* BGP Routing Table Analysis Reports *
Routing Table Report 09:00 +10GMT Fri 06 Dec, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 466810
Prefixes after maximum aggregation: 188500
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 234564
Total ASes present in the Internet Routing Table: 45460
Prefixes per ASN: 10.27
Origin-only ASes present in the Internet Routing Table: 35415
Origin ASes announcing only one prefix: 16250
Transit ASes present in the Internet Routing Table: 5808
Transit-only ASes present in the Internet Routing Table: 155
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: 990
Unregistered ASNs in the Routing Table: 263
Number of 32-bit ASNs allocated by the RIRs: 5446
Number of 32-bit ASNs visible in the Routing Table: 4237
Prefixes from 32-bit ASNs in the Routing Table: 13138
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: 1322
Number of addresses announced to Internet: 2654275936
Equivalent to 158 /8s, 53 /16s and 9 /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: 95.3
Total number of prefixes smaller than registry allocations: 162864
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108070
Total APNIC prefixes after maximum aggregation: 33489
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 110280
Unique aggregates announced from the APNIC address blocks: 47677
APNIC Region origin ASes present in the Internet Routing Table: 4842
APNIC Prefixes per ASN: 22.78
APNIC Region origin ASes announcing only one prefix: 1225
APNIC Region transit ASes present in the Internet Routing Table: 817
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: 770
Number of APNIC addresses announced to Internet: 727094272
Equivalent to 43 /8s, 86 /16s and 148 /24s
Percentage of available APNIC address space announced: 85.0
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: 161699
Total ARIN prefixes after maximum aggregation: 81303
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162423
Unique aggregates announced from the ARIN address blocks: 75575
ARIN Region origin ASes present in the Internet Routing Table: 15858
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 5990
ARIN Region transit ASes present in the Internet Routing Table: 1609
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: 41
Number of ARIN addresses announced to Internet: 1072445952
Equivalent to 63 /8s, 236 /16s and 58 /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: 118949
Total RIPE prefixes after maximum aggregation: 61053
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122728
Unique aggregates announced from the RIPE address blocks: 78925
RIPE Region origin ASes present in the Internet Routing Table: 17518
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8278
RIPE Region transit ASes present in the Internet Routing Table: 2789
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2510
Number of RIPE addresses announced to Internet: 655819104
Equivalent to 39 /8s, 23 /16s and 1 /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: 52564
Total LACNIC prefixes after maximum aggregation: 9856
LACNIC Deaggregation factor: 5.33
Prefixes being announced from the LACNIC address blocks: 57719
Unique aggregates announced from the LACNIC address blocks: 27313
LACNIC Region origin ASes present in the Internet Routing Table: 2038
LACNIC Prefixes per ASN: 28.32
LACNIC Region origin ASes announcing only one prefix: 555
LACNIC Region transit ASes present in the Internet Routing Table: 384
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 908
Number of LACNIC addresses announced to Internet: 145954560
Equivalent to 8 /8s, 179 /16s and 23 /24s
Percentage of available LACNIC address space announced: 87.0
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: 11699
Total AfriNIC prefixes after maximum aggregation: 2574
AfriNIC Deaggregation factor: 4.55
Prefixes being announced from the AfriNIC address blocks: 12338
Unique aggregates announced from the AfriNIC address blocks: 4028
AfriNIC Region origin ASes present in the Internet Routing Table: 686
AfriNIC Prefixes per ASN: 17.99
AfriNIC Region origin ASes announcing only one prefix: 202
AfriNIC Region transit ASes present in the Internet Routing Table: 136
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: 8
Number of AfriNIC addresses announced to Internet: 48545280
Equivalent to 2 /8s, 228 /16s and 190 /24s
Percentage of available AfriNIC address space announced: 48.2
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 2720 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2139 11550 641 Korea Telecom (KIX)
7545 2095 319 109 TPG Internet Pty Ltd
4755 1778 391 189 TATA Communications formerly
9829 1538 1245 45 BSNL National Internet Backbo
9583 1328 103 542 Sify Limited
9498 1218 309 73 BHARTI Airtel Ltd.
7552 1167 1080 13 Vietel Corporation
24560 1098 382 166 Bharti Airtel Ltd., Telemedia
4808 1079 2020 308 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 3039 3688 53 BellSouth.net Inc.
22773 2214 2939 138 Cox Communications, Inc.
18566 2053 379 178 MegaPath Corporation
1785 2047 686 132 PaeTec Communications, Inc.
20115 1684 1657 600 Charter Communications
4323 1646 1114 418 Time Warner Telecom
701 1508 11144 779 MCI Communications Services,
30036 1381 311 581 Mediacom Communications Corp
7018 1338 17797 876 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 1849 544 16 OJSC "Vimpelcom"
34984 1367 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1180 446 889 Akamai Technologies European
31148 1010 45 20 FreeNet ISP
13188 898 99 42 TOV "Bank-Inform"
6849 856 363 39 JSC UKRTELECOM,
8551 784 370 41 Bezeq International
6830 774 2328 426 UPC Distribution Services
12479 679 798 53 Uni2 Autonomous System
35228 547 246 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 3402 1827 109 NET Servicos de Comunicao S.A
10620 2674 433 214 Telmex Colombia S.A.
