[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 31 Juil 18:03:20 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 01 Aug, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 815500
Prefixes after maximum aggregation (per Origin AS): 310868
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 393629
Total ASes present in the Internet Routing Table: 68860
Prefixes per ASN: 11.84
Origin-only ASes present in the Internet Routing Table: 59159
Origin ASes announcing only one prefix: 24650
Transit ASes present in the Internet Routing Table: 9701
Transit-only ASes present in the Internet Routing Table: 296
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 43
Max AS path prepend of ASN ( 22394) 38
Prefixes from unregistered ASNs in the Routing Table: 841
Number of instances of unregistered ASNs: 843
Number of 32-bit ASNs allocated by the RIRs: 32767
Number of 32-bit ASNs visible in the Routing Table: 27036
Prefixes from 32-bit ASNs in the Routing Table: 125338
Number of bogon 32-bit ASNs visible in the Routing Table: 12
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 509
Number of addresses announced to Internet: 2844968704
Equivalent to 169 /8s, 146 /16s and 199 /24s
Percentage of available address space announced: 76.8
Percentage of allocated address space announced: 76.8
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: 272678
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 215010
Total APNIC prefixes after maximum aggregation: 63028
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 208850
Unique aggregates announced from the APNIC address blocks: 86203
APNIC Region origin ASes present in the Internet Routing Table: 10782
APNIC Prefixes per ASN: 19.37
APNIC Region origin ASes announcing only one prefix: 3028
APNIC Region transit ASes present in the Internet Routing Table: 1598
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5863
Number of APNIC addresses announced to Internet: 768642944
Equivalent to 45 /8s, 208 /16s and 143 /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: 239738
Total ARIN prefixes after maximum aggregation: 110208
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 236987
Unique aggregates announced from the ARIN address blocks: 115687
ARIN Region origin ASes present in the Internet Routing Table: 18557
ARIN Prefixes per ASN: 12.77
ARIN Region origin ASes announcing only one prefix: 6790
ARIN Region transit ASes present in the Internet Routing Table: 1910
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: 3342
Number of ARIN addresses announced to Internet: 1082343936
Equivalent to 64 /8s, 131 /16s and 66 /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: 227115
Total RIPE prefixes after maximum aggregation: 107041
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 223598
Unique aggregates announced from the RIPE address blocks: 134935
RIPE Region origin ASes present in the Internet Routing Table: 27262
RIPE Prefixes per ASN: 8.20
RIPE Region origin ASes announcing only one prefix: 11798
RIPE Region transit ASes present in the Internet Routing Table: 3832
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: 9361
Number of RIPE addresses announced to Internet: 709394560
Equivalent to 42 /8s, 72 /16s and 128 /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: 109432
Total LACNIC prefixes after maximum aggregation: 25164
LACNIC Deaggregation factor: 4.35
Prefixes being announced from the LACNIC address blocks: 110589
Unique aggregates announced from the LACNIC address blocks: 47043
LACNIC Region origin ASes present in the Internet Routing Table: 10173
LACNIC Prefixes per ASN: 10.87
LACNIC Region origin ASes announcing only one prefix: 2540
LACNIC Region transit ASes present in the Internet Routing Table: 1920
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 43
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7757
Number of LACNIC addresses announced to Internet: 174617344
Equivalent to 10 /8s, 104 /16s and 115 /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: 23363
Total AfriNIC prefixes after maximum aggregation: 4766
AfriNIC Deaggregation factor: 4.90
Prefixes being announced from the AfriNIC address blocks: 34967
Unique aggregates announced from the AfriNIC address blocks: 9343
AfriNIC Region origin ASes present in the Internet Routing Table: 1422
AfriNIC Prefixes per ASN: 24.59
AfriNIC Region origin ASes announcing only one prefix: 494
AfriNIC Region transit ASes present in the Internet Routing Table: 286
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 713
Number of AfriNIC addresses announced to Internet: 109538048
Equivalent to 6 /8s, 135 /16s and 107 /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 5554 749 658 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4739 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3425 1330 21 VIETEL-AS-AP Viettel Group, VN
45899 3165 1836 108 VNPT-AS-VN VNPT Corp, VN
7713 2724 828 549 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2535 9043 60 CMNET-GD Guangdong Mobile Communication
4766 2305 11103 556 KIXS-AS-KR Korea Telecom, KR
9498 2289 450 226 BBIL-AP BHARTI Airtel Ltd., IN
4755 2140 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 4501 302 629 CABLEONE, US
