[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 23 18:12:26 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 24 May, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 495622
Prefixes after maximum aggregation: 194181
Deaggregation factor: 2.55
Unique aggregates announced to Internet: 244818
Total ASes present in the Internet Routing Table: 46929
Prefixes per ASN: 10.56
Origin-only ASes present in the Internet Routing Table: 35829
Origin ASes announcing only one prefix: 16362
Transit ASes present in the Internet Routing Table: 6102
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: 53
Max AS path prepend of ASN ( 50404) 51
Prefixes from unregistered ASNs in the Routing Table: 1728
Unregistered ASNs in the Routing Table: 457
Number of 32-bit ASNs allocated by the RIRs: 6690
Number of 32-bit ASNs visible in the Routing Table: 4998
Prefixes from 32-bit ASNs in the Routing Table: 16799
Number of bogon 32-bit ASNs visible in the Routing Table: 144
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 434
Number of addresses announced to Internet: 2688488320
Equivalent to 160 /8s, 63 /16s and 19 /24s
Percentage of available address space announced: 72.6
Percentage of allocated address space announced: 72.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 96.4
Total number of prefixes smaller than registry allocations: 171648
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 117984
Total APNIC prefixes after maximum aggregation: 35204
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 121068
Unique aggregates announced from the APNIC address blocks: 50794
APNIC Region origin ASes present in the Internet Routing Table: 4939
APNIC Prefixes per ASN: 24.51
APNIC Region origin ASes announcing only one prefix: 1229
APNIC Region transit ASes present in the Internet Routing Table: 868
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 961
Number of APNIC addresses announced to Internet: 733553792
Equivalent to 43 /8s, 185 /16s and 36 /24s
Percentage of available APNIC address space announced: 85.7
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: 168311
Total ARIN prefixes after maximum aggregation: 83445
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 169868
Unique aggregates announced from the ARIN address blocks: 79415
ARIN Region origin ASes present in the Internet Routing Table: 16291
ARIN Prefixes per ASN: 10.43
ARIN Region origin ASes announcing only one prefix: 6133
ARIN Region transit ASes present in the Internet Routing Table: 1679
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: 107
Number of ARIN addresses announced to Internet: 1075771136
Equivalent to 64 /8s, 30 /16s and 247 /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: 123686
Total RIPE prefixes after maximum aggregation: 62765
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 128237
Unique aggregates announced from the RIPE address blocks: 80797
RIPE Region origin ASes present in the Internet Routing Table: 17689
RIPE Prefixes per ASN: 7.25
RIPE Region origin ASes announcing only one prefix: 8260
RIPE Region transit ASes present in the Internet Routing Table: 2879
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: 2711
Number of RIPE addresses announced to Internet: 658457216
Equivalent to 39 /8s, 63 /16s and 66 /24s
Percentage of available RIPE address space announced: 95.7
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: 56758
Total LACNIC prefixes after maximum aggregation: 10069
LACNIC Deaggregation factor: 5.64
Prefixes being announced from the LACNIC address blocks: 63361
Unique aggregates announced from the LACNIC address blocks: 29037
LACNIC Region origin ASes present in the Internet Routing Table: 2095
LACNIC Prefixes per ASN: 30.24
LACNIC Region origin ASes announcing only one prefix: 535
LACNIC Region transit ASes present in the Internet Routing Table: 439
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1187
Number of LACNIC addresses announced to Internet: 162006144
Equivalent to 9 /8s, 168 /16s and 4 /24s
Percentage of available LACNIC address space announced: 96.6
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: 11965
Total AfriNIC prefixes after maximum aggregation: 2661
AfriNIC Deaggregation factor: 4.50
Prefixes being announced from the AfriNIC address blocks: 12654
Unique aggregates announced from the AfriNIC address blocks: 4385
AfriNIC Region origin ASes present in the Internet Routing Table: 721
AfriNIC Prefixes per ASN: 17.55
AfriNIC Region origin ASes announcing only one prefix: 205
AfriNIC Region transit ASes present in the Internet Routing Table: 154
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 32
Number of AfriNIC addresses announced to Internet: 55998976
Equivalent to 3 /8s, 86 /16s and 122 /24s
Percentage of available AfriNIC address space announced: 55.6
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 2941 11591 922 Korea Telecom
17974 2793 899 72 PT Telekomunikasi Indonesia
7545 2229 320 117 TPG Telecom Limited
4755 1854 396 199 TATA Communications formerly
9829 1642 1307 32 National Internet Backbone
9583 1302 101 534 Sify Limited
9498 1259 314 85 BHARTI Airtel Ltd.
