* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 20 Dec, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 475825
Prefixes after maximum aggregation: 190310
Deaggregation factor: 2.50
Unique aggregates announced to Internet: 236285
Total ASes present in the Internet Routing Table: 45768
Prefixes per ASN: 10.40
Origin-only ASes present in the Internet Routing Table: 35498
Origin ASes announcing only one prefix: 16269
Transit ASes present in the Internet Routing Table: 5955
Transit-only ASes present in the Internet Routing Table: 173
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 53
Max AS path prepend of ASN ( 50404) 51
Prefixes from unregistered ASNs in the Routing Table: 1063
Unregistered ASNs in the Routing Table: 302
Number of 32-bit ASNs allocated by the RIRs: 5547
Number of 32-bit ASNs visible in the Routing Table: 4315
Prefixes from 32-bit ASNs in the Routing Table: 13578
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1444
Number of addresses announced to Internet: 2660123100
Equivalent to 158 /8s, 142 /16s and 65 /24s
Percentage of available address space announced: 71.9
Percentage of allocated address space announced: 71.9
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: 166105
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 113038
Total APNIC prefixes after maximum aggregation: 34166
APNIC Deaggregation factor: 3.31
Prefixes being announced from the APNIC address blocks: 115325
Unique aggregates announced from the APNIC address blocks: 48145
APNIC Region origin ASes present in the Internet Routing Table: 4877
APNIC Prefixes per ASN: 23.65
APNIC Region origin ASes announcing only one prefix: 1208
APNIC Region transit ASes present in the Internet Routing Table: 838
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 38
Number of APNIC region 32-bit ASNs visible in the Routing Table: 791
Number of APNIC addresses announced to Internet: 729282240
Equivalent to 43 /8s, 119 /16s and 246 /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: 163407
Total ARIN prefixes after maximum aggregation: 81865
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 164189
Unique aggregates announced from the ARIN address blocks: 75949
ARIN Region origin ASes present in the Internet Routing Table: 15933
ARIN Prefixes per ASN: 10.30
ARIN Region origin ASes announcing only one prefix: 5999
ARIN Region transit ASes present in the Internet Routing Table: 1668
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: 48
Number of ARIN addresses announced to Internet: 1075076736
Equivalent to 64 /8s, 20 /16s and 94 /24s
Percentage of available ARIN address space announced: 56.9
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: 119747
Total RIPE prefixes after maximum aggregation: 61386
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 123474
Unique aggregates announced from the RIPE address blocks: 79312
RIPE Region origin ASes present in the Internet Routing Table: 17574
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8307
RIPE Region transit ASes present in the Internet Routing Table: 2823
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 53
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2535
Number of RIPE addresses announced to Internet: 655728356
Equivalent to 39 /8s, 21 /16s and 158 /24s
Percentage of available RIPE address space announced: 95.3
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: 53505
Total LACNIC prefixes after maximum aggregation: 10039
LACNIC Deaggregation factor: 5.33
Prefixes being announced from the LACNIC address blocks: 58941
Unique aggregates announced from the LACNIC address blocks: 27508
LACNIC Region origin ASes present in the Internet Routing Table: 2058
LACNIC Prefixes per ASN: 28.64
LACNIC Region origin ASes announcing only one prefix: 547
LACNIC Region transit ASes present in the Internet Routing Table: 400
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 933
Number of LACNIC addresses announced to Internet: 146707256
Equivalent to 8 /8s, 190 /16s and 147 /24s
Percentage of available LACNIC address space announced: 87.4
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: 11790
Total AfriNIC prefixes after maximum aggregation: 2611
AfriNIC Deaggregation factor: 4.52
Prefixes being announced from the AfriNIC address blocks: 12452
Unique aggregates announced from the AfriNIC address blocks: 4243
AfriNIC Region origin ASes present in the Internet Routing Table: 699
AfriNIC Prefixes per ASN: 17.81
AfriNIC Region origin ASes announcing only one prefix: 208
AfriNIC Region transit ASes present in the Internet Routing Table: 148
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 8
Number of AfriNIC addresses announced to Internet: 48613248
Equivalent to 2 /8s, 229 /16s and 199 /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 2948 11558 952 Korea Telecom (KIX)
17974 2732 902 88 PT TELEKOMUNIKASI INDONESIA
7545 2121 319 112 TPG Internet Pty Ltd
4755 1803 392 191 TATA Communications formerly
9829 1559 1251 42 BSNL National Internet Backbo
9583 1327 104 548 Sify Limited
9498 1229 309 72 BHARTI Airtel Ltd.
7552 1176 1080 13 Vietel Corporation
4808 1141 2119 342 CNCGROUP IP network: China169
24560 1098 382 167 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 3028 3688 53 BellSouth.net Inc.
22773 2303 2939 139 Cox Communications, Inc.
1785 2146 686 131 PaeTec Communications, Inc.
