[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 18 18:03:11 UTC 2018
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, SANOG, PacNOG, SAFNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG 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 19 May, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 700789
Prefixes after maximum aggregation (per Origin AS): 269276
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 336765
Total ASes present in the Internet Routing Table: 60726
Prefixes per ASN: 11.54
Origin-only ASes present in the Internet Routing Table: 52444
Origin ASes announcing only one prefix: 22914
Transit ASes present in the Internet Routing Table: 8282
Transit-only ASes present in the Internet Routing Table: 270
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 30
Max AS path prepend of ASN ( 30873) 28
Prefixes from unregistered ASNs in the Routing Table: 53
Number of instances of unregistered ASNs: 53
Number of 32-bit ASNs allocated by the RIRs: 22616
Number of 32-bit ASNs visible in the Routing Table: 18220
Prefixes from 32-bit ASNs in the Routing Table: 75897
Number of bogon 32-bit ASNs visible in the Routing Table: 15
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 304
Number of addresses announced to Internet: 2859596354
Equivalent to 170 /8s, 113 /16s and 250 /24s
Percentage of available address space announced: 77.2
Percentage of allocated address space announced: 77.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.9
Total number of prefixes smaller than registry allocations: 233976
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 191663
Total APNIC prefixes after maximum aggregation: 54291
APNIC Deaggregation factor: 3.53
Prefixes being announced from the APNIC address blocks: 190476
Unique aggregates announced from the APNIC address blocks: 77546
APNIC Region origin ASes present in the Internet Routing Table: 8813
APNIC Prefixes per ASN: 21.61
APNIC Region origin ASes announcing only one prefix: 2460
APNIC Region transit ASes present in the Internet Routing Table: 1316
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3775
Number of APNIC addresses announced to Internet: 767033858
Equivalent to 45 /8s, 184 /16s and 2 /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: 208375
Total ARIN prefixes after maximum aggregation: 99076
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 209145
Unique aggregates announced from the ARIN address blocks: 98869
ARIN Region origin ASes present in the Internet Routing Table: 18163
ARIN Prefixes per ASN: 11.51
ARIN Region origin ASes announcing only one prefix: 6711
ARIN Region transit ASes present in the Internet Routing Table: 1793
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2349
Number of ARIN addresses announced to Internet: 1105502240
Equivalent to 65 /8s, 228 /16s and 160 /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: 191469
Total RIPE prefixes after maximum aggregation: 92029
RIPE Deaggregation factor: 2.08
Prefixes being announced from the RIPE address blocks: 187444
Unique aggregates announced from the RIPE address blocks: 111353
RIPE Region origin ASes present in the Internet Routing Table: 25153
RIPE Prefixes per ASN: 7.45
RIPE Region origin ASes announcing only one prefix: 11385
RIPE Region transit ASes present in the Internet Routing Table: 3505
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 6987
Number of RIPE addresses announced to Internet: 716083840
Equivalent to 42 /8s, 174 /16s and 146 /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: 90587
Total LACNIC prefixes after maximum aggregation: 19869
LACNIC Deaggregation factor: 4.56
Prefixes being announced from the LACNIC address blocks: 92016
Unique aggregates announced from the LACNIC address blocks: 41067
LACNIC Region origin ASes present in the Internet Routing Table: 7156
LACNIC Prefixes per ASN: 12.86
LACNIC Region origin ASes announcing only one prefix: 1979
LACNIC Region transit ASes present in the Internet Routing Table: 1334
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4692
