[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 4 18:14:02 UTC 2014
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.
Daily listings are sent to bgp-stats at lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
Routing Table Report 04:00 +10GMT Sat 05 Apr, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 491178
Prefixes after maximum aggregation: 192805
Deaggregation factor: 2.55
Unique aggregates announced to Internet: 242078
Total ASes present in the Internet Routing Table: 46547
Prefixes per ASN: 10.55
Origin-only ASes present in the Internet Routing Table: 35729
Origin ASes announcing only one prefix: 16379
Transit ASes present in the Internet Routing Table: 6052
Transit-only ASes present in the Internet Routing Table: 172
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: 1892
Unregistered ASNs in the Routing Table: 474
Number of 32-bit ASNs allocated by the RIRs: 6323
Number of 32-bit ASNs visible in the Routing Table: 4766
Prefixes from 32-bit ASNs in the Routing Table: 15525
Number of bogon 32-bit ASNs visible in the Routing Table: 78
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 446
Number of addresses announced to Internet: 2665473028
Equivalent to 158 /8s, 223 /16s and 228 /24s
Percentage of available address space announced: 72.0
Percentage of allocated address space announced: 72.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 96.0
Total number of prefixes smaller than registry allocations: 171352
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 116725
Total APNIC prefixes after maximum aggregation: 34817
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 119479
Unique aggregates announced from the APNIC address blocks: 49894
APNIC Region origin ASes present in the Internet Routing Table: 4915
APNIC Prefixes per ASN: 24.31
APNIC Region origin ASes announcing only one prefix: 1229
APNIC Region transit ASes present in the Internet Routing Table: 850
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 25
Number of APNIC region 32-bit ASNs visible in the Routing Table: 891
Number of APNIC addresses announced to Internet: 730414720
Equivalent to 43 /8s, 137 /16s and 62 /24s
Percentage of available APNIC address space announced: 85.4
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: 167494
Total ARIN prefixes after maximum aggregation: 83096
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 168900
Unique aggregates announced from the ARIN address blocks: 78489
ARIN Region origin ASes present in the Internet Routing Table: 16209
ARIN Prefixes per ASN: 10.42
ARIN Region origin ASes announcing only one prefix: 6112
ARIN Region transit ASes present in the Internet Routing Table: 1671
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 80
Number of ARIN addresses announced to Internet: 1069441152
Equivalent to 63 /8s, 190 /16s and 96 /24s
Percentage of available ARIN address space announced: 56.6
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: 123273
Total RIPE prefixes after maximum aggregation: 62194
RIPE Deaggregation factor: 1.98
Prefixes being announced from the RIPE address blocks: 127488
Unique aggregates announced from the RIPE address blocks: 80791
RIPE Region origin ASes present in the Internet Routing Table: 17658
RIPE Prefixes per ASN: 7.22
RIPE Region origin ASes announcing only one prefix: 8283
RIPE Region transit ASes present in the Internet Routing Table: 2873
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: 2686
Number of RIPE addresses announced to Internet: 657873284
Equivalent to 39 /8s, 54 /16s and 89 /24s
Percentage of available RIPE address space announced: 95.6
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, 196608-202239
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: 55600
Total LACNIC prefixes after maximum aggregation: 10002
LACNIC Deaggregation factor: 5.56
Prefixes being announced from the LACNIC address blocks: 61721
Unique aggregates announced from the LACNIC address blocks: 28279
LACNIC Region origin ASes present in the Internet Routing Table: 2085
LACNIC Prefixes per ASN: 29.60
LACNIC Region origin ASes announcing only one prefix: 550
LACNIC Region transit ASes present in the Internet Routing Table: 427
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1089
Number of LACNIC addresses announced to Internet: 154294400
Equivalent to 9 /8s, 50 /16s and 88 /24s
Percentage of available LACNIC address space announced: 92.0
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: 12458
Total AfriNIC prefixes after maximum aggregation: 2659
AfriNIC Deaggregation factor: 4.69
Prefixes being announced from the AfriNIC address blocks: 13144
Unique aggregates announced from the AfriNIC address blocks: 4247
AfriNIC Region origin ASes present in the Internet Routing Table: 717
AfriNIC Prefixes per ASN: 18.33
AfriNIC Region origin ASes announcing only one prefix: 205
AfriNIC Region transit ASes present in the Internet Routing Table: 152
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 20
Number of AfriNIC addresses announced to Internet: 53136640
Equivalent to 3 /8s, 42 /16s and 205 /24s
Percentage of available AfriNIC address space announced: 52.8
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 2963 11582 897 Korea Telecom
17974 2780 903 78 PT Telekomunikasi Indonesia
7545 2230 320 116 TPG Telecom Limited
4755 1844 396 197 TATA Communications formerly
9829 1618 1288 35 National Internet Backbone
4808 1365 2226 386 CNCGROUP IP network China169
9583 1317 102 534 Sify Limited
9498 1252 313 82 BHARTI Airtel Ltd.
