[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Sep 11 18:03:36 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 12 Sep, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 821585
Prefixes after maximum aggregation (per Origin AS): 312847
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 392371
Total ASes present in the Internet Routing Table: 69335
Prefixes per ASN: 11.85
Origin-only ASes present in the Internet Routing Table: 59579
Origin ASes announcing only one prefix: 24748
Transit ASes present in the Internet Routing Table: 9756
Transit-only ASes present in the Internet Routing Table: 305
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: 842
Number of instances of unregistered ASNs: 843
Number of 32-bit ASNs allocated by the RIRs: 33414
Number of 32-bit ASNs visible in the Routing Table: 27577
Prefixes from 32-bit ASNs in the Routing Table: 128046
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: 452
Number of addresses announced to Internet: 2851880192
Equivalent to 169 /8s, 252 /16s and 61 /24s
Percentage of available address space announced: 77.0
Percentage of allocated address space announced: 77.0
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: 275573
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 216134
Total APNIC prefixes after maximum aggregation: 63434
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 209910
Unique aggregates announced from the APNIC address blocks: 86558
APNIC Region origin ASes present in the Internet Routing Table: 10854
APNIC Prefixes per ASN: 19.34
APNIC Region origin ASes announcing only one prefix: 3052
APNIC Region transit ASes present in the Internet Routing Table: 1595
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5946
Number of APNIC addresses announced to Internet: 770547072
Equivalent to 45 /8s, 237 /16s and 157 /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: 240717
Total ARIN prefixes after maximum aggregation: 110220
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 238416
Unique aggregates announced from the ARIN address blocks: 112601
ARIN Region origin ASes present in the Internet Routing Table: 18561
ARIN Prefixes per ASN: 12.84
ARIN Region origin ASes announcing only one prefix: 6773
ARIN Region transit ASes present in the Internet Routing Table: 1903
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: 3397
Number of ARIN addresses announced to Internet: 1087692288
Equivalent to 64 /8s, 212 /16s and 222 /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: 228762
Total RIPE prefixes after maximum aggregation: 107967
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 225074
Unique aggregates announced from the RIPE address blocks: 135576
RIPE Region origin ASes present in the Internet Routing Table: 27363
RIPE Prefixes per ASN: 8.23
RIPE Region origin ASes announcing only one prefix: 11824
RIPE Region transit ASes present in the Internet Routing Table: 3858
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: 9478
Number of RIPE addresses announced to Internet: 709144704
Equivalent to 42 /8s, 68 /16s and 176 /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: 111437
Total LACNIC prefixes after maximum aggregation: 25692
LACNIC Deaggregation factor: 4.34
Prefixes being announced from the LACNIC address blocks: 112580
Unique aggregates announced from the LACNIC address blocks: 47556
LACNIC Region origin ASes present in the Internet Routing Table: 10456
LACNIC Prefixes per ASN: 10.77
LACNIC Region origin ASes announcing only one prefix: 2602
LACNIC Region transit ASes present in the Internet Routing Table: 1956
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8042
Number of LACNIC addresses announced to Internet: 174493952
Equivalent to 10 /8s, 102 /16s and 145 /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: 23692
Total AfriNIC prefixes after maximum aggregation: 4869
AfriNIC Deaggregation factor: 4.87
Prefixes being announced from the AfriNIC address blocks: 35153
Unique aggregates announced from the AfriNIC address blocks: 9710
AfriNIC Region origin ASes present in the Internet Routing Table: 1413
AfriNIC Prefixes per ASN: 24.88
AfriNIC Region origin ASes announcing only one prefix: 497
AfriNIC Region transit ASes present in the Internet Routing Table: 286
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 47
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 714
Number of AfriNIC addresses announced to Internet: 109565184
Equivalent to 6 /8s, 135 /16s and 213 /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 5671 766 674 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4501 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3530 1330 22 VIETEL-AS-AP Viettel Group, VN
45899 3220 1896 52 VNPT-AS-VN VNPT Corp, VN
7713 2713 828 622 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2518 9043 60 CMNET-GD Guangdong Mobile Communication
4766 2349 11103 555 KIXS-AS-KR Korea Telecom, KR
9498 2289 450 227 BBIL-AP BHARTI Airtel Ltd., IN
4755 2147 441 193 TATACOMM-AS TATA Communications formerl
9394 2039 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 4621 329 153 CABLEONE, US
16509 4247 8250 1949 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3631 2984 173 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3352 1323 82 SHAW, CA
16625 3138 1660 2250 AKAMAI-AS, US
