[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 21 18:02:35 UTC 2017
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,
MENOG, SAFNOG, SdNOG, BJNOG, CaribNOG and the RIPE Routing WG.
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 22 Apr, 2017
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 644184
Prefixes after maximum aggregation (per Origin AS): 250819
Deaggregation factor: 2.57
Unique aggregates announced (without unneeded subnets): 311163
Total ASes present in the Internet Routing Table: 56904
Prefixes per ASN: 11.32
Origin-only ASes present in the Internet Routing Table: 49231
Origin ASes announcing only one prefix: 21820
Transit ASes present in the Internet Routing Table: 7673
Transit-only ASes present in the Internet Routing Table: 223
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 40
Max AS path prepend of ASN ( 55644) 36
Prefixes from unregistered ASNs in the Routing Table: 70
Numnber of instances of unregistered ASNs: 74
Number of 32-bit ASNs allocated by the RIRs: 18233
Number of 32-bit ASNs visible in the Routing Table: 14162
Prefixes from 32-bit ASNs in the Routing Table: 57245
Number of bogon 32-bit ASNs visible in the Routing Table: 43
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 428
Number of addresses announced to Internet: 2842646404
Equivalent to 169 /8s, 111 /16s and 87 /24s
Percentage of available address space announced: 76.8
Percentage of allocated address space announced: 76.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.5
Total number of prefixes smaller than registry allocations: 214966
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 175666
Total APNIC prefixes after maximum aggregation: 50405
APNIC Deaggregation factor: 3.49
Prefixes being announced from the APNIC address blocks: 174863
Unique aggregates announced from the APNIC address blocks: 72537
APNIC Region origin ASes present in the Internet Routing Table: 8009
APNIC Prefixes per ASN: 21.83
APNIC Region origin ASes announcing only one prefix: 2246
APNIC Region transit ASes present in the Internet Routing Table: 1130
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 40
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2853
Number of APNIC addresses announced to Internet: 763064964
Equivalent to 45 /8s, 123 /16s and 114 /24s
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 64297-64395, 131072-137529
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: 196425
Total ARIN prefixes after maximum aggregation: 93953
ARIN Deaggregation factor: 2.09
Prefixes being announced from the ARIN address blocks: 198589
Unique aggregates announced from the ARIN address blocks: 91184
ARIN Region origin ASes present in the Internet Routing Table: 17871
ARIN Prefixes per ASN: 11.11
ARIN Region origin ASes announcing only one prefix: 6632
ARIN Region transit ASes present in the Internet Routing Table: 1780
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 1916
Number of ARIN addresses announced to Internet: 1108155040
Equivalent to 66 /8s, 13 /16s and 26 /24s
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, 64198-64296, 393216-397212
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: 174487
Total RIPE prefixes after maximum aggregation: 84856
RIPE Deaggregation factor: 2.06
Prefixes being announced from the RIPE address blocks: 169999
Unique aggregates announced from the RIPE address blocks: 101819
RIPE Region origin ASes present in the Internet Routing Table: 23927
RIPE Prefixes per ASN: 7.10
RIPE Region origin ASes announcing only one prefix: 11042
RIPE Region transit ASes present in the Internet Routing Table: 3397
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 5758
Number of RIPE addresses announced to Internet: 711328384
Equivalent to 42 /8s, 102 /16s and 2 /24s
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, 64396-64495
196608-207259
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: 80518
Total LACNIC prefixes after maximum aggregation: 17806
LACNIC Deaggregation factor: 4.52
Prefixes being announced from the LACNIC address blocks: 81698
Unique aggregates announced from the LACNIC address blocks: 38300
LACNIC Region origin ASes present in the Internet Routing Table: 5812
LACNIC Prefixes per ASN: 14.06
LACNIC Region origin ASes announcing only one prefix: 1579
LACNIC Region transit ASes present in the Internet Routing Table: 1063
Average LACNIC Region AS path length visible: 5.4
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3326
Number of LACNIC addresses announced to Internet: 170427104
