[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 30 18:03:45 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 31 Oct, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 828067
Prefixes after maximum aggregation (per Origin AS): 316529
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 396695
Total ASes present in the Internet Routing Table: 69827
Prefixes per ASN: 11.86
Origin-only ASes present in the Internet Routing Table: 60016
Origin ASes announcing only one prefix: 24837
Transit ASes present in the Internet Routing Table: 9811
Transit-only ASes present in the Internet Routing Table: 298
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 30
Max AS path prepend of ASN ( 45582) 27
Prefixes from unregistered ASNs in the Routing Table: 994
Number of instances of unregistered ASNs: 995
Number of 32-bit ASNs allocated by the RIRs: 33990
Number of 32-bit ASNs visible in the Routing Table: 28151
Prefixes from 32-bit ASNs in the Routing Table: 128583
Number of bogon 32-bit ASNs visible in the Routing Table: 14
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 515
Number of addresses announced to Internet: 2864617216
Equivalent to 170 /8s, 190 /16s and 151 /24s
Percentage of available address space announced: 77.4
Percentage of allocated address space announced: 77.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 279502
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 216070
Total APNIC prefixes after maximum aggregation: 63548
APNIC Deaggregation factor: 3.40
Prefixes being announced from the APNIC address blocks: 211683
Unique aggregates announced from the APNIC address blocks: 86759
APNIC Region origin ASes present in the Internet Routing Table: 10986
APNIC Prefixes per ASN: 19.27
APNIC Region origin ASes announcing only one prefix: 3098
APNIC Region transit ASes present in the Internet Routing Table: 1600
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 6108
Number of APNIC addresses announced to Internet: 779017600
Equivalent to 46 /8s, 110 /16s and 221 /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, 131072-143673
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: 241495
Total ARIN prefixes after maximum aggregation: 111528
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 239329
Unique aggregates announced from the ARIN address blocks: 114696
ARIN Region origin ASes present in the Internet Routing Table: 18672
ARIN Prefixes per ASN: 12.82
ARIN Region origin ASes announcing only one prefix: 6806
ARIN Region transit ASes present in the Internet Routing Table: 1907
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3522
Number of ARIN addresses announced to Internet: 1092438272
Equivalent to 65 /8s, 29 /16s and 73 /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: 233584
Total RIPE prefixes after maximum aggregation: 109954
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 229643
Unique aggregates announced from the RIPE address blocks: 136727
RIPE Region origin ASes present in the Internet Routing Table: 27476
RIPE Prefixes per ASN: 8.36
RIPE Region origin ASes announcing only one prefix: 11834
RIPE Region transit ASes present in the Internet Routing Table: 3884
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9619
Number of RIPE addresses announced to Internet: 709295488
Equivalent to 42 /8s, 70 /16s and 253 /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
196608-213403
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: 111722
Total LACNIC prefixes after maximum aggregation: 26033
LACNIC Deaggregation factor: 4.29
Prefixes being announced from the LACNIC address blocks: 112931
Unique aggregates announced from the LACNIC address blocks: 47960
LACNIC Region origin ASes present in the Internet Routing Table: 10581
LACNIC Prefixes per ASN: 10.67
LACNIC Region origin ASes announcing only one prefix: 2613
