[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 28 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 29 Aug, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 819897
Prefixes after maximum aggregation (per Origin AS): 312416
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 395832
Total ASes present in the Internet Routing Table: 69169
Prefixes per ASN: 11.85
Origin-only ASes present in the Internet Routing Table: 59425
Origin ASes announcing only one prefix: 24673
Transit ASes present in the Internet Routing Table: 9744
Transit-only ASes present in the Internet Routing Table: 303
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 45
Max AS path prepend of ASN ( 37385) 42
Prefixes from unregistered ASNs in the Routing Table: 855
Number of instances of unregistered ASNs: 872
Number of 32-bit ASNs allocated by the RIRs: 33235
Number of 32-bit ASNs visible in the Routing Table: 27393
Prefixes from 32-bit ASNs in the Routing Table: 127300
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: 436
Number of addresses announced to Internet: 2850601216
Equivalent to 169 /8s, 232 /16s and 185 /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: 274044
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 216901
Total APNIC prefixes after maximum aggregation: 63329
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 210716
Unique aggregates announced from the APNIC address blocks: 86746
APNIC Region origin ASes present in the Internet Routing Table: 10831
APNIC Prefixes per ASN: 19.45
APNIC Region origin ASes announcing only one prefix: 3025
APNIC Region transit ASes present in the Internet Routing Table: 1590
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: 5919
Number of APNIC addresses announced to Internet: 769812864
Equivalent to 45 /8s, 226 /16s and 105 /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: 240385
Total ARIN prefixes after maximum aggregation: 110557
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 237925
Unique aggregates announced from the ARIN address blocks: 116401
ARIN Region origin ASes present in the Internet Routing Table: 18565
ARIN Prefixes per ASN: 12.82
ARIN Region origin ASes announcing only one prefix: 6777
ARIN Region transit ASes present in the Internet Routing Table: 1902
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: 3385
Number of ARIN addresses announced to Internet: 1086994688
Equivalent to 64 /8s, 202 /16s and 57 /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: 227825
Total RIPE prefixes after maximum aggregation: 107550
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 224132
Unique aggregates announced from the RIPE address blocks: 135611
RIPE Region origin ASes present in the Internet Routing Table: 27323
RIPE Prefixes per ASN: 8.20
RIPE Region origin ASes announcing only one prefix: 11790
RIPE Region transit ASes present in the Internet Routing Table: 3857
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: 9437
Number of RIPE addresses announced to Internet: 709090688
Equivalent to 42 /8s, 67 /16s and 221 /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: 110441
Total LACNIC prefixes after maximum aggregation: 25555
LACNIC Deaggregation factor: 4.32
Prefixes being announced from the LACNIC address blocks: 111580
Unique aggregates announced from the LACNIC address blocks: 47385
LACNIC Region origin ASes present in the Internet Routing Table: 10351
LACNIC Prefixes per ASN: 10.78
LACNIC Region origin ASes announcing only one prefix: 2581
LACNIC Region transit ASes present in the Internet Routing Table: 1943
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: 7936
Number of LACNIC addresses announced to Internet: 174593280
Equivalent to 10 /8s, 104 /16s and 21 /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: 23489
Total AfriNIC prefixes after maximum aggregation: 4753
AfriNIC Deaggregation factor: 4.94
Prefixes being announced from the AfriNIC address blocks: 35108
Unique aggregates announced from the AfriNIC address blocks: 9341
AfriNIC Region origin ASes present in the Internet Routing Table: 1421
AfriNIC Prefixes per ASN: 24.71
AfriNIC Region origin ASes announcing only one prefix: 500
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: 45
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 716
Number of AfriNIC addresses announced to Internet: 109668864
Equivalent to 6 /8s, 137 /16s and 106 /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 5651 763 673 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4741 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3506 1330 22 VIETEL-AS-AP Viettel Group, VN
45899 3460 1896 52 VNPT-AS-VN VNPT Corp, VN
7713 2732 829 553 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2521 9043 60 CMNET-GD Guangdong Mobile Communication
4766 2348 11103 555 KIXS-AS-KR Korea Telecom, KR
9498 2284 450 223 BBIL-AP BHARTI Airtel Ltd., IN
4755 2142 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 4540 304 647 CABLEONE, US