Number of LACNIC addresses announced to Internet: 172671904
Equivalent to 10 /8s, 74 /16s and 195 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-268700 + 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: 18640
Total AfriNIC prefixes after maximum aggregation: 3963
AfriNIC Deaggregation factor: 4.70
Prefixes being announced from the AfriNIC address blocks: 21404
Unique aggregates announced from the AfriNIC address blocks: 7662
AfriNIC Region origin ASes present in the Internet Routing Table: 1142
AfriNIC Prefixes per ASN: 18.74
AfriNIC Region origin ASes announcing only one prefix: 378
AfriNIC Region transit ASes present in the Internet Routing Table: 232
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 417
Number of AfriNIC addresses announced to Internet: 97854720
Equivalent to 5 /8s, 213 /16s and 37 /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 5415 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4403 419 431 TPG-INTERNET-AP TPG Telecom Limited, AU
4766 2908 11137 790 KIXS-AS-KR Korea Telecom, KR
7552 2862 1155 74 VIETEL-AS-AP Viettel Group, VN
9829 2812 1498 543 BSNL-NIB National Internet Backbone, IN
9394 2537 4922 25 CTTNET China TieTong Telecommunications
45899 2526 1574 160 VNPT-AS-VN VNPT Corp, VN
17974 2216 928 79 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2195 8699 26 CMNET-GD Guangdong Mobile Communication
4755 2104 417 207 TATACOMM-AS TATA Communications formerl
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
6327 3416 1323 84 SHAW - Shaw Communications Inc., CA
22773 3295 2968 147 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2167 405 109 MEGAPATH5-US - MegaPath Corporation, US
16509 2107 4687 661 AMAZON-02 - Amazon.com, Inc., US
11492 2102 243 436 CABLEONE - CABLE ONE, INC., US
20115 2102 2510 452 CHARTER-NET-HKY-NC - Charter Communicat
209 1987 5070 606 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036 1982 342 166 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
16625 1803 891 1285 AKAMAI-AS - Akamai Technologies, Inc.,
7018 1718 20215 1260 ATT-INTERNET4 - AT&T Services, Inc., US
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
12479 4151 1519 516 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 2880 377 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2630 691 1932 AKAMAI-ASN1, US
12389 2047 1876 709 ROSTELECOM-AS, RU
34984 2015 334 487 TELLCOM-AS, TR
9121 1885 1692 19 TTNET, TR
13188 1609 100 43 TRIOLAN, UA
8402 1243 544 14 CORBINA-AS OJSC "Vimpelcom", RU
6849 1241 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
8151 4812 3358 591 Uninet S.A. de C.V., MX
10620 3594 542 244 Telmex Colombia S.A., CO
11830 2648 369 77 Instituto Costarricense de Electricidad
6503 1611 437 53 Axtel, S.A.B. de C.V., MX
7303 1514 1026 188 Telecom Argentina S.A., AR
28573 1026 2249 191 CLARO S.A., BR
3816 1008 505 123 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 982 377 31 Telefonica del Peru S.A.A., PE
11172 929 126 85 Alestra, S. de R.L. de C.V., MX
18881 910 1076 29 TELEFÔNICA BRASIL S.A, BR
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 1183 396 45 LINKdotNET-AS, EG
37611 851 107 9 Afrihost, ZA
36903 740 372 140 MT-MPLS, MA
36992 703 1412 42 ETISALAT-MISR, EG
8452 693 1730 18 TE-AS TE-AS, EG
24835 567 818 18 RAYA-AS, EG
37492 452 376 82 ORANGE-, TN
29571 439 68 10 ORANGE-COTE-IVOIRE, CI
15399 363 35 7 WANANCHI-, KE
23889 363 103 14 MauritiusTelecom, MU
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 5415 4192 74 ERX-CERNET-BKB China Education and Rese
8151 4812 3358 591 Uninet S.A. de C.V., MX
7545 4403 419 431 TPG-INTERNET-AP TPG Telecom Limited, AU
12479 4151 1519 516 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
10620 3594 542 244 Telmex Colombia S.A., CO
6327 3416 1323 84 SHAW - Shaw Communications Inc., CA
22773 3295 2968 147 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
4766 2908 11137 790 KIXS-AS-KR Korea Telecom, KR
8551 2880 377 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
8151 4812 4221 Uninet S.A. de C.V., MX