LACNIC Region transit ASes present in the Internet Routing Table: 1964
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8169
Number of LACNIC addresses announced to Internet: 174726144
Equivalent to 10 /8s, 106 /16s and 28 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-272796 + 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: 24200
Total AfriNIC prefixes after maximum aggregation: 4724
AfriNIC Deaggregation factor: 5.12
Prefixes being announced from the AfriNIC address blocks: 33966
Unique aggregates announced from the AfriNIC address blocks: 10123
AfriNIC Region origin ASes present in the Internet Routing Table: 1412
AfriNIC Prefixes per ASN: 24.06
AfriNIC Region origin ASes announcing only one prefix: 485
AfriNIC Region transit ASes present in the Internet Routing Table: 292
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 733
Number of AfriNIC addresses announced to Internet: 108670464
Equivalent to 6 /8s, 122 /16s and 46 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & 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 5704 775 683 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4753 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3579 1330 21 VIETEL-AS-AP Viettel Group, VN
45899 3259 1896 54 VNPT-AS-VN VNPT Corp, VN
7713 2715 829 621 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2558 9044 57 CMNET-GD Guangdong Mobile Communication
4766 2351 11103 554 KIXS-AS-KR Korea Telecom, KR
9498 2288 450 231 BBIL-AP BHARTI Airtel Ltd., IN
4755 2141 441 190 TATACOMM-AS TATA Communications formerl
9394 2044 4914 18 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
11492 4643 308 797 CABLEONE, US
16509 4405 8767 2025 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3684 2992 188 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3352 1323 81 SHAW, CA
16625 3108 1643 2238 AKAMAI-AS, US
209 2510 5059 515 CENTURYLINK-US-LEGACY-QWEST, US
30036 2458 366 185 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2312 2981 1625 FRONTIER-FRTR, US
20115 2163 2891 505 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 6208 1636 141 UNI2-AS, ES
39891 3652 203 21 ALJAWWALSTC-AS, SA
8551 3446 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3254 3347 203 AKAMAI-ASN1, EU
12389 2809 2279 879 ROSTELECOM-AS, RU
47331 2428 418 1824 TTNET, TR
34984 2194 355 575 TELLCOM-AS, TR
9009 2172 227 1181 M247, GB
13188 1611 100 26 TRIOLAN, UA
61317 1340 156 592 ASDETUK http://www.heficed.com, GB
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 8118 3437 599 Uninet S.A. de C.V., MX
10620 3397 529 535 Telmex Colombia S.A., CO
11830 2563 369 63 Instituto Costarricense de Electricidad
13999 1480 451 403 Mega Cable, S.A. de C.V., MX
7303 1479 952 265 Telecom Argentina S.A., AR
6503 1470 312 473 Axtel, S.A.B. de C.V., MX
28573 1336 2257 222 CLARO S.A., BR
3816 1162 575 168 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1143 379 39 Telefonica del Peru S.A.A., PE
11664 1012 213 415 Techtel LMDS Comunicaciones Interactiva
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 1572 393 22 LINKdotNET-AS, EG
36992 1206 1529 131 ETISALAT-MISR, EG
24835 1116 468 30 RAYA-AS, EG
36903 918 480 94 MT-MPLS, MA
29571 708 68 12 ORANGE-COTE-IVOIRE, CI
6713 552 1863 34 IAM-AS, MA
15399 493 46 15 WANANCHI-, KE
37342 476 32 1 MOVITEL, MZ
36935 430 519 37 Vodafone-, EG
36914 363 82 3 KENET-AS, 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 8118 3437 599 Uninet S.A. de C.V., MX
12479 6208 1636 141 UNI2-AS, ES
7545 5704 775 683 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4753 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4643 308 797 CABLEONE, US
16509 4405 8767 2025 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3684 2992 188 ASN-CXA-ALL-CCI-22773-RDC, US
39891 3652 203 21 ALJAWWALSTC-AS, SA