16509 4065 8166 1839 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3611 2979 171 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3348 1323 84 SHAW, CA
16625 3118 1652 2243 AKAMAI-AS, US
26484 2438 152 327 IKGUL-26484, US
209 2437 5073 520 CENTURYLINK-US-LEGACY-QWEST, US
30036 2429 364 160 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2307 2981 1623 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 5962 1652 135 UNI2-AS, ES
8551 3236 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3108 2220 1024 AKAMAI-ASN1, EU
39891 2880 171 20 ALJAWWALSTC-AS, SA
12389 2575 2264 770 ROSTELECOM-AS, RU
34984 2169 354 567 TELLCOM-AS, TR
9009 2111 217 1143 M247, GB
13188 1609 100 35 TRIOLAN, UA
61317 1356 157 597 ASDETUK http://www.heficed.com, GB
25019 1192 990 109 SAUDINETSTC-AS, SA
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 7308 3306 604 Uninet S.A. de C.V., MX
10620 3364 530 528 Telmex Colombia S.A., CO
11830 2581 369 63 Instituto Costarricense de Electricidad
6503 1702 325 381 Axtel, S.A.B. de C.V., MX
7303 1492 962 255 Telecom Argentina S.A., AR
28573 1410 2243 212 CLARO S.A., BR
13999 1408 497 372 Mega Cable, S.A. de C.V., MX
6147 1128 379 39 Telefonica del Peru S.A.A., PE
3816 1121 569 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
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 1493 393 22 LINKdotNET-AS, EG
24835 1122 474 23 RAYA-AS, EG
36992 1116 1539 76 ETISALAT-MISR, EG
36903 917 480 93 MT-MPLS, MA
29571 628 68 11 ORANGE-COTE-IVOIRE, CI
6713 552 1863 34 IAM-AS, MA
15399 492 45 12 WANANCHI-, KE
37342 482 32 1 MOVITEL, MZ
36935 461 522 41 Vodafone-, EG
23889 344 231 15 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 7308 3306 604 Uninet S.A. de C.V., MX
12479 5962 1652 135 UNI2-AS, ES
7545 5554 749 658 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4739 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4501 302 629 CABLEONE, US
16509 4065 8166 1839 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3611 2979 171 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3425 1330 21 VIETEL-AS-AP Viettel Group, VN
10620 3364 530 528 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 5962 5827 UNI2-AS, ES
7545 5554 4896 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4739 4666 ERX-CERNET-BKB China Education and Research Net
7155 4034 4002 VIASAT-SP-BACKBONE, US
11492 4501 3872 CABLEONE, US
22773 3611 3440 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3425 3404 VIETEL-AS-AP Viettel Group, VN
6327 3348 3264 SHAW, CA
8551 3236 3191 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
45899 3165 3057 VNPT-AS-VN VNPT Corp, VN
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
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
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
41.67.208.0/21 Origin: 15964 CAMNET-AS, CM
Transit: 12956 TELEFONICA TELXIUS, ES
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 /14:1174 /15:1921 /16:13369 /17:8273 /18:14031
/19:25900 /20:40931 /21:49142 /22:101651 /23:84266 /24:472538
/25:1285 /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 4983 5962 UNI2-AS, ES
11492 3553 4501 CABLEONE, US
6327 3143 3348 SHAW, CA
7155 3122 4034 VIASAT-SP-BACKBONE, US
22773 2797 3611 ASN-CXA-ALL-CCI-22773-RDC, US
8551 2695 3236 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
8151 2497 7308 Uninet S.A. de C.V., MX
39891 2417 2880 ALJAWWALSTC-AS, SA
30036 2173 2429 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 1993 2307 FRONTIER-FRTR, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1602 2:1159 3:31 4:19 5:3407 6:52
8:1460 9:1 11:1 12:1787 13:519 14:2288
15:72 16:8 17:293 18:83 20:109 23:3810
24:2320 25:3 27:2547 31:2179 32:128 34:1
35:41 36:986 37:3318 38:1878 39:444 40:127
41:3683 42:620 43:2130 44:207 45:14655 46:3726
47:318 49:1481 50:1596 51:90 52:1104 54:228
55:683 56:6 57:51 58:1773 59:1187 60:776
61:2310 62:2130 63:1994 64:5209 65:2342 66:5045
67:2879 68:1175 69:4015 70:1397 71:678 72:2886
74:2576 75:1453 76:659 77:1937 78:1646 79:2419
80:2050 81:1633 82:1329 83:1263 84:1230 85:2628
86:550 87:1742 88:935 89:2807 90:349 91:7121
92:1551 93:2507 94:2751 95:3253 96:1231 97:338
98:922 99:977 100:86 101:996 102:1023 103:24064
104:3489 105:401 106:887 107:2064 108:713 109:3714
110:1941 111:2047 112:1639 113:1383 114:1521 115:1830
116:1796 117:2086 118:2132 119:1717 120:835 121:1044
122:2448 123:2009 124:1632 125:2124 128:1391 129:1212
130:688 131:1879 132:768 133:306 134:1383 135:299
136:624 137:854 138:2246 139:1020 140:705 141:1057
142:940 143:1237 144:1104 145:368 146:1374 147:1020
148:2107 149:1233 150:766 151:1084 152:1500 153:420
154:4556 155:1122 156:3064 157:1119 158:866 159:1969
160:1926 161:1057 162:3129 163:872 164:1517 165:1302
166:564 167:1636 168:3543 169:598 170:4272 171:786
172:1955 173:2596 174:981 175:1055 176:2602 177:4720
178:2690 179:1558 180:2274 181:2532 182:3105 183:1158
184:2421 185:16660 186:3867 187:2926 188:3299 189:2567
190:8858 191:1384 192:10396 193:7590 194:6251 195:4419
196:3174 197:2038 198:6130 199:5966 200:7256 201:5219
202:10555 203:10258 204:4565 205:3084 206:3181 207:3275
208:4046 209:4527 210:4032 211:2024 212:3436 213:3146
214:1155 215:62 216:6074 217:2423 218:858 219:612
220:2046 221:915 222:1004 223:1605
End of report
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