7545 4403 3972 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3778 3758 ALJAWWALSTC-AS, SA
12479 4151 3635 UNI2-AS, ES
10620 3594 3350 Telmex Colombia S.A., CO
6327 3416 3332 SHAW - Shaw Communications Inc., CA
22773 3295 3148 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2880 2837 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 2862 2788 VIETEL-AS-AP Viettel Group, VN
11830 2648 2571 Instituto Costarricense de Electricidad y Telec
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64514 PRIVATE 5.42.231.0/24 35753 ITC ITC AS number, SA
230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW
65537 DOCUMENT 62.162.120.0/24 6821 MT-AS-OWN bul. Orce Nikolov bb
419333 UNALLOCATED 84.17.91.0/24 41933 IPRAGAZ-AS Istanbul/ TURKEY, T
65024 PRIVATE 87.103.232.0/24 39407 CHITATELECOM-AS, RU
65024 PRIVATE 87.103.233.0/24 39407 CHITATELECOM-AS, RU
65024 PRIVATE 87.103.234.0/24 39407 CHITATELECOM-AS, RU
65024 PRIVATE 95.189.78.0/24 39407 CHITATELECOM-AS, RU
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.66.224.0/19 209 CENTURYLINK-US-LEGACY-QWEST - Qwest Communicati
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
36.50.254.0/23 48964 ENTERRA-AS, UA
41.76.136.0/22 37500 -Reserved AS-, ZZ
41.76.136.0/24 37500 -Reserved AS-, ZZ
41.76.138.0/24 37500 -Reserved AS-, ZZ
41.76.139.0/24 37500 -Reserved AS-, ZZ
41.76.140.0/22 37500 -Reserved AS-, ZZ
41.76.140.0/24 37500 -Reserved AS-, ZZ
41.76.141.0/24 37500 -Reserved AS-, ZZ
41.76.142.0/24 37500 -Reserved AS-, ZZ
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 /8:14 /9:11 /10:37 /11:100 /12:288
/13:566 /14:1093 /15:1908 /16:13390 /17:7879 /18:13632
/19:25180 /20:39356 /21:45390 /22:87183 /23:70455 /24:392031
/25:847 /26:651 /27:647 /28:36 /29:20 /30:18
/31:4 /32:53
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3204 3416 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
12479 2931 4151 UNI2-AS, ES
22773 2551 3295 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2342 2880 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
18566 2060 2167 MEGAPATH5-US - MegaPath Corporation, US
11830 1996 2648 Instituto Costarricense de Electricidad y Telec
11492 1845 2102 CABLEONE - CABLE ONE, INC., US
30036 1733 1982 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1609 3594 Telmex Colombia S.A., CO
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1583 2:847 4:19 5:2844 6:65 7:1
8:1124 12:1860 13:185 14:1749 15:28 16:3
17:206 18:65 20:49 21:8 23:2664 24:2221
25:2 27:2368 31:1977 32:88 35:27 36:507
37:2797 38:1463 39:262 40:121 41:3159 42:592
43:1926 44:116 45:4570 46:3042 47:204 49:1318
50:1052 51:311 52:1032 54:369 55:3 56:12
57:42 58:1606 59:991 60:431 61:2160 62:1824
63:1800 64:5044 65:2214 66:4690 67:2436 68:1134
69:3197 70:1144 71:565 72:2112 74:2729 75:414
76:451 77:1544 78:1693 79:1851 80:1510 81:1394
82:1075 83:779 84:1044 85:2031 86:575 87:1317
88:929 89:2332 90:211 91:6350 92:1197 93:2372
94:2393 95:2813 96:668 97:357 98:946 99:133
100:81 101:1282 102:61 103:17730 104:3636 105:239
106:656 107:1889 108:699 109:3484 110:1625 111:1778
112:1274 113:1266 114:1118 115:1631 116:1643 117:1741
118:2202 119:1655 120:978 121:1051 122:2444 123:1820
124:1430 125:1901 128:1026 129:649 130:455 131:1592
132:666 133:195 134:1024 135:226 136:471 137:555
138:1927 139:584 140:396 141:704 142:825 143:990
144:791 145:461 146:1177 147:716 148:1633 149:699
150:725 151:1057 152:763 153:312 154:1088 155:759
156:957 157:788 158:650 159:1743 160:939 161:762
162:2576 163:565 164:1056 165:1592 166:453 167:1406
168:3074 169:802 170:3716 171:435 172:1068 173:1998
174:906 175:773 176:1886 177:4049 178:2451 179:1200
180:2230 181:2204 182:2423 183:1166 184:1010 185:13491
186:3568 187:2376 188:2822 189:2028 190:8076 191:1448
192:9840 193:5944 194:4756 195:3971 196:2543 197:1468
198:5542 199:5894 200:7380 201:5015 202:10467 203:10200
204:4564 205:2897 206:3107 207:3176 208:3976 209:3948
210:4036 211:2109 212:3039 213:2743 214:958 215:61
216:5915 217:2128 218:905 219:629 220:1750 221:986
222:1025 223:1255
End of report
More information about the sanog
mailing list