes after maximum aggregation: 189972
Deaggregation factor: 2.50
Unique aggregates announced to Internet: 235665
Total ASes present in the Internet Routing Table: 45655
Prefixes per ASN: 10.40
Origin-only ASes present in the Internet Routing Table: 35437
Origin ASes announcing only one prefix: 16279
Transit ASes present in the Internet Routing Table: 5957
Transit-only ASes present in the Internet Routing Table: 171
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 103
Max AS path prepend of ASN ( 50404) 101
Prefixes from unregistered ASNs in the Routing Table: 1033
Unregistered ASNs in the Routing Table: 287
Number of 32-bit ASNs allocated by the RIRs: 5480
Number of 32-bit ASNs visible in the Routing Table: 4261
Prefixes from 32-bit ASNs in the Routing Table: 13392
Number of bogon 32-bit ASNs visible in the Routing Table: 1
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1354
Number of addresses announced to Internet: 2658099292
Equivalent to 158 /8s, 111 /16s and 96 /24s
Percentage of available address space announced: 71.8
Percentage of allocated address space announced: 71.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.3
Total number of prefixes smaller than registry allocations: 165570
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 112687
Total APNIC prefixes after maximum aggregation: 34143
APNIC Deaggregation factor: 3.30
Prefixes being announced from the APNIC address blocks: 114929
Unique aggregates announced from the APNIC address blocks: 48162
APNIC Region origin ASes present in the Internet Routing Table: 4870
APNIC Prefixes per ASN: 23.60
APNIC Region origin ASes announcing only one prefix: 1212
APNIC Region transit ASes present in the Internet Routing Table: 839
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 779
Number of APNIC addresses announced to Internet: 729041344
Equivalent to 43 /8s, 116 /16s and 73 /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: 163142
Total ARIN prefixes after maximum aggregation: 81763
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163854
Unique aggregates announced from the ARIN address blocks: 75797
ARIN Region origin ASes present in the Internet Routing Table: 15935
ARIN Prefixes per ASN: 10.28
ARIN Region origin ASes announcing only one prefix: 6012
ARIN Region transit ASes present in the Internet Routing Table: 1666
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 44
Number of ARIN addresses announced to Internet: 1073597824
Equivalent to 63 /8s, 253 /16s and 205 /24s
Percentage of available ARIN address space announced: 56.8
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: 119757
Total RIPE prefixes after maximum aggregation: 61232
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123593
Unique aggregates announced from the RIPE address blocks: 79113
RIPE Region origin ASes present in the Internet Routing Table: 17546
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8288
RIPE Region transit ASes present in the Internet Routing Table: 2831
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 103
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2514
Number of RIPE addresses announced to Internet: 656053220
Equivalent to 39 /8s, 26 /16s and 147 /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: 53157
Total LACNIC prefixes after maximum aggregation: 10010
LACNIC Deaggregation factor: 5.31
Prefixes being announced from the LACNIC address blocks: 58490
Unique aggregates announced from the LACNIC address blocks: 27447
LACNIC Region origin ASes present in the Internet Routing Table: 2049
LACNIC Prefixes per ASN: 28.55
LACNIC Region origin ASes announcing only one prefix: 555
LACNIC Region transit ASes present in the Internet Routing Table: 398
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 917
Number of LACNIC addresses announced to Internet: 146278392
Equivalent to 8 /8s, 184 /16s and 7 /24s
Percentage of available LACNIC address space announced: 87.2
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: 11760
Total AfriNIC prefixes after maximum aggregation: 2594
AfriNIC Deaggregation factor: 4.53
Prefixes being announced from the AfriNIC address blocks: 12407
Unique aggregates announced from the AfriNIC address blocks: 4079
AfriNIC Region origin ASes present in the Internet Routing Table: 696
AfriNIC Prefixes per ASN: 17.83
AfriNIC Region origin ASes announcing only one prefix: 212
AfriNIC Region transit ASes present in the Internet Routing Table: 143
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7
Number of AfriNIC addresses announced to Internet: 48667456
Equivalent to 2 /8s, 230 /16s and 155 /24s
Percentage of available AfriNIC address space announced: 48.3
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 2947 11558 951 Korea Telecom (KIX)
17974 2724 902 88 PT TELEKOMUNIKASI INDONESIA
7545 2112 319 110 TPG Internet Pty Ltd
4755 1796 392 190 TATA Communications formerly
9829 1544 1248 47 BSNL National Internet Backbo
9583 1329 103 542 Sify Limited
9498 1219 309 72 BHARTI Airtel Ltd.
7552 1173 1080 13 Vietel Corporation
4808 1144 2120 338 CNCGROUP IP network: China169
24560 1098 382 166 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 3038 3688 53 BellSouth.net Inc.
22773 2299 2939 138 Cox Communications, Inc.
18566 2052 379 178 MegaPath Corporation
1785 2048 686 131 PaeTec Communications, Inc.
20115 1681 1657 596 Charter Communications
4323 1638 1098 418 Time Warner Telecom
701 1509 11144 780 MCI Communications Services,
30036 1371 308 578 Mediacom Communications Corp
7018 1323 17778 862 AT&T WorldNet Services
6983 1291 755 578 ITC^Deltacom
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 2007 544 16 OJSC "Vimpelcom"
34984 1367 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1177 445 886 Akamai Technologies European
31148 1010 45 20 FreeNet ISP
13188 897 99 42 TOV "Bank-Inform"
6849 854 363 39 JSC UKRTELECOM,
8551 795 370 41 Bezeq International
6830 771 2327 424 UPC Distribution Services
12479 679 798 53 Uni2 Autonomous System
35228 549 246 16 Avatar Broadband Limited
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 3422 1829 94 NET Servicos de Comunicao S.A
10620 2693 436 200 Telmex Colombia S.A.
