[safnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Sep 25 18:03:27 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 26 Sep, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 824471
Prefixes after maximum aggregation (per Origin AS): 314015
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 397093
Total ASes present in the Internet Routing Table: 69524
Prefixes per ASN: 11.86
Origin-only ASes present in the Internet Routing Table: 59756
Origin ASes announcing only one prefix: 24792
Transit ASes present in the Internet Routing Table: 9768
Transit-only ASes present in the Internet Routing Table: 303
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 47
Max AS path prepend of ASN ( 37385) 44
Prefixes from unregistered ASNs in the Routing Table: 820
Number of instances of unregistered ASNs: 821
Number of 32-bit ASNs allocated by the RIRs: 33590
Number of 32-bit ASNs visible in the Routing Table: 27777
Prefixes from 32-bit ASNs in the Routing Table: 128970
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: 450
Number of addresses announced to Internet: 2860807040
Equivalent to 170 /8s, 132 /16s and 115 /24s
Percentage of available address space announced: 77.3
Percentage of allocated address space announced: 77.3
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: 276203
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 217224
Total APNIC prefixes after maximum aggregation: 63643
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 211056
Unique aggregates announced from the APNIC address blocks: 86763
APNIC Region origin ASes present in the Internet Routing Table: 10879
APNIC Prefixes per ASN: 19.40
APNIC Region origin ASes announcing only one prefix: 3045
APNIC Region transit ASes present in the Internet Routing Table: 1595
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: 5991
Number of APNIC addresses announced to Internet: 779088640
Equivalent to 46 /8s, 111 /16s and 243 /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: 241033
Total ARIN prefixes after maximum aggregation: 110964
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 238753
Unique aggregates announced from the ARIN address blocks: 116753
ARIN Region origin ASes present in the Internet Routing Table: 18609
ARIN Prefixes per ASN: 12.83
ARIN Region origin ASes announcing only one prefix: 6800
ARIN Region transit ASes present in the Internet Routing Table: 1900
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3435
Number of ARIN addresses announced to Internet: 1087964672
Equivalent to 64 /8s, 217 /16s and 6 /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: 230675
Total RIPE prefixes after maximum aggregation: 108328
RIPE Deaggregation factor: 2.13
Prefixes being announced from the RIPE address blocks: 226747
Unique aggregates announced from the RIPE address blocks: 135835
RIPE Region origin ASes present in the Internet Routing Table: 27411
RIPE Prefixes per ASN: 8.27
RIPE Region origin ASes announcing only one prefix: 11825
RIPE Region transit ASes present in the Internet Routing Table: 3864
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9524
Number of RIPE addresses announced to Internet: 709228416
Equivalent to 42 /8s, 69 /16s and 247 /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: 110916
Total LACNIC prefixes after maximum aggregation: 25652
LACNIC Deaggregation factor: 4.32
Prefixes being announced from the LACNIC address blocks: 112083
Unique aggregates announced from the LACNIC address blocks: 47710
LACNIC Region origin ASes present in the Internet Routing Table: 10517
LACNIC Prefixes per ASN: 10.66
LACNIC Region origin ASes announcing only one prefix: 2624
LACNIC Region transit ASes present in the Internet Routing Table: 1963
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8102
Number of LACNIC addresses announced to Internet: 174387968
Equivalent to 10 /8s, 100 /16s and 243 /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: 23802
Total AfriNIC prefixes after maximum aggregation: 4768
AfriNIC Deaggregation factor: 4.99
Prefixes being announced from the AfriNIC address blocks: 35382
Unique aggregates announced from the AfriNIC address blocks: 9658
AfriNIC Region origin ASes present in the Internet Routing Table: 1429
AfriNIC Prefixes per ASN: 24.76
AfriNIC Region origin ASes announcing only one prefix: 498
AfriNIC Region transit ASes present in the Internet Routing Table: 289
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 47
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 725
Number of AfriNIC addresses announced to Internet: 109714176
Equivalent to 6 /8s, 138 /16s and 27 /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 5660 766 674 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4751 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3585 1330 21 VIETEL-AS-AP Viettel Group, VN
45899 3239 1896 51 VNPT-AS-VN VNPT Corp, VN
7713 2713 829 625 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2542 9043 60 CMNET-GD Guangdong Mobile Communication
4766 2349 11103 554 KIXS-AS-KR Korea Telecom, KR
9498 2300 450 231 BBIL-AP BHARTI Airtel Ltd., IN
4755 2145 441 193 TATACOMM-AS TATA Communications formerl
45090 1995 845 56 CNNIC-TENCENT-NET-AP Shenzhen Tencent C
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 4584 307 665 CABLEONE, US
16509 4320 8334 1997 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3647 2985 180 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3349 1323 82 SHAW, CA
