[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 23 Oct 18:03:41 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 24 Oct, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 828025
Prefixes after maximum aggregation (per Origin AS): 316348
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 396422
Total ASes present in the Internet Routing Table: 69762
Prefixes per ASN: 11.87
Origin-only ASes present in the Internet Routing Table: 59964
Origin ASes announcing only one prefix: 24824
Transit ASes present in the Internet Routing Table: 9798
Transit-only ASes present in the Internet Routing Table: 296
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: 1002
Number of instances of unregistered ASNs: 1003
Number of 32-bit ASNs allocated by the RIRs: 33909
Number of 32-bit ASNs visible in the Routing Table: 28082
Prefixes from 32-bit ASNs in the Routing Table: 128197
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: 520
Number of addresses announced to Internet: 2863361280
Equivalent to 170 /8s, 171 /16s and 109 /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: 279446
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 216055
Total APNIC prefixes after maximum aggregation: 63455
APNIC Deaggregation factor: 3.40
Prefixes being announced from the APNIC address blocks: 211698
Unique aggregates announced from the APNIC address blocks: 86605
APNIC Region origin ASes present in the Internet Routing Table: 10974
APNIC Prefixes per ASN: 19.29
APNIC Region origin ASes announcing only one prefix: 3095
APNIC Region transit ASes present in the Internet Routing Table: 1596
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: 6091
Number of APNIC addresses announced to Internet: 778992000
Equivalent to 46 /8s, 110 /16s and 121 /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: 241575
Total ARIN prefixes after maximum aggregation: 111414
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 239490
Unique aggregates announced from the ARIN address blocks: 114834
ARIN Region origin ASes present in the Internet Routing Table: 18649
ARIN Prefixes per ASN: 12.84
ARIN Region origin ASes announcing only one prefix: 6801
ARIN Region transit ASes present in the Internet Routing Table: 1908
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: 3501
Number of ARIN addresses announced to Internet: 1091743488
Equivalent to 65 /8s, 18 /16s and 175 /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: 233497
Total RIPE prefixes after maximum aggregation: 110079
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 229475
Unique aggregates announced from the RIPE address blocks: 136482
RIPE Region origin ASes present in the Internet Routing Table: 27462
RIPE Prefixes per ASN: 8.36
RIPE Region origin ASes announcing only one prefix: 11822
RIPE Region transit ASes present in the Internet Routing Table: 3880
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: 9605
Number of RIPE addresses announced to Internet: 709249408
Equivalent to 42 /8s, 70 /16s and 73 /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: 111766
Total LACNIC prefixes after maximum aggregation: 25934
LACNIC Deaggregation factor: 4.31
Prefixes being announced from the LACNIC address blocks: 112956
Unique aggregates announced from the LACNIC address blocks: 48007
LACNIC Region origin ASes present in the Internet Routing Table: 10572
LACNIC Prefixes per ASN: 10.68
LACNIC Region origin ASes announcing only one prefix: 2621
LACNIC Region transit ASes present in the Internet Routing Table: 1967
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8159
Number of LACNIC addresses announced to Internet: 174292224
Equivalent to 10 /8s, 99 /16s and 125 /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: 24128
Total AfriNIC prefixes after maximum aggregation: 4718
AfriNIC Deaggregation factor: 5.11
Prefixes being announced from the AfriNIC address blocks: 33886
Unique aggregates announced from the AfriNIC address blocks: 10064
AfriNIC Region origin ASes present in the Internet Routing Table: 1404
AfriNIC Prefixes per ASN: 24.14
AfriNIC Region origin ASes announcing only one prefix: 484
AfriNIC Region transit ASes present in the Internet Routing Table: 291
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: 726
Number of AfriNIC addresses announced to Internet: 108614912
Equivalent to 6 /8s, 121 /16s and 85 /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 5705 775 679 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4747 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3582 1330 21 VIETEL-AS-AP Viettel Group, VN
45899 3260 1896 51 VNPT-AS-VN VNPT Corp, VN
7713 2712 829 618 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2560 9044 57 CMNET-GD Guangdong Mobile Communication
4766 2351 11103 554 KIXS-AS-KR Korea Telecom, KR
9498 2303 450 231 BBIL-AP BHARTI Airtel Ltd., IN
4755 2142 441 191 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 4637 310 782 CABLEONE, US