16509 4191 8247 1923 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3624 2984 173 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3365 1323 84 SHAW, CA
16625 3147 1664 2255 AKAMAI-AS, US
30036 2454 367 112 MEDIACOM-ENTERPRISE-BUSINESS, US
26484 2449 153 333 IKGUL-26484, US
209 2448 5073 521 CENTURYLINK-US-LEGACY-QWEST, US
5650 2309 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 5958 1652 135 UNI2-AS, ES
20940 3180 2217 1027 AKAMAI-ASN1, EU
8551 3159 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
39891 3073 179 21 ALJAWWALSTC-AS, SA
12389 2664 2271 836 ROSTELECOM-AS, RU
34984 2167 354 565 TELLCOM-AS, TR
9009 2148 224 1169 M247, GB
13188 1609 100 35 TRIOLAN, UA
61317 1359 162 609 ASDETUK http://www.heficed.com, GB
58224 1256 832 518 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 7487 3306 602 Uninet S.A. de C.V., MX
10620 3366 530 530 Telmex Colombia S.A., CO
11830 2582 369 63 Instituto Costarricense de Electricidad
6503 1625 323 414 Axtel, S.A.B. de C.V., MX
7303 1483 954 263 Telecom Argentina S.A., AR
13999 1440 483 378 Mega Cable, S.A. de C.V., MX
28573 1361 2246 216 CLARO S.A., BR
3816 1135 574 157 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1115 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 1496 393 22 LINKdotNET-AS, EG
24835 1122 474 25 RAYA-AS, EG
36992 1121 1539 75 ETISALAT-MISR, EG
36903 917 480 93 MT-MPLS, MA
29571 670 68 10 ORANGE-COTE-IVOIRE, CI
6713 553 1863 34 IAM-AS, MA
15399 492 46 14 WANANCHI-, KE
36935 485 522 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 7487 3306 602 Uninet S.A. de C.V., MX
12479 5958 1652 135 UNI2-AS, ES
7545 5651 763 673 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4741 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4540 304 647 CABLEONE, US
16509 4191 8247 1923 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3624 2984 173 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3506 1330 22 VIETEL-AS-AP Viettel Group, VN
45899 3460 1896 52 VNPT-AS-VN VNPT Corp, 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 5958 5823 UNI2-AS, ES
7545 5651 4978 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4741 4668 ERX-CERNET-BKB China Education and Research Net
7155 4034 4002 VIASAT-SP-BACKBONE, US
11492 4540 3893 CABLEONE, US
7552 3506 3484 VIETEL-AS-AP Viettel Group, VN
22773 3624 3451 ASN-CXA-ALL-CCI-22773-RDC, US
45899 3460 3408 VNPT-AS-VN VNPT Corp, VN
6327 3365 3281 SHAW, CA
8551 3159 3114 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
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 /10:39 /11:100 /12:286
/13:576 /14:1174 /15:1933 /16:13463 /17:8266 /18:14024
/19:25889 /20:41063 /21:49236 /22:102034 /23:85048 /24:475471
/25:1275 /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 5958 UNI2-AS, ES
11492 3607 4540 CABLEONE, US
6327 3160 3365 SHAW, CA
7155 3122 4034 VIASAT-SP-BACKBONE, US
22773 2803 3624 ASN-CXA-ALL-CCI-22773-RDC, US
8551 2618 3159 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
39891 2609 3073 ALJAWWALSTC-AS, SA
8151 2593 7487 Uninet S.A. de C.V., MX
30036 2197 2454 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 1994 2309 FRONTIER-FRTR, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1614 2:1127 3:33 4:19 5:3407 6:54
8:1474 9:1 11:1 12:1780 13:466 14:2302
15:72 16:8 17:292 18:85 20:110 23:3916
24:2335 25:3 27:2565 31:2164 32:121 34:1
35:42 36:983 37:3333 38:1893 39:450 40:128
41:3674 42:635 43:2156 44:219 45:14826 46:3659
47:320 49:1530 50:1627 51:90 52:1104 54:225
55:642 56:6 57:52 58:1773 59:1196 60:787
61:2309 62:2150 63:2016 64:5224 65:2344 66:5063
67:2893 68:1180 69:4044 70:1401 71:677 72:2902
74:2583 75:1457 76:670 77:1955 78:1655 79:2413
80:2055 81:1594 82:1304 83:1252 84:1230 85:2675
86:559 87:1745 88:938 89:2792 90:359 91:7103
92:1556 93:2499 94:2764 95:3262 96:1255 97:338
98:925 99:979 100:87 101:1009 102:1066 103:24284
104:3538 105:404 106:905 107:2114 108:728 109:3671
110:1974 111:2056 112:1656 113:1392 114:1519 115:1839
116:1794 117:2085 118:2151 119:1732 120:826 121:1056
122:2534 123:2043 124:1637 125:2128 128:1390 129:1217
130:717 131:1914 132:759 133:306 134:1368 135:300
136:644 137:864 138:2266 139:1040 140:707 141:1090
142:957 143:1224 144:1160 145:364 146:1376 147:1015
148:2123 149:1254 150:916 151:1075 152:1554 153:425
154:4548 155:1218 156:2995 157:1118 158:867 159:1967
160:1960 161:1061 162:3162 163:899 164:1510 165:1313
166:583 167:1659 168:3522 169:597 170:4286 171:775
172:1982 173:2673 174:975 175:1056 176:2681 177:4775
178:2692 179:1693 180:2288 181:2525 182:3114 183:1165
184:2425 185:16898 186:3915 187:2951 188:3328 189:2587
190:8934 191:1524 192:10384 193:7642 194:6276 195:4456
196:3134 197:2050 198:6113 199:5914 200:7300 201:5216
202:10573 203:10205 204:4614 205:3125 206:3165 207:3245
208:4007 209:4484 210:4164 211:2038 212:3483 213:3147
214:1170 215:62 216:6087 217:2433 218:847 219:614
220:2055 221:910 222:997 223:1667
End of report
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