[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Feb 14 18:03:25 UTC 2020
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 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 15 Feb, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 796453
Prefixes after maximum aggregation (per Origin AS): 302903
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 388935
Total ASes present in the Internet Routing Table: 67034
Prefixes per ASN: 11.88
Origin-only ASes present in the Internet Routing Table: 57605
Origin ASes announcing only one prefix: 24203
Transit ASes present in the Internet Routing Table: 9429
Transit-only ASes present in the Internet Routing Table: 284
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 34
Max AS path prepend of ASN (206156) 26
Prefixes from unregistered ASNs in the Routing Table: 1206
Number of instances of unregistered ASNs: 1211
Number of 32-bit ASNs allocated by the RIRs: 30539
Number of 32-bit ASNs visible in the Routing Table: 25146
Prefixes from 32-bit ASNs in the Routing Table: 115415
Number of bogon 32-bit ASNs visible in the Routing Table: 27
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 1140
Number of addresses announced to Internet: 2853769856
Equivalent to 170 /8s, 25 /16s and 18 /24s
Percentage of available address space announced: 77.1
Percentage of allocated address space announced: 77.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.4
Total number of prefixes smaller than registry allocations: 267927
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 210542
Total APNIC prefixes after maximum aggregation: 61326
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 203888
Unique aggregates announced from the APNIC address blocks: 84909
APNIC Region origin ASes present in the Internet Routing Table: 10333
APNIC Prefixes per ASN: 19.73
APNIC Region origin ASes announcing only one prefix: 2850
APNIC Region transit ASes present in the Internet Routing Table: 1547
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5393
Number of APNIC addresses announced to Internet: 768105472
Equivalent to 45 /8s, 200 /16s and 92 /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, 131072-141625
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: 234049
Total ARIN prefixes after maximum aggregation: 107635
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 231769
Unique aggregates announced from the ARIN address blocks: 117202
ARIN Region origin ASes present in the Internet Routing Table: 18401
ARIN Prefixes per ASN: 12.60
ARIN Region origin ASes announcing only one prefix: 6745
ARIN Region transit ASes present in the Internet Routing Table: 1907
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3170
Number of ARIN addresses announced to Internet: 1079268096
Equivalent to 64 /8s, 84 /16s and 83 /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, 393216-399260
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, 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: 225404
Total RIPE prefixes after maximum aggregation: 104630
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 222153
Unique aggregates announced from the RIPE address blocks: 130495
RIPE Region origin ASes present in the Internet Routing Table: 26832
RIPE Prefixes per ASN: 8.28
RIPE Region origin ASes announcing only one prefix: 11716
RIPE Region transit ASes present in the Internet Routing Table: 3797
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 8919
Number of RIPE addresses announced to Internet: 723808640
Equivalent to 43 /8s, 36 /16s and 113 /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
196608-210331
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: 103684
Total LACNIC prefixes after maximum aggregation: 24061
LACNIC Deaggregation factor: 4.31
Prefixes being announced from the LACNIC address blocks: 104842
Unique aggregates announced from the LACNIC address blocks: 45461
LACNIC Region origin ASes present in the Internet Routing Table: 9435