16509 4370 8635 2006 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3675 2992 189 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3352 1323 81 SHAW, CA
16625 3135 1658 2249 AKAMAI-AS, US
209 2519 5060 519 CENTURYLINK-US-LEGACY-QWEST, US
30036 2466 366 151 MEDIACOM-ENTERPRISE-BUSINESS, US
26484 2367 148 303 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 6231 1636 141 UNI2-AS, ES
39891 3652 203 21 ALJAWWALSTC-AS, SA
8551 3489 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3244 3201 540 AKAMAI-ASN1, EU
12389 2808 2279 877 ROSTELECOM-AS, RU
47331 2372 406 1797 TTNET, TR
34984 2192 355 573 TELLCOM-AS, TR
9009 2172 226 1180 M247, GB
13188 1610 100 31 TRIOLAN, UA
61317 1340 156 595 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 8078 3328 602 Uninet S.A. de C.V., MX
10620 3397 530 528 Telmex Colombia S.A., CO
11830 2563 369 63 Instituto Costarricense de Electricidad
6503 1594 322 446 Axtel, S.A.B. de C.V., MX
7303 1480 952 266 Telecom Argentina S.A., AR
13999 1475 449 384 Mega Cable, S.A. de C.V., MX
28573 1336 2256 222 CLARO S.A., BR
3816 1161 575 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1149 379 39 Telefonica del Peru S.A.A., PE
11664 1010 213 413 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 1571 393 22 LINKdotNET-AS, EG
36992 1200 1528 129 ETISALAT-MISR, EG
24835 1115 466 29 RAYA-AS, EG
36903 918 480 94 MT-MPLS, MA
29571 700 68 12 ORANGE-COTE-IVOIRE, CI
6713 553 1863 34 IAM-AS, MA
15399 491 46 15 WANANCHI-, KE
37342 476 32 1 MOVITEL, MZ
36935 446 519 37 Vodafone-, EG
36914 348 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 8078 3328 602 Uninet S.A. de C.V., MX
12479 6231 1636 141 UNI2-AS, ES
7545 5705 775 679 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4747 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4637 310 782 CABLEONE, US
16509 4370 8635 2006 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3675 2992 189 ASN-CXA-ALL-CCI-22773-RDC, US
39891 3652 203 21 ALJAWWALSTC-AS, SA
7552 3582 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 6231 6090 UNI2-AS, ES
7545 5705 5026 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4747 4674 ERX-CERNET-BKB China Education and Research Net
7155 4034 4002 VIASAT-SP-BACKBONE, US
11492 4637 3855 CABLEONE, US
39891 3652 3631 ALJAWWALSTC-AS, SA
7552 3582 3561 VIETEL-AS-AP Viettel Group, VN
22773 3675 3486 ASN-CXA-ALL-CCI-22773-RDC, US
8551 3489 3444 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
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
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
/13:579 /14:1171 /15:1937 /16:13471 /17:8283 /18:14022
/19:25667 /20:41173 /21:50071 /22:102682 /23:86749 /24:480488
/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 5197 6231 UNI2-AS, ES
11492 3743 4637 CABLEONE, US
6327 3150 3352 SHAW, CA
7155 3122 4034 VIASAT-SP-BACKBONE, US
8551 2948 3489 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2836 3675 ASN-CXA-ALL-CCI-22773-RDC, US
8151 2812 8078 Uninet S.A. de C.V., MX
39891 2801 3652 ALJAWWALSTC-AS, SA
30036 2209 2466 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)
----------------------------------------------
1:1639 2:1150 3:33 4:19 5:3605 6:54
8:1489 9:1 11:1 12:1770 13:345 14:2352
15:72 16:10 17:303 18:90 20:111 23:4057
24:2338 25:2 27:2325 31:2155 32:114 34:1
35:43 36:1002 37:3494 38:1897 39:466 40:150
41:3826 42:611 43:2144 44:222 45:14835 46:3570
47:320 49:1570 50:1669 51:93 52:1117 54:222
55:698 56:6 57:53 58:1609 59:1161 60:805
61:2326 62:2194 63:2011 64:5292 65:2377 66:5104
67:2901 68:1166 69:4081 70:1398 71:676 72:3010
74:2544 75:1456 76:683 77:1977 78:2136 79:2688
80:2050 81:1627 82:1313 83:1159 84:1254 85:2807
86:622 87:1814 88:1456 89:2880 90:382 91:7167
92:1582 93:2514 94:2837 95:3640 96:1236 97:341
98:953 99:981 100:87 101:1021 102:1136 103:24677
104:3601 105:355 106:914 107:2115 108:696 109:3740
110:1985 111:2366 112:1692 113:1494 114:1529 115:1840
116:1826 117:2111 118:2191 119:1757 120:871 121:1045
122:2316 123:2079 124:1619 125:2142 128:1341 129:1245
130:741 131:1926 132:751 133:312 134:1369 135:329
136:654 137:889 138:2320 139:1121 140:757 141:1107
142:981 143:1224 144:1141 145:353 146:1373 147:1241
148:2165 149:1209 150:762 151:1328 152:1565 153:437
154:3300 155:1211 156:2495 157:1114 158:886 159:2019
160:1989 161:1079 162:3192 163:910 164:1524 165:1304
166:594 167:1680 168:3554 169:620 170:4391 171:770
172:1998 173:2900 174:969 175:1047 176:2746 177:4287
178:2760 179:1881 180:2260 181:2559 182:3178 183:1458
184:2437 185:17169 186:3979 187:3029 188:3246 189:2702
190:9094 191:1479 192:10567 193:7750 194:6345 195:4556
196:3162 197:2186 198:6039 199:5934 200:7334 201:5282
202:10535 203:10205 204:4634 205:3098 206:3212 207:3260
208:3986 209:4505 210:4213 211:2080 212:3528 213:3279
214:1187 215:60 216:6092 217:2472 218:852 219:619
220:2061 221:916 222:973 223:1656
End of report
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