7303 1735 1161 230 Telecom Argentina Stet-France
18881 1708 908 20 Global Village Telecom
8151 1355 2852 418 UniNet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 823 94 90 Telconet S.A
6147 795 373 27 Telefonica Del Peru
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6503 773 434 61 AVANTEL, S.A.
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 1854 112 5 Sudanese Mobile Telephone (ZA
24863 871 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 412 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 247 921 209 The Internet Solution
29571 231 21 15 Ci Telecom Autonomous system
36992 222 501 29 Etisalat MISR
15706 219 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 3402 1827 109 NET Servicos de Comunicao S.A
6389 3039 3688 53 BellSouth.net Inc.
17974 2720 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2674 433 214 Telmex Colombia S.A.
22773 2214 2939 138 Cox Communications, Inc.
4766 2139 11550 641 Korea Telecom (KIX)
7545 2095 319 109 TPG Internet Pty Ltd
18566 2053 379 178 MegaPath Corporation
1785 2047 686 132 PaeTec Communications, Inc.
36998 1854 112 5 Sudanese Mobile Telephone (ZA
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 3039 2986 BellSouth.net Inc.
17974 2720 2632 PT TELEKOMUNIKASI INDONESIA
10620 2674 2460 Telmex Colombia S.A.
22773 2214 2076 Cox Communications, Inc.
7545 2095 1986 TPG Internet Pty Ltd
1785 2047 1915 PaeTec Communications, Inc.
18566 2053 1875 MegaPath Corporation
36998 1854 1849 Sudanese Mobile Telephone (ZA
8402 1849 1833 OJSC "Vimpelcom"
18881 1708 1688 Global Village Telecom
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 4323 Time Warner Telecom
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
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 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.
23.91.0.0/19 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/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
/13:471 /14:922 /15:1619 /16:12781 /17:6692 /18:11085
/19:22868 /20:32776 /21:35376 /22:49572 /23:43542 /24:248574
/25:43 /26:32 /27:17 /28:18 /29:8 /30:2
/31:0 /32:9
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2008 2053 MegaPath Corporation
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1700 3039 BellSouth.net Inc.
8402 1556 1849 OJSC "Vimpelcom"
22773 1467 2214 Cox Communications, Inc.
30036 1221 1381 Mediacom Communications Corp
11492 1183 1221 Cable One
1785 1087 2047 PaeTec Communications, Inc.
6983 1035 1294 ITC^Deltacom
22561 964 1240 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/us/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:923 2:824 3:3 4:16 5:805 6:21
8:607 12:1876 13:3 14:878 15:11 16:3
17:19 18:19 20:25 23:614 24:1750 27:1700
31:1510 32:43 33:2 34:5 36:96 37:1940
38:913 39:5 40:181 41:3239 42:228 44:12
46:2050 47:10 49:701 50:855 52:12 54:44
55:4 56:4 57:26 58:1067 59:577 60:366
61:1467 62:1245 63:1974 64:4395 65:2324 66:4135
67:2104 68:1085 69:3294 70:896 71:504 72:2001
74:2577 75:324 76:293 77:1217 78:1008 79:669
80:1280 81:1052 82:630 83:755 84:584 85:1252
86:381 87:1040 88:547 89:1571 90:155 91:5692
92:613 93:1610 94:2116 95:1513 96:511 97:349
98:1096 99:41 100:32 101:442 103:3744 105:530
106:143 107:222 108:518 109:2009 110:969 111:1119
112:577 113:800 114:730 115:1000 116:997 117:809
118:1214 119:1262 120:331 121:731 122:1779 123:1243
124:1353 125:1436 128:598 129:217 130:338 131:662
132:343 133:158 134:292 135:72 136:276 137:264
138:352 139:165 140:172 141:328 142:537 143:407
144:498 145:90 146:542 147:417 148:725 149:367
150:150 151:486 152:414 153:207 154:45 155:515
156:303 157:368 158:284 159:695 160:361 161:450
162:912 163:205 164:625 165:573 166:274 167:638
168:1037 169:121 170:1123 171:185 172:11 173:1625
174:667 175:523 176:1300 177:2483 178:1869 179:314
180:1598 181:889 182:1402 183:475 184:619 185:1088
186:2629 187:1453 188:1940 189:1250 190:7254 192:7002
193:5416 194:4031 195:3356 196:1336 197:1035 198:4697
199:5476 200:6033 201:2523 202:8788 203:8811 204:4452
205:2632 206:2802 207:2730 208:3954 209:3651 210:2943
211:1582 212:2173 213:1990 214:885 215:84 216:5396
217:1710 218:627 219:311 220:1263 221:587 222:330
223:511
End of report
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