7552 1223 1082 13 Viettel Corporation
24560 1123 384 177 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 3005 3688 53 BellSouth.net Inc.
22773 2412 2938 140 Cox Communications Inc.
1785 2188 696 126 PaeTec Communications, Inc.
18566 2047 379 178 MegaPath Corporation
20115 1699 1679 576 Charter Communications
4323 1636 1074 415 tw telecom holdings, inc.
701 1482 11156 753 MCI Communications Services,
30036 1395 301 545 Mediacom Communications Corp
6983 1327 800 307 ITC^Deltacom
22561 1304 402 232 CenturyTel Internet Holdings,
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 1674 544 16 OJSC "Vimpelcom"
34984 1556 263 279 TELLCOM ILETISIM HIZMETLERI A
20940 1278 486 963 Akamai International B.V.
13188 1049 100 28 TOV "Bank-Inform"
31148 1017 45 21 Freenet Ltd.
8551 965 370 41 Bezeq International-Ltd
6849 830 360 30 JSC "Ukrtelecom"
6830 763 2329 426 Liberty Global Operations B.V
12479 714 797 56 France Telecom Espana SA
35228 554 246 16 Telefonica UK 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 3672 1948 97 NET Serviços de Comunicação S
10620 2817 451 205 Telmex Colombia S.A.
18881 1923 972 21 Global Village Telecom
7303 1753 1173 229 Telecom Argentina S.A.
8151 1395 2922 405 Uninet S.A. de C.V.
6503 1154 434 61 Axtel, S.A.B. de C.V.
7738 914 1754 40 Telemar Norte Leste S.A.
27947 864 114 50 Telconet S.A
11830 844 364 15 Instituto Costarricense de El
3816 792 320 129 COLOMBIA TELECOMUNICACIONES S
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 1637 240 6 Sudanese Mobile Telephone (ZA
24863 948 280 26 Link Egypt (Link.NET)
6713 612 721 27 Office National des Postes et
8452 567 958 13 TE-AS
24835 304 144 9 Vodafone Data
36992 284 783 24 ETISALAT MISR
3741 248 921 209 Internet Solutions
15706 219 32 6 Sudatel (Sudan Telecom Co. Lt
29571 218 22 18 Cote d'Ivoire Telecom
37054 215 23 11 Data Telecom Service
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 3672 1948 97 NET Serviços de Comunicação S
6389 3005 3688 53 BellSouth.net Inc.
4766 2963 11582 897 Korea Telecom
10620 2817 451 205 Telmex Colombia S.A.
17974 2780 903 78 PT Telekomunikasi Indonesia
22773 2412 2938 140 Cox Communications Inc.
7545 2230 320 116 TPG Telecom Limited
1785 2188 696 126 PaeTec Communications, Inc.
18566 2047 379 178 MegaPath Corporation
18881 1923 972 21 Global Village Telecom
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 3005 2952 BellSouth.net Inc.
17974 2780 2702 PT Telekomunikasi Indonesia
10620 2817 2612 Telmex Colombia S.A.
22773 2412 2272 Cox Communications Inc.
7545 2230 2114 TPG Telecom Limited
4766 2963 2066 Korea Telecom
1785 2188 2062 PaeTec Communications, Inc.