7552 1226 1082 13 Viettel Corporation
4808 1204 2146 359 CNCGROUP IP network China169
24560 1131 393 184 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 2959 3688 53 BellSouth.net Inc.
22773 2428 2937 133 Cox Communications Inc.
1785 2063 690 151 PaeTec Communications, Inc.
18566 2047 379 178 MegaPath Corporation
20115 1706 1690 566 Charter Communications
4323 1629 1073 413 tw telecom holdings, inc.
701 1471 11190 742 MCI Communications Services,
30036 1417 310 546 Mediacom Communications Corp
6983 1325 800 306 ITC^Deltacom
22561 1307 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
34984 1704 264 275 TELLCOM ILETISIM HIZMETLERI A
8402 1481 544 16 OJSC "Vimpelcom"
20940 1354 523 1016 Akamai International B.V.
13188 1049 100 28 TOV "Bank-Inform"
8551 1034 370 40 Bezeq International-Ltd
31148 1018 45 19 Freenet Ltd.
6849 822 357 27 JSC "Ukrtelecom"
6830 763 2333 424 Liberty Global Operations B.V
12479 711 795 57 France Telecom Espana SA
9198 574 344 28 JSC Kazakhtelecom
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 3787 1996 100 NET Serviços de Comunicação S
10620 2864 463 200 Telmex Colombia S.A.
18881 2007 972 21 Global Village Telecom
7303 1755 1174 229 Telecom Argentina S.A.
8151 1407 2945 409 Uninet S.A. de C.V.
6503 1097 434 60 Axtel, S.A.B. de C.V.
7738 978 1882 40 Telemar Norte Leste S.A.
27947 876 114 50 Telconet S.A
26615 859 2324 34 Tim Celular S.A.
3816 824 339 136 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 1114 240 6 Sudanese Mobile Telephone (ZA
24863 961 280 26 Link Egypt (Link.NET)
6713 615 727 32 Office National des Postes et
8452 582 958 13 TE-AS
24835 304 144 9 Vodafone Data
36992 300 783 24 ETISALAT MISR
3741 248 921 209 Internet Solutions
37054 241 19 6 Data Telecom Service
29571 226 22 16 Cote d'Ivoire Telecom
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 3787 1996 100 NET Serviços de Comunicação S
6389 2959 3688 53 BellSouth.net Inc.
4766 2941 11591 922 Korea Telecom
10620 2864 463 200 Telmex Colombia S.A.
17974 2793 899 72 PT Telekomunikasi Indonesia
22773 2428 2937 133 Cox Communications Inc.
7545 2229 320 117 TPG Telecom Limited
1785 2063 690 151 PaeTec Communications, Inc.
18566 2047 379 178 MegaPath Corporation
18881 2007 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 2959 2906 BellSouth.net Inc.
17974 2793 2721 PT Telekomunikasi Indonesia
10620 2864 2664 Telmex Colombia S.A.
22773 2428 2295 Cox Communications Inc.
7545 2229 2112 TPG Telecom Limited
4766 2941 2019 Korea Telecom
18881 2007 1986 Global Village Telecom
1785 2063 1912 PaeTec Communications, Inc.
