[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 21 18:03:28 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 22 Aug, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 818865
Prefixes after maximum aggregation (per Origin AS): 312126
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 395753
Total ASes present in the Internet Routing Table: 69078
Prefixes per ASN: 11.85
Origin-only ASes present in the Internet Routing Table: 59356
Origin ASes announcing only one prefix: 24674
Transit ASes present in the Internet Routing Table: 9722
Transit-only ASes present in the Internet Routing Table: 297
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 42
Max AS path prepend of ASN ( 22394) 38
Prefixes from unregistered ASNs in the Routing Table: 852
Number of instances of unregistered ASNs: 869
Number of 32-bit ASNs allocated by the RIRs: 33136
Number of 32-bit ASNs visible in the Routing Table: 27294
Prefixes from 32-bit ASNs in the Routing Table: 126720
Number of bogon 32-bit ASNs visible in the Routing Table: 33
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 445
Number of addresses announced to Internet: 2846637824
Equivalent to 169 /8s, 172 /16s and 63 /24s
Percentage of available address space announced: 76.9
Percentage of allocated address space announced: 76.9
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: 273841
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 216404
Total APNIC prefixes after maximum aggregation: 63286
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 210231
Unique aggregates announced from the APNIC address blocks: 86619
APNIC Region origin ASes present in the Internet Routing Table: 10833
APNIC Prefixes per ASN: 19.41
APNIC Region origin ASes announcing only one prefix: 3034
APNIC Region transit ASes present in the Internet Routing Table: 1591
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 31
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5910
Number of APNIC addresses announced to Internet: 769613696
Equivalent to 45 /8s, 223 /16s and 95 /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: 240348
Total ARIN prefixes after maximum aggregation: 110518
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 237851
Unique aggregates announced from the ARIN address blocks: 116340
ARIN Region origin ASes present in the Internet Routing Table: 18563
ARIN Prefixes per ASN: 12.81
ARIN Region origin ASes announcing only one prefix: 6778
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: 42
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3379
Number of ARIN addresses announced to Internet: 1082992896
Equivalent to 64 /8s, 141 /16s and 41 /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: 227630
Total RIPE prefixes after maximum aggregation: 107425
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 224015
Unique aggregates announced from the RIPE address blocks: 135689
RIPE Region origin ASes present in the Internet Routing Table: 27304
RIPE Prefixes per ASN: 8.20
RIPE Region origin ASes announcing only one prefix: 11789
RIPE Region transit ASes present in the Internet Routing Table: 3869
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9418
Number of RIPE addresses announced to Internet: 709298304
Equivalent to 42 /8s, 71 /16s and 8 /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: 110146
Total LACNIC prefixes after maximum aggregation: 25459
LACNIC Deaggregation factor: 4.33
Prefixes being announced from the LACNIC address blocks: 111259
Unique aggregates announced from the LACNIC address blocks: 47390
LACNIC Region origin ASes present in the Internet Routing Table: 10285
LACNIC Prefixes per ASN: 10.82
LACNIC Region origin ASes announcing only one prefix: 2574
LACNIC Region transit ASes present in the Internet Routing Table: 1917
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7872
Number of LACNIC addresses announced to Internet: 174689280
Equivalent to 10 /8s, 105 /16s and 140 /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: 23484
Total AfriNIC prefixes after maximum aggregation: 4766
AfriNIC Deaggregation factor: 4.93
Prefixes being announced from the AfriNIC address blocks: 35064
Unique aggregates announced from the AfriNIC address blocks: 9359
AfriNIC Region origin ASes present in the Internet Routing Table: 1421
AfriNIC Prefixes per ASN: 24.68
AfriNIC Region origin ASes announcing only one prefix: 499
AfriNIC Region transit ASes present in the Internet Routing Table: 288
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 715
Number of AfriNIC addresses announced to Internet: 109599744
Equivalent to 6 /8s, 136 /16s and 92 /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 5631 761 674 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4634 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3486 1330 22 VIETEL-AS-AP Viettel Group, VN
45899 3286 1896 51 VNPT-AS-VN VNPT Corp, VN
7713 2737 830 555 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2521 9043 60 CMNET-GD Guangdong Mobile Communication
4766 2340 11101 552 KIXS-AS-KR Korea Telecom, KR
9498 2290 450 226 BBIL-AP BHARTI Airtel Ltd., IN
4755 2143 441 193 TATACOMM-AS TATA Communications formerl
9394 2038 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 4532 304 644 CABLEONE, US
16509 4168 8246 1899 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3623 2984 173 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3365 1323 84 SHAW, CA