18566 2050 379 178 MegaPath Corporation
20115 1680 1661 597 Charter Communications
4323 1630 1081 413 Time Warner Telecom
701 1507 11144 780 MCI Communications Services,
30036 1375 309 574 Mediacom Communications Corp
7018 1307 17746 857 AT&T WorldNet Services
6983 1295 756 580 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 1970 544 16 OJSC "Vimpelcom"
34984 1367 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1213 458 914 Akamai Technologies European
31148 1011 45 19 FreeNet ISP
13188 899 99 42 TOV "Bank-Inform"
6849 859 363 38 JSC UKRTELECOM,
8551 845 370 38 Bezeq International
6830 772 2327 425 UPC Distribution Services
12479 683 798 53 Uni2 Autonomous System
35228 551 246 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 3426 1839 90 NET Servicos de Comunicao S.A
10620 2689 435 209 Telmex Colombia S.A.
18881 1778 908 20 Global Village Telecom
7303 1742 1163 229 Telecom Argentina Stet-France
8151 1371 2854 429 UniNet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 857 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 1819 112 5 Sudanese Mobile Telephone (ZA
24863 891 338 26 LINKdotNET AS number
6713 598 653 27 Itissalat Al-MAGHRIB
8452 419 956 9 TEDATA
24835 298 144 9 RAYA Telecom - Egypt
3741 247 921 209 The Internet Solution
36992 247 526 30 Etisalat MISR
29571 238 21 14 Ci Telecom Autonomous system
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 3426 1839 90 NET Servicos de Comunicao S.A
6389 3028 3688 53 BellSouth.net Inc.
4766 2948 11558 952 Korea Telecom (KIX)
17974 2732 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2689 435 209 Telmex Colombia S.A.
22773 2303 2939 139 Cox Communications, Inc.
1785 2146 686 131 PaeTec Communications, Inc.
7545 2121 319 112 TPG Internet Pty Ltd
18566 2050 379 178 MegaPath Corporation
8402 1970 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 3028 2975 BellSouth.net Inc.
17974 2732 2644 PT TELEKOMUNIKASI INDONESIA
10620 2689 2480 Telmex Colombia S.A.
22773 2303 2164 Cox Communications, Inc.
1785 2146 2015 PaeTec Communications, Inc.
7545 2121 2009 TPG Internet Pty Ltd
4766 2948 1996 Korea Telecom (KIX)
8402 1970 1954 OJSC "Vimpelcom"
18566 2050 1872 MegaPath Corporation
36998 1819 1814 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
/13:473 /14:936 /15:1636 /16:12854 /17:6756 /18:11348
/19:23204 /20:33012 /21:35771 /22:50581 /23:44029 /24:252395
/25:833 /26:985 /27:448 /28:48 /29:72 /30:26
/31:0 /32:15
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2005 2050 MegaPath Corporation
36998 1786 1819 Sudanese Mobile Telephone (ZA
6389 1699 3028 BellSouth.net Inc.
8402 1675 1970 OJSC "Vimpelcom"
22773 1553 2303 Cox Communications, Inc.
30036 1216 1375 Mediacom Communications Corp
1785 1163 2146 PaeTec Communications, Inc.
11492 1148 1185 Cable One
6983 1037 1295 ITC^Deltacom
22561 977 1252 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:922 2:873 3:3 4:16 5:791 6:21
8:618 12:1883 13:3 14:900 15:9 16:3
17:19 18:19 20:34 23:615 24:1756 27:1702
31:1502 32:46 33:2 34:5 36:105 37:1911
38:923 39:3 40:182 41:3217 42:238 44:14
46:2104 47:10 49:705 50:859 52:12 54:44
55:5 56:4 57:26 58:1143 59:588 60:370
61:1499 62:1227 63:1977 64:4401 65:2333 66:4136
67:2114 68:1086 69:3293 70:909 71:511 72:2025
74:2585 75:322 76:305 77:1209 78:1031 79:677
80:1287 81:1085 82:644 83:755 84:629 85:1267
86:383 87:1011 88:521 89:1566 90:150 91:5730
92:624 93:1604 94:2098 95:1506 96:519 97:351
98:1082 99:41 100:32 101:693 103:3865 105:533
106:144 107:249 108:548 109:2050 110:967 111:1137
112:606 113:814 114:754 115:1046 116:1009 117:831
118:1240 119:1279 120:340 121:771 122:1884 123:1255
124:1388 125:1449 128:636 129:232 130:357 131:663
132:355 133:159 134:309 135:73 136:276 137:252
138:352 139:171 140:200 141:349 142:550 143:405
144:498 145:90 146:542 147:439 148:776 149:359
150:153 151:476 152:412 153:208 154:51 155:523
156:312 157:419 158:285 159:787 160:359 161:459
162:950 163:252 164:628 165:586 166:280 167:641
168:1042 169:123 170:1151 171:185 172:12 173:1712
174:675 175:546 176:1329 177:2594 178:1887 179:345
180:1603 181:913 182:1422 183:476 184:623 185:1137
186:2778 187:1470 188:1956 189:1253 190:7315 192:7070
193:5466 194:4030 195:3380 196:1347 197:1072 198:4793
199:5527 200:6064 201:2533 202:9006 203:8925 204:4529
205:2631 206:2905 207:2819 208:3954 209:3701 210:3080
211:1632 212:2193 213:1969 214:875 215:84 216:5433
217:1725 218:623 219:322 220:1273 221:587 222:332
223:562
End of report
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