Equivalent to 10 /8s, 40 /16s and 130 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-266652 + 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: 16985
Total AfriNIC prefixes after maximum aggregation: 3743
AfriNIC Deaggregation factor: 4.54
Prefixes being announced from the AfriNIC address blocks: 18607
Unique aggregates announced from the AfriNIC address blocks: 6949
AfriNIC Region origin ASes present in the Internet Routing Table: 1038
AfriNIC Prefixes per ASN: 17.93
AfriNIC Region origin ASes announcing only one prefix: 321
AfriNIC Region transit ASes present in the Internet Routing Table: 209
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 309
Number of AfriNIC addresses announced to Internet: 89181696
Equivalent to 5 /8s, 80 /16s and 206 /24s
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
4538 5560 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3774 391 268 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2931 901 78 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2809 11150 757 KIXS-AS-KR Korea Telecom, KR
9829 2731 1499 539 BSNL-NIB National Internet Backbone, IN
9808 2213 8698 33 CMNET-GD Guangdong Mobile Communication
4755 2077 421 221 TATACOMM-AS TATA Communications formerl
45899 2064 1380 110 VNPT-AS-VN VNPT Corp, VN
9583 1574 121 542 SIFY-AS-IN Sify Limited, IN
7552 1569 1101 55 VIETEL-AS-AP Viettel Corporation, VN
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
22773 3702 2969 153 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3346 1333 80 SHAW - Shaw Communications Inc., CA
18566 2185 405 109 MEGAPATH5-US - MegaPath Corporation, US
6389 2069 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115 1989 2108 404 CHARTER-NET-HKY-NC - Charter Communicat
209 1793 5067 635 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
16509 1760 3386 564 AMAZON-02 - Amazon.com, Inc., US
30036 1744 322 351 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
6983 1692 854 231 ITCDELTA - Earthlink, Inc., US
701 1568 10579 642 UUNET - MCI Communications Services, In
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
39891 3334 171 18 ALJAWWALSTC-AS, SA
8551 3241 377 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2935 1041 2082 AKAMAI-ASN1, US
9121 2708 1691 18 TTNET, TR
34984 2009 328 386 TELLCOM-AS, TR
13188 1631 99 56 TRIOLAN, UA
12479 1547 1044 52 UNI2-AS, ES
12389 1443 1316 589 ROSTELECOM-AS, RU
9198 1320 352 23 KAZTELECOM-AS, KZ
6849 1254 355 21 UKRTELNET, UA
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
10620 3546 547 139 Telmex Colombia S.A., CO
8151 2518 3396 556 Uninet S.A. de C.V., MX
11830 1820 369 57 Instituto Costarricense de Electricidad
7303 1558 1004 248 Telecom Argentina S.A., AR
6503 1540 437 53 Axtel, S.A.B. de C.V., MX
6147 1123 377 27 Telefonica del Peru S.A.A., PE
28573 1082 2294 180 CLARO S.A., BR
3816 1022 496 179 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 960 232 91 Techtel LMDS Comunicaciones Interactiva
11172 929 126 80 Alestra, S. de R.L. de C.V., MX
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
24863 1267 399 42 LINKdotNET-AS, EG
36903 715 359 128 MT-MPLS, MA
37611 703 67 6 Afrihost, ZA
36992 624 1375 26 ETISALAT-MISR, EG
24835 497 722 14 RAYA-AS, EG
8452 411 1730 17 TE-AS TE-AS, EG
37492 407 318 73 ORANGE-, TN
29571 367 36 10 CITelecom-AS, CI
15399 342 35 7 WANANCHI-, KE
2018 288 327 74 TENET-1, ZA
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
4538 5560 4190 74 ERX-CERNET-BKB China Education and Rese
7545 3774 391 268 TPG-INTERNET-AP TPG Telecom Limited, AU
22773 3702 2969 153 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3546 547 139 Telmex Colombia S.A., CO
6327 3346 1333 80 SHAW - Shaw Communications Inc., CA
39891 3334 171 18 ALJAWWALSTC-AS, SA
8551 3241 377 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2935 1041 2082 AKAMAI-ASN1, US
17974 2931 901 78 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2809 11150 757 KIXS-AS-KR Korea Telecom, KR
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
22773 3702 3549 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7545 3774 3506 TPG-INTERNET-AP TPG Telecom Limited, AU
10620 3546 3407 Telmex Colombia S.A., CO
39891 3334 3316 ALJAWWALSTC-AS, SA
6327 3346 3266 SHAW - Shaw Communications Inc., CA
8551 3241 3200 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
17974 2931 2853 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
9121 2708 2690 TTNET, TR
9829 2731 2192 BSNL-NIB National Internet Backbone, IN
9808 2213 2180 CMNET-GD Guangdong Mobile Communication Co.Ltd.