LACNIC Prefixes per ASN: 11.11
LACNIC Region origin ASes announcing only one prefix: 2405
LACNIC Region transit ASes present in the Internet Routing Table: 1772
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7008
Number of LACNIC addresses announced to Internet: 174259712
Equivalent to 10 /8s, 98 /16s and 254 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-270748 + 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: 21567
Total AfriNIC prefixes after maximum aggregation: 4485
AfriNIC Deaggregation factor: 4.81
Prefixes being announced from the AfriNIC address blocks: 32661
Unique aggregates announced from the AfriNIC address blocks: 9859
AfriNIC Region origin ASes present in the Internet Routing Table: 1369
AfriNIC Prefixes per ASN: 23.86
AfriNIC Region origin ASes announcing only one prefix: 487
AfriNIC Region transit ASes present in the Internet Routing Table: 269
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 656
Number of AfriNIC addresses announced to Internet: 107584000
Equivalent to 6 /8s, 105 /16s and 154 /24s
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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
7545 5300 658 615 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4623 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3319 1331 24 VIETEL-AS-AP Viettel Group, VN
45899 3130 1793 109 VNPT-AS-VN VNPT Corp, VN
7713 2701 831 494 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2619 9043 62 CMNET-GD Guangdong Mobile Communication
4766 2288 11102 561 KIXS-AS-KR Korea Telecom, KR
9498 2235 433 214 BBIL-AP BHARTI Airtel Ltd., IN
4755 2137 441 192 TATACOMM-AS TATA Communications formerl
9394 2077 4898 24 CTTNET China TieTong Telecommunications
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
7155 4048 280 28 VIASAT-SP-BACKBONE, US
11492 3941 261 637 CABLEONE, US
16509 3826 7812 1690 AMAZON-02, US
22773 3527 2971 151 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3364 1324 92 SHAW, CA
16625 2978 1562 2136 AKAMAI-AS, US
209 2344 5075 529 CENTURYLINK-US-LEGACY-QWEST, US
30036 2305 359 94 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2149 3022 1520 FRONTIER-FRTR, US
20115 2142 2793 519 CHARTER-20115, 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 5899 1615 129 UNI2-AS, ES
31334 3947 484 13 KABELDEUTSCHLAND-AS, DE
39891 3776 203 20 ALJAWWALSTC-AS, SA
8551 3230 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2865 453 1969 AKAMAI-ASN1, US
12389 2475 2248 731 ROSTELECOM-AS, RU
34984 2070 348 557 TELLCOM-AS, TR
9009 2046 214 1093 M247, GB
9121 1917 1691 18 TTNET, TR
13188 1604 100 47 TRIOLAN, 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 6237 3295 601 Uninet S.A. de C.V., MX
10620 3358 533 464 Telmex Colombia S.A., CO
11830 2682 369 63 Instituto Costarricense de Electricidad
6503 1681 323 389 Axtel, S.A.B. de C.V., MX
7303 1550 1030 266 Telecom Argentina S.A., AR
28573 1327 2229 189 CLARO S.A., BR
13999 1217 506 293 Mega Cable, S.A. de C.V., MX
6147 1119 379 39 Telefonica del Peru S.A.A., PE
3816 1114 562 135 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 955 112 69 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 1235 393 22 LINKdotNET-AS, EG
24835 1070 566 24 RAYA-AS, EG
36992 1044 1535 74 ETISALAT-MISR, EG
36903 876 452 97 MT-MPLS, MA
6713 603 1863 34 IAM-AS, MA
29571 560 68 12 ORANGE-COTE-IVOIRE, CI
37342 482 32 1 MOVITEL, MZ
36935 383 522 40 Vodafone-, EG
23889 370 231 15 MauritiusTelecom, MU
15399 363 45 10 WANANCHI-, KE
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
8151 6237 3295 601 Uninet S.A. de C.V., MX
12479 5899 1615 129 UNI2-AS, ES
7545 5300 658 615 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4623 4192 73 ERX-CERNET-BKB China Education and Rese
7155 4048 280 28 VIASAT-SP-BACKBONE, US
31334 3947 484 13 KABELDEUTSCHLAND-AS, DE
11492 3941 261 637 CABLEONE, US
16509 3826 7812 1690 AMAZON-02, US
39891 3776 203 20 ALJAWWALSTC-AS, SA
22773 3527 2971 151 ASN-CXA-ALL-CCI-22773-RDC, US