16625 3140 1660 2248 AKAMAI-AS, US
30036 2453 367 106 MEDIACOM-ENTERPRISE-BUSINESS, US
26484 2449 153 333 IKGUL-26484, US
209 2446 5073 521 CENTURYLINK-US-LEGACY-QWEST, US
5650 2308 2981 1624 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 5961 1652 135 UNI2-AS, ES
20940 3151 2217 1025 AKAMAI-ASN1, EU
8551 3128 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
39891 3073 179 21 ALJAWWALSTC-AS, SA
12389 2665 2271 836 ROSTELECOM-AS, RU
34984 2168 354 566 TELLCOM-AS, TR
9009 2138 224 1167 M247, GB
13188 1609 100 35 TRIOLAN, UA
61317 1356 160 604 ASDETUK http://www.heficed.com, GB
58224 1226 826 519 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 7454 3305 601 Uninet S.A. de C.V., MX
10620 3367 530 520 Telmex Colombia S.A., CO
11830 2581 369 63 Instituto Costarricense de Electricidad
6503 1625 323 414 Axtel, S.A.B. de C.V., MX
7303 1509 979 258 Telecom Argentina S.A., AR
13999 1445 503 381 Mega Cable, S.A. de C.V., MX
28573 1356 2243 218 CLARO S.A., BR
3816 1130 571 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1117 379 39 Telefonica del Peru S.A.A., PE
11172 957 111 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 1495 393 22 LINKdotNET-AS, EG
24835 1120 466 24 RAYA-AS, EG
36992 1120 1539 75 ETISALAT-MISR, EG
36903 917 480 93 MT-MPLS, MA
29571 665 68 11 ORANGE-COTE-IVOIRE, CI
6713 552 1863 34 IAM-AS, MA
15399 491 45 13 WANANCHI-, KE
36935 484 522 40 Vodafone-, EG
37342 481 32 1 MOVITEL, MZ
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 7454 3305 601 Uninet S.A. de C.V., MX
12479 5961 1652 135 UNI2-AS, ES
7545 5631 761 674 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4634 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4532 304 644 CABLEONE, US
16509 4168 8246 1899 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3623 2984 173 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3486 1330 22 VIETEL-AS-AP Viettel Group, VN
10620 3367 530 520 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 5961 5826 UNI2-AS, ES
7545 5631 4957 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4634 4561 ERX-CERNET-BKB China Education and Research Net
7155 4034 4002 VIASAT-SP-BACKBONE, US
11492 4532 3888 CABLEONE, US
7552 3486 3464 VIETEL-AS-AP Viettel Group, VN
22773 3623 3450 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3365 3281 SHAW, CA
45899 3286 3235 VNPT-AS-VN VNPT Corp, VN
8551 3128 3083 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
62485 UNALLOCATED 8.23.229.0/24 3356 LEVEL3, 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
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
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
27.126.158.0/23 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala
41.78.164.0/24 Origin: 328013 ISPAfrika, ZA
Transit: 37179 AFRICAINX, ZA
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 /10:38 /11:100 /12:286
/13:575 /14:1175 /15:1932 /16:13473 /17:8268 /18:14051
/19:25959 /20:40895 /21:49196 /22:101863 /23:84827 /24:474931
/25:1276 /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 4982 5961 UNI2-AS, ES
11492 3599 4532 CABLEONE, US
6327 3160 3365 SHAW, CA
7155 3122 4034 VIASAT-SP-BACKBONE, US
22773 2805 3623 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2609 3073 ALJAWWALSTC-AS, SA
8551 2587 3128 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
8151 2563 7454 Uninet S.A. de C.V., MX
30036 2196 2453 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 1994 2308 FRONTIER-FRTR, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1615 2:1139 3:33 4:19 5:3410 6:53
8:1470 9:1 11:1 12:1782 13:519 14:2289
15:72 16:8 17:292 18:85 20:110 23:3904
24:2339 25:3 27:2567 31:2158 32:126 34:1
35:42 36:988 37:3322 38:1884 39:450 40:128
41:3688 42:638 43:2147 44:217 45:14740 46:3673
47:320 49:1515 50:1628 51:90 52:1099 54:224
55:616 56:6 57:52 58:1769 59:1187 60:791
61:2302 62:2127 63:2017 64:5234 65:2346 66:5074
67:2900 68:1178 69:4039 70:1401 71:677 72:2903
74:2583 75:1458 76:672 77:1954 78:1648 79:2320
80:2031 81:1604 82:1303 83:1256 84:1230 85:2658
86:561 87:1749 88:932 89:2791 90:360 91:7121
92:1557 93:2492 94:2785 95:3259 96:1251 97:338
98:925 99:979 100:87 101:1011 102:1077 103:24227
104:3508 105:404 106:898 107:2112 108:715 109:3718
110:1966 111:2060 112:1662 113:1389 114:1521 115:1841
116:1797 117:2087 118:2153 119:1727 120:823 121:1055
122:2535 123:2039 124:1635 125:2142 128:1379 129:1213
130:707 131:1900 132:755 133:306 134:1393 135:300
136:643 137:859 138:2258 139:1044 140:710 141:1092
142:948 143:1225 144:1156 145:364 146:1379 147:1012
148:2104 149:1292 150:915 151:1087 152:1556 153:426
154:4546 155:1210 156:2996 157:1117 158:862 159:1963
160:1950 161:1058 162:3162 163:894 164:1501 165:1311
166:572 167:1649 168:3525 169:596 170:4262 171:792
172:1979 173:2664 174:981 175:1053 176:2747 177:4795
178:2682 179:1692 180:2286 181:2535 182:3115 183:1164
184:2422 185:16801 186:3871 187:2975 188:3317 189:2554
190:8908 191:1434 192:10380 193:7627 194:6262 195:4461
196:3130 197:2041 198:6111 199:5930 200:7280 201:5227
202:10580 203:10201 204:4608 205:3105 206:3173 207:3260
208:4021 209:4513 210:4150 211:2032 212:3507 213:3148
214:1177 215:62 216:6070 217:2418 218:849 219:611
220:2051 221:909 222:996 223:1663
End of report
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