18566 2047 1869 MegaPath Corporation
4755 1854 1655 TATA Communications formerly
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
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
46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser
46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser
22511 UNALLOCATED 8.28.225.0/24 2828 XO Communications
22511 UNALLOCATED 8.36.68.0/24 2828 XO Communications
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.64.111.0/24 25019 Autonomus System Number for S
100.88.0.0/16 6697 Republican Unitary Telecommun
100.89.0.0/16 6697 Republican Unitary Telecommun
100.90.0.0/16 6697 Republican Unitary Telecommun
100.91.0.0/16 6697 Republican Unitary Telecommun
100.92.0.0/16 6697 Republican Unitary Telecommun
100.93.0.0/16 6697 Republican Unitary Telecommun
100.94.0.0/16 6697 Republican Unitary Telecommun
100.95.0.0/16 6697 Republican Unitary Telecommun
100.96.0.0/14 6697 Republican Unitary Telecommun
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
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 /11:91 /12:258
/13:488 /14:970 /15:1703 /16:12973 /17:6894 /18:11718
/19:24475 /20:34440 /21:36984 /22:52781 /23:46370 /24:263330
/25:768 /26:918 /27:384 /28:12 /29:5 /30:0
/31:0 /32:2
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2002 2047 MegaPath Corporation
6389 1692 2959 BellSouth.net Inc.
22773 1679 2428 Cox Communications Inc.
30036 1254 1417 Mediacom Communications Corp
11492 1175 1215 CABLE ONE, INC.
8402 1174 1481 OJSC "Vimpelcom"
1785 1129 2063 PaeTec Communications, Inc.
36998 1080 1114 Sudanese Mobile Telephone (ZA
6983 1042 1325 ITC^Deltacom
34984 1034 1704 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1129 2:669 3:3 4:15 5:1013 6:19
8:744 12:1849 13:3 14:998 15:13 16:2
17:32 18:21 20:36 23:892 24:1735 25:1
27:1753 31:1474 32:43 33:2 34:5 36:136
37:1890 38:960 39:7 40:202 41:3192 42:251
44:11 46:2085 47:19 49:704 50:937 52:12
54:47 55:4 57:29 58:1230 59:603 60:407
61:1545 62:1216 63:1960 64:4373 65:2289 66:4213
67:2071 68:1038 69:3339 70:856 71:442 72:2013
74:2652 75:324 76:421 77:1583 78:870 79:712
80:1291 81:1157 82:746 83:758 84:744 85:1299
86:463 87:1168 88:485 89:1826 90:140 91:5696
92:699 93:1751 94:2021 95:1512 96:535 97:364
98:1080 99:48 100:56 101:809 103:4936 105:538
106:170 107:602 108:574 109:2029 110:970 111:1298
112:654 113:844 114:862 115:1127 116:1090 117:943
118:1402 119:1350 120:387 121:818 122:2033 123:1317
124:1424 125:1399 128:578 129:340 130:346 131:662
132:400 133:162 134:317 135:74 136:254 137:296
138:357 139:166 140:213 141:373 142:571 143:439
144:505 145:104 146:609 147:475 148:904 149:357
150:167 151:796 152:424 153:218 154:295 155:484
156:340 157:335 158:242 159:900 160:328 161:553
162:1464 163:234 164:690 165:605 166:281 167:619
168:1050 169:124 170:1422 171:187 172:26 173:1691
174:709 175:603 176:1409 177:3010 178:1999 179:657
180:1730 181:1141 182:1565 183:522 184:705 185:1675
186:2795 187:1573 188:1929 189:1447 190:7439 191:318
192:7289 193:5495 194:4036 195:3496 196:1410 197:641
198:5058 199:5541 200:6241 201:2573 202:9014 203:8892
204:4598 205:2671 206:2932 207:2971 208:3978 209:3722
210:3100 211:1680 212:2296 213:2081 214:879 215:86
216:5522 217:1685 218:581 219:320 220:1289 221:599
222:353 223:589
End of report
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