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
12479 5899 5770 UNI2-AS, ES
7545 5300 4685 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4623 4550 ERX-CERNET-BKB China Education and Research Net
7155 4048 4020 VIASAT-SP-BACKBONE, US
31334 3947 3934 KABELDEUTSCHLAND-AS, DE
39891 3776 3756 ALJAWWALSTC-AS, SA
22773 3527 3376 ASN-CXA-ALL-CCI-22773-RDC, US
11492 3941 3304 CABLEONE, US
7552 3319 3295 VIETEL-AS-AP Viettel Group, VN
6327 3364 3272 SHAW, CA
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
17076 UNALLOCATED 8.12.244.0/24 3356 LEVEL3, US
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 174 COGENT-174, US
62485 UNALLOCATED 8.23.229.0/24 3356 LEVEL3, US
32985 UNALLOCATED 8.28.31.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US
27205 UNALLOCATED 8.38.16.0/21 6461 ZAYO-6461, US
27205 UNALLOCATED 8.38.16.0/22 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
27205 UNALLOCATED 8.38.20.0/22 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
14109 UNALLOCATED 8.38.252.0/24 3356 LEVEL3, US
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE, US
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.136.224.0/24 Origin: 15206 UNASSIGNED
Transit: 174 COGENT-174, US
23.137.192.0/24 Origin: 31798 CANAD-86-31798, CA
Transit: 174 COGENT-174, US
27.100.7.0/24 Origin: 56096 UNASSIGNED
Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
27.126.156.0/22 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad, MY
27.126.156.0/23 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad, MY
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 /8:10 /9:11 /10:38 /11:98 /12:285
/13:579 /14:1159 /15:1919 /16:13403 /17:8165 /18:13851
/19:25800 /20:40479 /21:47630 /22:98546 /23:81247 /24:461938
/25:1295 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 4873 5899 UNI2-AS, ES
31334 3792 3947 KABELDEUTSCHLAND-AS, DE
6327 3153 3364 SHAW, CA
7155 3139 4048 VIASAT-SP-BACKBONE, US
11492 3075 3941 CABLEONE, US
39891 2946 3776 ALJAWWALSTC-AS, SA
22773 2742 3527 ASN-CXA-ALL-CCI-22773-RDC, US
8551 2690 3230 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2053 2305 MEDIACOM-ENTERPRISE-BUSINESS, US
8151 2051 6237 Uninet S.A. de C.V., MX
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1510 2:1147 3:30 4:19 5:3291 6:48
8:1378 9:1 12:1788 13:492 14:2239 15:74
16:9 17:286 18:79 20:58 23:3325 24:2640
25:4 27:2494 31:2911 32:102 35:40 36:931
37:3243 38:1842 39:315 40:132 41:3330 42:873
43:2118 44:190 45:13366 46:3653 47:276 49:1390
50:1575 51:87 52:1112 54:272 55:688 56:6
57:48 58:1877 59:1122 60:683 61:2214 62:2163
63:1943 64:5069 65:2313 66:4849 67:2854 68:1220
69:3821 70:1430 71:671 72:2775 74:2631 75:1440
76:673 77:2550 78:1973 79:2340 80:1847 81:1568
82:1205 83:1127 84:1239 85:2497 86:554 87:1706
88:1073 89:2699 90:313 91:7543 92:1493 93:2440
94:2608 95:3718 96:1012 97:337 98:965 99:967
100:86 101:1085 102:802 103:23128 104:3600 105:412
106:829 107:1927 108:709 109:3775 110:1775 111:1979
112:1564 113:1383 114:1373 115:1846 116:1773 117:2043
118:2123 119:1713 120:841 121:1035 122:2364 123:1898
124:1541 125:2029 128:1375 129:917 130:614 131:1821
132:781 133:300 134:1223 135:277 136:599 137:899
138:2188 139:986 140:592 141:875 142:870 143:1164
144:951 145:326 146:1477 147:1017 148:2063 149:1110
150:809 151:1280 152:1481 153:373 154:4716 155:903
156:3299 157:1078 158:736 159:1936 160:1732 161:1011
162:3020 163:777 164:1419 165:1237 166:544 167:1471
168:3598 169:497 170:4273 171:740 172:1878 173:2374
174:1032 175:1014 176:2620 177:4188 178:3001 179:1469
180:2171 181:2370 182:2844 183:1111 184:2396 185:16082
186:3815 187:2547 188:4064 189:2112 190:8251 191:1441
192:10266 193:7344 194:6016 195:4285 196:3393 197:1888
198:6124 199:5925 200:7148 201:5120 202:10417 203:10237
204:4548 205:3080 206:3257 207:3273 208:4001 209:4369
210:4003 211:1988 212:3254 213:3006 214:1167 215:53
216:5942 217:2343 218:880 219:603 220:1982 221:913
222:1004 223:1407
End of report
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