18881 1923 1902 Global Village Telecom
18566 2047 1869 MegaPath Corporation
8402 1674 1658 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
65456 PRIVATE 5.109.32.0/19 23456 32bit Transition AS
65456 PRIVATE 5.109.96.0/19 23456 32bit Transition AS
30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.192.0/23 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.196.0/22 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.200.0/23 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.202.0/23 3356 Level 3 Communicatio
53506 UNALLOCATED 8.17.102.0/23 2828 XO Communications
20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 >>UNKNOWN<<
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 37004 >>UNKNOWN<<
41.73.10.0/24 37004 >>UNKNOWN<<
41.73.11.0/24 37004 >>UNKNOWN<<
41.73.12.0/24 37004 >>UNKNOWN<<
41.73.13.0/24 37004 >>UNKNOWN<<
41.73.14.0/24 37004 >>UNKNOWN<<
41.73.15.0/24 37004 >>UNKNOWN<<
41.73.16.0/24 37004 >>UNKNOWN<<
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 /9:12 /10:30 /11:90 /12:257
/13:478 /14:954 /15:1660 /16:12904 /17:6802 /18:11542
/19:24042 /20:33931 /21:36636 /22:52400 /23:45878 /24:261200
/25:846 /26:1001 /27:420 /28:13 /29:19 /30:8
/31:1 /32:38
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2002 2047 MegaPath Corporation
6389 1695 3005 BellSouth.net Inc.
22773 1650 2412 Cox Communications Inc.
36998 1599 1637 Sudanese Mobile Telephone (ZA
8402 1349 1674 OJSC "Vimpelcom"
30036 1233 1395 Mediacom Communications Corp
11492 1182 1230 CABLE ONE, INC.
1785 1166 2188 PaeTec Communications, Inc.
6983 1044 1327 ITC^Deltacom
34984 1023 1556 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1020 2:704 3:3 4:15 5:925 6:19
8:721 12:1858 13:4 14:971 15:13 16:2
17:31 18:21 20:35 23:775 24:1736 25:1
27:1779 31:1524 32:40 33:2 34:5 36:128
37:1830 38:942 39:4 40:197 41:3249 42:245
44:15 46:2184 47:18 49:682 50:918 52:12
54:46 55:6 57:27 58:1169 59:604 60:390
61:1530 62:1247 63:1989 64:4350 65:2271 66:4167
67:2057 68:1033 69:3319 70:843 71:452 72:1988
74:2646 75:314 76:426 77:1467 78:1031 79:718
80:1309 81:1142 82:733 83:742 84:706 85:1235
86:438 87:1194 88:521 89:1793 90:140 91:5753
92:663 93:1699 94:2066 95:1524 96:540 97:350
98:1074 99:46 100:50 101:835 103:4566 105:536
106:169 107:583 108:561 109:2053 110:981 111:1285
112:656 113:846 114:880 115:1109 116:1065 117:875
118:1389 119:1333 120:372 121:802 122:1909 123:1290
124:1466 125:1460 128:660 129:322 130:352 131:652
132:386 133:163 134:318 135:74 136:249 137:321
138:353 139:167 140:211 141:356 142:569 143:427
144:500 145:103 146:614 147:440 148:923 149:349
150:161 151:599 152:423 153:219 154:243 155:471
156:336 157:339 158:239 159:881 160:344 161:478
162:1301 163:222 164:682 165:613 166:281 167:605
168:1025 169:124 170:1313 171:191 172:21 173:1650
174:688 175:616 176:1474 177:2863 178:1977 179:653
180:1680 181:1091 182:1529 183:510 184:705 185:1472
186:2790 187:1489 188:1914 189:1452 190:7415 191:165
192:7187 193:5471 194:4025 195:3372 196:1399 197:1137
198:5008 199:5621 200:6074 201:2641 202:9041 203:8911
204:4679 205:2694 206:2960 207:2981 208:4004 209:3729
210:3101 211:1707 212:2225 213:2074 214:900 215:85
216:5525 217:1694 218:582 219:319 220:1282 221:594
222:351 223:617
End of report
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