* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 04 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 471275
Prefixes after maximum aggregation: 189186
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 233696
Total ASes present in the Internet Routing Table: 45361
Prefixes per ASN: 10.39
Origin-only ASes present in the Internet Routing Table: 35325
Origin ASes announcing only one prefix: 16265
Transit ASes present in the Internet Routing Table: 5943
Transit-only ASes present in the Internet Routing Table: 164
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) 31
Prefixes from unregistered ASNs in the Routing Table: 720
Unregistered ASNs in the Routing Table: 194
Number of 32-bit ASNs allocated by the RIRs: 5299
Number of 32-bit ASNs visible in the Routing Table: 4093
Prefixes from 32-bit ASNs in the Routing Table: 12752
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 930
Number of addresses announced to Internet: 2653669804
Equivalent to 158 /8s, 43 /16s and 201 /24s
Percentage of available address space announced: 71.7
Percentage of allocated address space announced: 71.7
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: 164869
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111610
Total APNIC prefixes after maximum aggregation: 33900
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 113731
Unique aggregates announced from the APNIC address blocks: 47339
APNIC Region origin ASes present in the Internet Routing Table: 4881
APNIC Prefixes per ASN: 23.30
APNIC Region origin ASes announcing only one prefix: 1213
APNIC Region transit ASes present in the Internet Routing Table: 832
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 724
Number of APNIC addresses announced to Internet: 729890752
Equivalent to 43 /8s, 129 /16s and 63 /24s
Percentage of available APNIC address space announced: 85.3
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: 162806
Total ARIN prefixes after maximum aggregation: 81548
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163659
Unique aggregates announced from the ARIN address blocks: 75872
ARIN Region origin ASes present in the Internet Routing Table: 15918
ARIN Prefixes per ASN: 10.28
ARIN Region origin ASes announcing only one prefix: 6007
ARIN Region transit ASes present in the Internet Routing Table: 1665
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: 33
Number of ARIN addresses announced to Internet: 1073456256
Equivalent to 63 /8s, 251 /16s and 164 /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: 119398
Total RIPE prefixes after maximum aggregation: 61107
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 123059
Unique aggregates announced from the RIPE address blocks: 78920
RIPE Region origin ASes present in the Internet Routing Table: 17514
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8296
RIPE Region transit ASes present in the Internet Routing Table: 2842
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2452
Number of RIPE addresses announced to Internet: 656500580
Equivalent to 39 /8s, 33 /16s and 103 /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: 52480
Total LACNIC prefixes after maximum aggregation: 9927
LACNIC Deaggregation factor: 5.29
Prefixes being announced from the LACNIC address blocks: 57594
Unique aggregates announced from the LACNIC address blocks: 26814
LACNIC Region origin ASes present in the Internet Routing Table: 2030
LACNIC Prefixes per ASN: 28.37
LACNIC Region origin ASes announcing only one prefix: 553
LACNIC Region transit ASes present in the Internet Routing Table: 389
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: 878
Number of LACNIC addresses announced to Internet: 142314504
Equivalent to 8 /8s, 123 /16s and 140 /24s
Percentage of available LACNIC address space announced: 84.8
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: 11649
Total AfriNIC prefixes after maximum aggregation: 2571
AfriNIC Deaggregation factor: 4.53
Prefixes being announced from the AfriNIC address blocks: 12302
Unique aggregates announced from the AfriNIC address blocks: 4001
AfriNIC Region origin ASes present in the Internet Routing Table: 669
AfriNIC Prefixes per ASN: 18.39
AfriNIC Region origin ASes announcing only one prefix: 196
AfriNIC Region transit ASes present in the Internet Routing Table: 134
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: 6
Number of AfriNIC addresses announced to Internet: 48049664
Equivalent to 2 /8s, 221 /16s and 46 /24s
Percentage of available AfriNIC address space announced: 47.7
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 2936 11558 944 Korea Telecom (KIX)
17974 2710 903 89 PT TELEKOMUNIKASI INDONESIA
7545 2101 319 111 TPG Internet Pty Ltd
4755 1787 391 188 TATA Communications formerly
9829 1552 1242 48 BSNL National Internet Backbo
9498 1210 309 74 BHARTI Airtel Ltd.
9583 1189 91 512 Sify Limited
4808 1158 2128 342 CNCGROUP IP network: China169
7552 1158 1080 13 Vietel Corporation
24560 1093 380 166 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 3056 3688 56 BellSouth.net Inc.
22773 2188 2939 138 Cox Communications, Inc.
18566 2058 379 179 MegaPath Corporation
1785 2036 684 130 PaeTec Communications, Inc.
20115 1681 1654 607 Charter Communications
4323 1627 1102 420 Time Warner Telecom
701 1506 11145 781 MCI Communications Services,
30036 1388 313 578 Mediacom Communications Corp
7018 1338 17795 873 AT&T WorldNet Services
6983 1293 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 1824 544 17 OJSC "Vimpelcom"
34984 1363 244 223 TELLCOM ILETISIM HIZMETLERI A
20940 1108 404 839 Akamai Technologies European
31148 1005 44 18 FreeNet ISP
13188 888 99 49 TOV "Bank-Inform"
6849 861 356 30 JSC UKRTELECOM,
6830 771 2327 423 UPC Distribution Services
8551 759 370 41 Bezeq International
12479 675 798 55 Uni2 Autonomous System
35228 542 246 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 3438 1783 83 NET Servicos de Comunicao S.A
10620 2642 428 237 TVCABLE BOGOTA
7303 1724 1144 233 Telecom Argentina Stet-France
18881 1537 844 20 Global Village Telecom
8151 1327 2835 407 UniNet S.A. de C.V.