7552 3579 1330 21 VIETEL-AS-AP Viettel Group, VN
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 6208 6067 UNI2-AS, ES
7545 5704 5021 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4753 4680 ERX-CERNET-BKB China Education and Research Net
7155 4034 4002 VIASAT-SP-BACKBONE, US
11492 4643 3846 CABLEONE, US
39891 3652 3631 ALJAWWALSTC-AS, SA
7552 3579 3558 VIETEL-AS-AP Viettel Group, VN
22773 3684 3496 ASN-CXA-ALL-CCI-22773-RDC, US
8551 3446 3401 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3352 3271 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
212434 UNALLOCATED 5.133.88.0/22 206509 KCOM-UK-AS, GB
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 174 COGENT-174, US
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US
23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
46766 UNALLOCATED 8.44.208.0/24 3356 LEVEL3, US
40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, US
46505 UNALLOCATED 12.7.131.0/24 7018 ATT-INTERNET4, US
15132 UNALLOCATED 12.9.150.0/24 1239 SPRINTLINK, 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
23.141.0.0/24 Origin: 395350 UNASSIGNED
Transit: 11426 TWC-11426-CAROLINAS, US
23.142.80.0/24 Origin: 397294 UNASSIGNED
Transit: 398559 TUNBROKER, US
23.157.0.0/24 Origin: 395101 UNASSIGNED
Transit: 33657 CMCS, 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 No. 14, Jala
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 /8:9 /9:13 /10:40 /11:101 /12:291
/13:578 /14:1173 /15:1936 /16:13471 /17:8280 /18:14037
/19:25665 /20:41303 /21:50060 /22:102626 /23:86800 /24:480440
/25:1244 /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 5175 6208 UNI2-AS, ES
11492 3761 4643 CABLEONE, US
6327 3150 3352 SHAW, CA
7155 3122 4034 VIASAT-SP-BACKBONE, US
8551 2906 3446 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2843 3684 ASN-CXA-ALL-CCI-22773-RDC, US
8151 2822 8118 Uninet S.A. de C.V., MX
39891 2801 3652 ALJAWWALSTC-AS, SA
30036 2201 2458 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 1995 2312 FRONTIER-FRTR, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1669 2:1139 3:33 4:19 5:3603 6:53
8:1458 9:1 11:1 12:1766 13:345 14:2369
15:72 16:11 17:304 18:90 20:111 23:3990
24:2337 25:3 27:2350 31:2130 32:114 34:1
35:43 36:1013 37:3480 38:1926 39:436 40:150
41:3841 42:612 43:2130 44:226 45:14799 46:3579
47:320 49:1565 50:1653 51:106 52:1130 54:220
55:704 56:6 57:53 58:1604 59:1163 60:811
61:2325 62:2204 63:2015 64:5276 65:2393 66:5100
67:2916 68:1180 69:4075 70:1397 71:682 72:3005
74:2538 75:1459 76:684 77:1983 78:2126 79:2684
80:2060 81:1619 82:1317 83:1171 84:1256 85:2791
86:623 87:1790 88:1457 89:2886 90:384 91:7147
92:1595 93:2504 94:2839 95:3629 96:1234 97:341
98:950 99:981 100:88 101:1021 102:1165 103:24750
104:3597 105:375 106:893 107:2112 108:693 109:3714
110:1986 111:2352 112:1673 113:1513 114:1527 115:1842
116:1846 117:2115 118:2200 119:1776 120:872 121:1027
122:2305 123:2078 124:1619 125:2146 128:1357 129:1239
130:734 131:1915 132:754 133:312 134:1363 135:330
136:655 137:894 138:2314 139:1128 140:756 141:1102
142:986 143:1232 144:1118 145:326 146:1367 147:1218
148:2139 149:1211 150:753 151:1334 152:1566 153:437
154:3321 155:1223 156:2471 157:1115 158:893 159:2018
160:1996 161:1075 162:3179 163:908 164:1526 165:1308
166:594 167:1710 168:3577 169:619 170:4275 171:770
172:2003 173:2912 174:952 175:1051 176:2805 177:4312
178:2762 179:1893 180:2263 181:2560 182:3166 183:1463
184:2441 185:17197 186:3950 187:3069 188:3267 189:2671
190:9126 191:1437 192:10563 193:7781 194:6334 195:4570
196:3163 197:2215 198:6031 199:5911 200:7311 201:5286
202:10541 203:10207 204:4641 205:3070 206:3237 207:3276
208:3988 209:4513 210:4191 211:2071 212:3515 213:3287
214:1179 215:57 216:6109 217:2462 218:852 219:624
220:2059 221:922 222:970 223:1646
End of report
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