7303 1735 1161 231 Telecom Argentina Stet-France
18881 1721 908 20 Global Village Telecom
8151 1368 2855 423 UniNet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 851 93 89 Telconet S.A
6147 788 373 27 Telefonica Del Peru
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6503 775 434 60 AVANTEL, 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
36998 1854 112 5 Sudanese Mobile Telephone (ZA
24863 872 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 414 956 9 TEDATA
24835 298 144 9 RAYA Telecom - Egypt
29571 250 21 13 Ci Telecom Autonomous system
3741 247 921 209 The Internet Solution
36992 246 525 29 Etisalat MISR
15706 219 32 6 Sudatel Internet Exchange Aut
29975 192 668 21 Vodacom
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
28573 3422 1829 94 NET Servicos de Comunicao S.A
6389 3038 3688 53 BellSouth.net Inc.
4766 2947 11558 951 Korea Telecom (KIX)
17974 2724 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2693 436 200 Telmex Colombia S.A.
22773 2299 2939 138 Cox Communications, Inc.
7545 2112 319 110 TPG Internet Pty Ltd
18566 2052 379 178 MegaPath Corporation
1785 2048 686 131 PaeTec Communications, Inc.
8402 2007 544 16 OJSC "Vimpelcom"
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 3038 2985 BellSouth.net Inc.
17974 2724 2636 PT TELEKOMUNIKASI INDONESIA
10620 2693 2493 Telmex Colombia S.A.
22773 2299 2161 Cox Communications, Inc.
7545 2112 2002 TPG Internet Pty Ltd
4766 2947 1996 Korea Telecom (KIX)
8402 2007 1991 OJSC "Vimpelcom"
1785 2048 1917 PaeTec Communications, Inc.
18566 2052 1874 MegaPath Corporation
36998 1854 1849 Sudanese Mobile Telephone (ZA
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
62828 UNALLOCATED 8.21.130.0/24 4323 Time Warner Telecom
62850 UNALLOCATED 8.25.147.0/24 46887 Lightower Fiber Netw
62734 UNALLOCATED 8.31.128.0/24 6939 Hurricane Electric
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
62861 UNALLOCATED 12.37.197.0/24 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 Communications
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.91.0.0/19 40676 Psychz Networks
23.91.4.0/24 40676 Psychz Networks
23.91.14.0/24 40676 Psychz Networks
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.
23.91.120.0/21 36351 SoftLayer Technologies Inc.
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
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 /9:11 /10:31 /11:92 /12:253
/13:475 /14:933 /15:1636 /16:12849 /17:6787 /18:11331
/19:23181 /20:33013 /21:35688 /22:50264 /23:43952 /24:251687
/25:830 /26:989 /27:451 /28:49 /29:73 /30:22
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2007 2052 MegaPath Corporation
36998 1819 1854 Sudanese Mobile Telephone (ZA
8402 1712 2007 OJSC "Vimpelcom"
6389 1700 3038 BellSouth.net Inc.
22773 1550 2299 Cox Communications, Inc.
30036 1211 1371 Mediacom Communications Corp
11492 1184 1225 Cable One
1785 1088 2048 PaeTec Communications, Inc.
6983 1033 1291 ITC^Deltacom
22561 965 1241 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:925 2:872 3:3 4:16 5:817 6:21
8:613 12:1880 13:3 14:900 15:11 16:3
17:19 18:19 20:25 23:615 24:1756 27:1706
31:1521 32:45 33:2 34:5 36:99 37:1945
38:915 39:5 40:181 41:3256 42:231 44:14
46:2073 47:10 49:686 50:860 52:12 54:44
55:5 56:4 57:26 58:1155 59:583 60:367
61:1499 62:1239 63:1973 64:4389 65:2333 66:4149
67:2118 68:1093 69:3288 70:907 71:505 72:2019
74:2579 75:324 76:304 77:1220 78:1021 79:670
80:1284 81:1041 82:628 83:754 84:590 85:1257
86:381 87:1037 88:537 89:1567 90:154 91:5721
92:621 93:1616 94:2115 95:1585 96:517 97:350
98:1093 99:41 100:33 101:691 103:3816 105:531
106:144 107:232 108:538 109:2012 110:974 111:1117
112:594 113:805 114:754 115:1042 116:1014 117:834
118:1221 119:1295 120:338 121:765 122:1874 123:1266
124:1387 125:1435 128:640 129:232 130:355 131:668
132:350 133:158 134:308 135:72 136:276 137:269
138:351 139:171 140:199 141:342 142:550 143:407
144:502 145:90 146:554 147:439 148:773 149:368
150:153 151:485 152:415 153:207 154:46 155:515
156:311 157:418 158:285 159:785 160:361 161:460
162:910 163:226 164:627 165:579 166:276 167:637
168:1043 169:124 170:1125 171:185 172:11 173:1637
174:662 175:541 176:1327 177:2520 178:1877 179:316
180:1589 181:886 182:1413 183:475 184:621 185:1111
186:2643 187:1458 188:1974 189:1259 190:7310 192:7085
193:5481 194:4031 195:3381 196:1330 197:1064 198:4769
199:5512 200:6069 201:2528 202:9001 203:8895 204:4530
205:2647 206:2892 207:2806 208:3962 209:3666 210:3079
211:1625 212:2176 213:1996 214:888 215:84 216:5418
217:1729 218:637 219:319 220:1268 221:587 222:332
223:544
End of report
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