11830 866 364 15 Instituto Costarricense de El
27947 819 94 94 Telconet S.A
6147 792 373 27 Telefonica Del Peru
6503 784 434 63 AVANTEL, S.A.
7738 780 1498 36 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
36998 1854 112 5 Sudanese Mobile Telephone (ZA
24863 884 338 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 410 956 9 TEDATA
24835 294 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
36992 227 501 29 Etisalat MISR
29571 224 17 12 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 3438 1783 83 NET Servicos de Comunicao S.A
6389 3056 3688 56 BellSouth.net Inc.
4766 2936 11558 944 Korea Telecom (KIX)
17974 2710 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2642 428 237 TVCABLE BOGOTA
22773 2188 2939 138 Cox Communications, Inc.
7545 2101 319 111 TPG Internet Pty Ltd
18566 2058 379 179 MegaPath Corporation
1785 2036 684 130 PaeTec Communications, Inc.
36998 1854 112 5 Sudanese Mobile Telephone (ZA
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 3056 3000 BellSouth.net Inc.
17974 2710 2621 PT TELEKOMUNIKASI INDONESIA
10620 2642 2405 TVCABLE BOGOTA
22773 2188 2050 Cox Communications, Inc.
4766 2936 1992 Korea Telecom (KIX)
7545 2101 1990 TPG Internet Pty Ltd
1785 2036 1906 PaeTec Communications, Inc.
18566 2058 1879 MegaPath Corporation
36998 1854 1849 Sudanese Mobile Telephone (ZA
8402 1824 1807 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
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
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
17300 UNALLOCATED 12.45.110.0/24 701 MCI Communications S
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 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
100.100.0.0/24 4847 China Networks Inter-Exchange
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.90.192.0/18 36086 Broad Communications Technolo
23.91.0.0/19 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 40676 Psychz Networks
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
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 /12:254
/13:474 /14:920 /15:1628 /16:12845 /17:6736 /18:11326
/19:23003 /20:32747 /21:35519 /22:50176 /23:43851 /24:249253
/25:826 /26:982 /27:455 /28:39 /29:66 /30:11
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2012 2058 MegaPath Corporation
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1709 3056 BellSouth.net Inc.
8402 1522 1824 OJSC "Vimpelcom"
22773 1454 2188 Cox Communications, Inc.
30036 1235 1388 Mediacom Communications Corp
11492 1200 1241 Cable One
1785 1086 2036 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
22561 969 1246 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:880 2:823 3:3 4:17 5:1016 6:21
8:616 12:1890 13:3 14:890 15:11 16:3
17:18 18:19 20:21 23:513 24:1741 27:1606
31:1488 32:45 33:2 34:5 36:81 37:1886
38:922 39:4 40:181 41:3203 42:246 44:14
46:2029 47:10 49:683 50:847 52:12 54:42
55:5 56:2 57:26 58:1154 59:576 60:373
61:1465 62:1211 63:1984 64:4372 65:2347 66:4139
67:2100 68:1103 69:3318 70:873 71:489 72:2038
74:2561 75:328 76:306 77:1177 78:1072 79:644
80:1293 81:1018 82:675 83:632 84:587 85:1250
86:421 87:1010 88:561 89:1598 90:150 91:5651
92:614 93:1599 94:2030 95:1591 96:509 97:346
98:1045 99:42 100:31 101:620 103:3527 105:528
106:142 107:214 108:534 109:1913 110:959 111:1109
112:595 113:811 114:753 115:1051 116:1008 117:836
118:1170 119:1286 120:365 121:751 122:1875 123:1254
124:1364 125:1431 128:646 129:229 130:332 131:666
132:366 133:157 134:553 135:67 136:277 137:269
138:350 139:177 140:193 141:333 142:540 143:404
144:495 145:87 146:524 147:393 148:696 149:367
150:155 151:587 152:411 153:205 154:51 155:491
156:289 157:424 158:278 159:771 160:360 161:459
162:823 163:224 164:633 165:581 166:258 167:631
168:1043 169:128 170:1115 171:182 172:25 173:1605
174:687 175:515 176:1274 177:2368 178:1963 179:202
180:1582 181:795 182:1344 183:457 184:665 185:988
186:2675 187:1498 188:1840 189:1269 190:7255 192:7091
193:5412 194:4034 195:3352 196:1322 197:1016 198:4751
199:5480 200:6084 201:2527 202:8968 203:8920 204:4528
205:2652 206:2837 207:2830 208:3982 209:3642 210:3009
211:1570 212:2142 213:1984 214:895 215:92 216:5391
217:1681 218:626 219:323 220:1279 221:567 222:327
223:509
End of report
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