209 2489 5060 526 CENTURYLINK-US-LEGACY-QWEST, US
30036 2457 367 116 MEDIACOM-ENTERPRISE-BUSINESS, US
26484 2449 153 333 IKGUL-26484, US
5650 2310 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 6053 1652 135 UNI2-AS, ES
20940 3203 2218 1028 AKAMAI-ASN1, EU
8551 3179 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
39891 3073 179 21 ALJAWWALSTC-AS, SA
12389 2749 2275 859 ROSTELECOM-AS, RU
34984 2200 355 572 TELLCOM-AS, TR
9009 2153 226 1172 M247, GB
13188 1609 100 35 TRIOLAN, UA
61317 1353 154 577 ASDETUK http://www.heficed.com, GB
58224 1279 834 519 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 7945 3339 613 Uninet S.A. de C.V., MX
10620 3375 529 522 Telmex Colombia S.A., CO
11830 2565 369 63 Instituto Costarricense de Electricidad
6503 1632 323 414 Axtel, S.A.B. de C.V., MX
7303 1477 950 286 Telecom Argentina S.A., AR
13999 1423 469 381 Mega Cable, S.A. de C.V., MX
28573 1363 2247 225 CLARO S.A., BR
3816 1136 575 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1124 379 39 Telefonica del Peru S.A.A., PE
11664 958 209 410 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 1427 393 22 LINKdotNET-AS, EG
36992 1131 1539 75 ETISALAT-MISR, EG
24835 1105 462 27 RAYA-AS, EG
36903 917 480 93 MT-MPLS, MA
29571 681 68 12 ORANGE-COTE-IVOIRE, CI
6713 553 1863 34 IAM-AS, MA
15399 494 46 15 WANANCHI-, KE
37342 481 32 1 MOVITEL, MZ
36935 448 519 37 Vodafone-, EG
37148 403 43 95 globacom-as, NG
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 7945 3339 613 Uninet S.A. de C.V., MX
12479 6053 1652 135 UNI2-AS, ES
7545 5671 766 674 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4621 329 153 CABLEONE, US
4538 4501 4192 73 ERX-CERNET-BKB China Education and Rese
16509 4247 8250 1949 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3631 2984 173 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3530 1330 22 VIETEL-AS-AP Viettel Group, VN
10620 3375 529 522 Telmex Colombia S.A., CO
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 6053 5918 UNI2-AS, ES
7545 5671 4997 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4621 4468 CABLEONE, US
4538 4501 4428 ERX-CERNET-BKB China Education and Research Net
7155 4034 4002 VIASAT-SP-BACKBONE, US
7552 3530 3508 VIETEL-AS-AP Viettel Group, VN
22773 3631 3458 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3352 3270 SHAW, CA
45899 3220 3168 VNPT-AS-VN VNPT Corp, VN
8551 3179 3134 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
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
36270 UNALLOCATED 8.24.66.0/24 3356 LEVEL3, US
32985 UNALLOCATED 8.28.31.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US
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
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
23.164.80.0/24 Origin: 31998 KDSNET, US
Transit: 209 CENTURYLINK-US-LEGACY-QWEST, 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 /9:11 /10:39 /11:100 /12:286
/13:576 /14:1175 /15:1937 /16:13486 /17:8295 /18:14036
/19:25605 /20:41040 /21:49501 /22:102262 /23:85380 /24:476574
/25:1273 /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 5039 6053 UNI2-AS, ES
11492 3666 4621 CABLEONE, US
6327 3149 3352 SHAW, CA
7155 3122 4034 VIASAT-SP-BACKBONE, US
22773 2810 3631 ASN-CXA-ALL-CCI-22773-RDC, US
8151 2767 7945 Uninet S.A. de C.V., MX
8551 2638 3179 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
39891 2609 3073 ALJAWWALSTC-AS, SA
30036 2200 2457 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 1994 2310 FRONTIER-FRTR, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1628 2:1122 3:33 4:19 5:3601 6:54
8:1469 9:1 11:1 12:1770 13:346 14:2328
15:72 16:8 17:295 18:85 20:111 23:3994
24:2348 25:3 27:2324 31:2153 32:121 34:1
35:43 36:982 37:3445 38:1873 39:458 40:144
41:3690 42:635 43:2155 44:215 45:14926 46:3512
47:320 49:1510 50:1636 51:90 52:1114 54:226
55:651 56:6 57:52 58:1630 59:1155 60:790
61:2310 62:2151 63:2012 64:5275 65:2346 66:5082
67:2895 68:1170 69:4075 70:1401 71:677 72:2979
74:2573 75:1457 76:671 77:1951 78:1668 79:2403
80:2069 81:1601 82:1325 83:1264 84:1237 85:2681
86:557 87:1764 88:933 89:2814 90:379 91:7127
92:1561 93:2505 94:2788 95:3272 96:1256 97:340
98:920 99:980 100:88 101:1021 102:1085 103:24337
104:3560 105:395 106:900 107:2098 108:734 109:3722
110:1975 111:2051 112:1651 113:1387 114:1529 115:1841
116:1802 117:2091 118:2156 119:1719 120:845 121:1052
122:2533 123:2034 124:1647 125:2107 128:1414 129:1233
130:724 131:1915 132:754 133:306 134:1366 135:313
136:617 137:875 138:2269 139:1027 140:716 141:1095
142:970 143:1244 144:1168 145:366 146:1386 147:1039
148:2133 149:1190 150:768 151:1073 152:1563 153:427
154:4507 155:1223 156:3013 157:1127 158:869 159:1977
160:1970 161:1075 162:3159 163:914 164:1524 165:1321
166:587 167:1668 168:3522 169:592 170:4327 171:778
172:1989 173:2700 174:978 175:1045 176:2725 177:4809
178:2690 179:1814 180:2281 181:2556 182:3113 183:1178
184:2435 185:16947 186:3900 187:3027 188:3335 189:2670
190:8969 191:1419 192:10397 193:7674 194:6287 195:4529
196:3116 197:2051 198:6098 199:5923 200:7270 201:5246
202:10564 203:10205 204:4628 205:3108 206:3176 207:3261
208:4019 209:4526 210:4177 211:2032 212:3477 213:3262
214:1177 215:60 216:6109 217:2446 218:853 219:612
220:2059 221:910 222:986 223:1678
End of report
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