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65001 PRIVATE 5.143.176.0/20 15468 KLGELECS-AS 38, Teatralnaya st
65602 UNALLOCATED 8.225.192.0/24 30372 SUNESYS2 - Sunesys, LLC, US
65001 PRIVATE 31.172.192.0/20 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.192.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.200.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.208.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.216.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65000 PRIVATE 31.219.177.0/25 8966 ETISALAT-AS P.O. Box 1150, Dub
65000 PRIVATE 31.219.177.128/25 8966 ETISALAT-AS P.O. Box 1150, Dub
65001 PRIVATE 46.237.32.0/20 13118 ASN-YARTELECOM PJSC Rostelecom
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.160.128.0/24 64267 -Reserved AS-, ZZ, US
23.161.128.0/17 393899 -Reserved AS-, ZZ
27.100.7.0/24 56096 UNKNOWN
41.76.232.0/21 203496 AB-TELECOM, RU
41.77.248.0/21 203496 AB-TELECOM, RU
41.78.12.0/23 203496 AB-TELECOM, RU
41.78.180.0/23 37265 -Reserved AS-, ZZ
41.242.132.0/23 203496 AB-TELECOM, RU
43.224.140.0/24 38197 SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited -
43.224.141.0/24 38197 SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited -
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 /8:15 /9:13 /10:36 /11:103 /12:280
/13:544 /14:1046 /15:1835 /16:13441 /17:7587 /18:13429
/19:24714 /20:38393 /21:41359 /22:76175 /23:63205 /24:360596
/25:558 /26:413 /27:325 /28:41 /29:24 /30:24
/31:1 /32:27
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3141 3346 SHAW - Shaw Communications Inc., CA
39891 2896 3334 ALJAWWALSTC-AS, SA
22773 2866 3702 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2702 3241 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2078 2185 MEGAPATH5-US - MegaPath Corporation, US
9121 1925 2708 TTNET, TR
30036 1547 1744 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1462 3546 Telmex Colombia S.A., CO
6389 1375 2069 BELLSOUTH-NET-BLK - BellSouth.net Inc., US
13188 1362 1631 TRIOLAN, UA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1609 2:817 4:26 5:2423 6:34 8:1066
12:1828 13:109 14:1794 15:23 16:2 17:116
18:126 19:1 20:56 23:2217 24:1878 25:2
27:2386 31:1896 32:89 33:5 35:20 36:391
37:2574 38:1347 39:45 40:99 41:3029 42:474
43:1914 44:71 45:2544 46:2751 47:119 49:1187
50:971 51:18 52:804 54:358 55:5 56:4
57:41 58:1611 59:1024 60:385 61:1893 62:1543
63:1919 64:4589 65:2214 66:4552 67:2246 68:1199
69:3335 70:1305 71:568 72:2156 74:2640 75:392
76:428 77:1486 78:1656 79:2068 80:1371 81:1410
82:989 83:731 84:875 85:1812 86:484 87:1154
88:838 89:2059 90:169 91:6145 92:1023 93:2392
94:2322 95:2856 96:597 97:359 98:953 99:89
100:156 101:1261 103:14371 104:2842 105:197 106:499
107:1581 108:811 109:3401 110:1338 111:1735 112:1172
113:1292 114:1041 115:1812 116:1782 117:1701 118:2147
119:1582 120:978 121:1097 122:2226 123:1811 124:1539
125:1840 128:749 129:624 130:449 131:1400 132:516
133:191 134:621 135:219 136:519 137:436 138:1900
139:448 140:380 141:538 142:737 143:950 144:774
145:170 146:1037 147:661 148:1404 149:564 150:712
151:948 152:756 153:301 154:801 155:741 156:576
157:616 158:447 159:1460 160:573 161:748 162:2471
163:523 164:791 165:1176 166:388 167:1235 168:2609
169:783 170:3075 171:297 172:998 173:1844 174:812
175:732 176:1834 177:4005 178:2484 179:1116 180:2170
181:1809 182:2311 183:981 184:859 185:9412 186:3159
187:2206 188:2612 189:1794 190:8070 191:1285 192:9368
193:5790 194:4642 195:3848 196:2055 197:1243 198:5517
199:5868 200:7361 201:4128 202:10266 203:9856 204:4481
205:2747 206:2999 207:3125 208:4006 209:3956 210:3981
211:2128 212:2818 213:2486 214:862 215:66 216:5874
217:2067 218:829 219:604 220:1657 221:906 222:762
223:1175
End of report
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