16625 3136 1645 2250 AKAMAI-AS, US
209 2482 5060 522 CENTURYLINK-US-LEGACY-QWEST, US
30036 2468 367 104 MEDIACOM-ENTERPRISE-BUSINESS, US
26484 2412 151 324 IKGUL-26484, US
5650 2312 2981 1625 FRONTIER-FRTR, 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 6157 1652 136 UNI2-AS, ES
39891 3652 203 21 ALJAWWALSTC-AS, SA
8551 3438 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3191 2216 1024 AKAMAI-ASN1, EU
12389 2753 2275 864 ROSTELECOM-AS, RU
34984 2197 355 573 TELLCOM-AS, TR
9009 2182 232 1181 M247, GB
13188 1609 100 35 TRIOLAN, UA
61317 1338 157 603 ASDETUK http://www.heficed.com, GB
58224 1252 836 523 TCI, IR
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 8060 3323 606 Uninet S.A. de C.V., MX
10620 3390 531 509 Telmex Colombia S.A., CO
11830 2565 369 63 Instituto Costarricense de Electricidad
6503 1626 323 414 Axtel, S.A.B. de C.V., MX
7303 1480 951 271 Telecom Argentina S.A., AR
13999 1436 456 383 Mega Cable, S.A. de C.V., MX
28573 1371 2251 219 CLARO S.A., BR
3816 1150 576 157 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1141 379 39 Telefonica del Peru S.A.A., PE
11172 959 111 70 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 1431 393 22 LINKdotNET-AS, EG
36992 1169 1534 99 ETISALAT-MISR, EG
24835 1106 464 28 RAYA-AS, EG
36903 918 480 94 MT-MPLS, MA
29571 696 68 12 ORANGE-COTE-IVOIRE, CI
6713 553 1863 34 IAM-AS, MA
15399 495 46 15 WANANCHI-, KE
37342 481 32 1 MOVITEL, MZ
36935 450 519 37 Vodafone-, EG
23889 345 232 16 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
8151 8060 3323 606 Uninet S.A. de C.V., MX
12479 6157 1652 136 UNI2-AS, ES
7545 5660 766 674 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4751 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4584 307 665 CABLEONE, US
16509 4320 8334 1997 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
39891 3652 203 21 ALJAWWALSTC-AS, SA
22773 3647 2985 180 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3585 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 6157 6021 UNI2-AS, ES
7545 5660 4986 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4751 4678 ERX-CERNET-BKB China Education and Research Net
7155 4034 4002 VIASAT-SP-BACKBONE, US
11492 4584 3919 CABLEONE, US
39891 3652 3631 ALJAWWALSTC-AS, SA
7552 3585 3564 VIETEL-AS-AP Viettel Group, VN
22773 3647 3467 ASN-CXA-ALL-CCI-22773-RDC, US
8551 3438 3393 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3349 3267 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
22357 UNALLOCATED 8.7.108.0/24 3356 LEVEL3, US
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 174 COGENT-174, US
32985 UNALLOCATED 8.28.31.0/24 3356 LEVEL3, 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
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
23.142.80.0/24 Origin: 10753 LVLT-10753, US
Transit: 3356 LEVEL3, 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
27.126.156.0/23 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 /9:12 /10:39 /11:100 /12:286
/13:577 /14:1175 /15:1934 /16:13480 /17:8296 /18:14002
/19:25594 /20:41188 /21:49430 /22:102534 /23:85880 /24:478657
/25:1278 /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 5127 6157 UNI2-AS, ES
11492 3673 4584 CABLEONE, US
6327 3146 3349 SHAW, CA
7155 3122 4034 VIASAT-SP-BACKBONE, US
8551 2897 3438 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2818 3647 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2801 3652 ALJAWWALSTC-AS, SA
8151 2799 8060 Uninet S.A. de C.V., MX
30036 2211 2468 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)
----------------------------------------------
1:1638 2:1163 3:33 4:19 5:3591 6:54
8:1471 9:1 11:1 12:1768 13:354 14:2349
15:72 16:8 17:295 18:88 20:110 23:4016
24:2341 25:3 27:2326 31:2168 32:122 34:1
35:42 36:990 37:3489 38:1898 39:465 40:143
41:3708 42:638 43:2160 44:217 45:14929 46:3536
47:319 49:1527 50:1643 51:90 52:1114 54:230
55:680 56:6 57:53 58:1627 59:1170 60:791
61:2310 62:2166 63:2010 64:5259 65:2368 66:5067
67:2889 68:1166 69:4078 70:1397 71:678 72:2966
74:2568 75:1456 76:670 77:1974 78:1656 79:2630
80:2065 81:1604 82:1324 83:1261 84:1239 85:2680
86:561 87:1794 88:934 89:2822 90:386 91:7157
92:1567 93:2502 94:2807 95:3396 96:1252 97:340
98:920 99:984 100:87 101:1024 102:1086 103:24473
104:3555 105:382 106:895 107:2109 108:709 109:3770
110:1965 111:2345 112:1638 113:1453 114:1530 115:1836
116:1823 117:2104 118:2172 119:1743 120:911 121:1053
122:2555 123:2031 124:1633 125:2131 128:1379 129:1247
130:719 131:1940 132:763 133:306 134:1379 135:331
136:622 137:875 138:2283 139:1051 140:721 141:1086
142:967 143:1225 144:1162 145:367 146:1397 147:1254
148:2139 149:1200 150:761 151:1331 152:1560 153:435
154:4512 155:1231 156:3013 157:1114 158:879 159:1988
160:1962 161:1074 162:3169 163:871 164:1502 165:1319
166:592 167:1661 168:3518 169:616 170:4363 171:776
172:1989 173:2748 174:975 175:1049 176:2802 177:4298
178:2699 179:1810 180:2277 181:2549 182:3114 183:1444
184:2436 185:16966 186:3894 187:3013 188:3324 189:2682
190:9013 191:1434 192:10462 193:7700 194:6287 195:4545
196:3125 197:2048 198:6094 199:5932 200:7279 201:5226
202:10570 203:10205 204:4642 205:3108 206:3190 207:3264
208:4015 209:4466 210:4195 211:2078 212:3518 213:3270
214:1177 215:60 216:6122 217:2473 218:853 219:614
220:2045 221:916 222:978 223:1651
End of report
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