[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 9 18:03:51 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 10 Oct, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 826062
Prefixes after maximum aggregation (per Origin AS): 316047
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 398199
Total ASes present in the Internet Routing Table: 69603
Prefixes per ASN: 11.87
Origin-only ASes present in the Internet Routing Table: 59808
Origin ASes announcing only one prefix: 24791
Transit ASes present in the Internet Routing Table: 9795
Transit-only ASes present in the Internet Routing Table: 304
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: 947
Number of instances of unregistered ASNs: 948
Number of 32-bit ASNs allocated by the RIRs: 33749
Number of 32-bit ASNs visible in the Routing Table: 27899
Prefixes from 32-bit ASNs in the Routing Table: 127659
Number of bogon 32-bit ASNs visible in the Routing Table: 16
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 518
Number of addresses announced to Internet: 2861122816
Equivalent to 170 /8s, 137 /16s and 69 /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: 278612
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 215567
Total APNIC prefixes after maximum aggregation: 63344
APNIC Deaggregation factor: 3.40
Prefixes being announced from the APNIC address blocks: 211259
Unique aggregates announced from the APNIC address blocks: 86600
APNIC Region origin ASes present in the Internet Routing Table: 10908
APNIC Prefixes per ASN: 19.37
APNIC Region origin ASes announcing only one prefix: 3069
APNIC Region transit ASes present in the Internet Routing Table: 1584
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 6023
Number of APNIC addresses announced to Internet: 778576512
Equivalent to 46 /8s, 104 /16s and 34 /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: 241395
Total ARIN prefixes after maximum aggregation: 111284
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 239104
Unique aggregates announced from the ARIN address blocks: 116911
ARIN Region origin ASes present in the Internet Routing Table: 18600
ARIN Prefixes per ASN: 12.86
ARIN Region origin ASes announcing only one prefix: 6768
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: 3461
Number of ARIN addresses announced to Internet: 1089748224
Equivalent to 64 /8s, 244 /16s and 61 /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: 232714
Total RIPE prefixes after maximum aggregation: 110090
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 228843
Unique aggregates announced from the RIPE address blocks: 136172
RIPE Region origin ASes present in the Internet Routing Table: 27439
RIPE Prefixes per ASN: 8.34
RIPE Region origin ASes announcing only one prefix: 11844
RIPE Region transit ASes present in the Internet Routing Table: 3887
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: 9558
Number of RIPE addresses announced to Internet: 709215616
Equivalent to 42 /8s, 69 /16s and 197 /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: 111522
Total LACNIC prefixes after maximum aggregation: 25869
LACNIC Deaggregation factor: 4.31
Prefixes being announced from the LACNIC address blocks: 112696
Unique aggregates announced from the LACNIC address blocks: 47831
LACNIC Region origin ASes present in the Internet Routing Table: 10540
LACNIC Prefixes per ASN: 10.69
LACNIC Region origin ASes announcing only one prefix: 2613
LACNIC Region transit ASes present in the Internet Routing Table: 1969
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: 8130
Number of LACNIC addresses announced to Internet: 174398976
Equivalent to 10 /8s, 101 /16s and 30 /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: 23916
Total AfriNIC prefixes after maximum aggregation: 4738
AfriNIC Deaggregation factor: 5.05
Prefixes being announced from the AfriNIC address blocks: 33642
Unique aggregates announced from the AfriNIC address blocks: 10257
AfriNIC Region origin ASes present in the Internet Routing Table: 1415
AfriNIC Prefixes per ASN: 23.78
AfriNIC Region origin ASes announcing only one prefix: 497
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: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 727
Number of AfriNIC addresses announced to Internet: 108678912
Equivalent to 6 /8s, 122 /16s and 79 /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 5689 769 679 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4700 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3591 1330 21 VIETEL-AS-AP Viettel Group, VN
45899 3243 1896 51 VNPT-AS-VN VNPT Corp, VN
7713 2715 829 620 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2551 9043 60 CMNET-GD Guangdong Mobile Communication
4766 2349 11103 554 KIXS-AS-KR Korea Telecom, KR
9498 2304 450 231 BBIL-AP BHARTI Airtel Ltd., IN
4755 2143 441 193 TATACOMM-AS TATA Communications formerl
9394 2042 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 4578 306 797 CABLEONE, US
16509 4355 8631 1991 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3657 2985 182 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3351 1323 82 SHAW, CA
16625 3089 1625 2219 AKAMAI-AS, US
209 2523 5060 518 CENTURYLINK-US-LEGACY-QWEST, US
30036 2466 366 134 MEDIACOM-ENTERPRISE-BUSINESS, US
26484 2388 149 312 IKGUL-26484, US
5650 2313 2982 1626 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 6202 1652 139 UNI2-AS, ES
39891 3652 203 21 ALJAWWALSTC-AS, SA
8551 3438 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3206 2217 1027 AKAMAI-ASN1, EU
12389 2781 2277 868 ROSTELECOM-AS, RU
47331 2264 399 1720 TTNET, TR
34984 2198 355 572 TELLCOM-AS, TR
9009 2153 228 1164 M247, GB
13188 1609 100 32 TRIOLAN, UA
61317 1332 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 8117 3330 604 Uninet S.A. de C.V., MX
10620 3387 529 527 Telmex Colombia S.A., CO
11830 2564 369 63 Instituto Costarricense de Electricidad
6503 1594 322 446 Axtel, S.A.B. de C.V., MX
7303 1482 953 268 Telecom Argentina S.A., AR
13999 1461 460 389 Mega Cable, S.A. de C.V., MX
28573 1348 2251 223 CLARO S.A., BR
3816 1157 577 162 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1146 379 39 Telefonica del Peru S.A.A., PE
11664 985 211 408 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 1403 393 22 LINKdotNET-AS, EG
36992 1187 1527 125 ETISALAT-MISR, EG
24835 1106 468 28 RAYA-AS, EG
36903 918 480 94 MT-MPLS, MA
29571 700 68 12 ORANGE-COTE-IVOIRE, CI
6713 552 1863 34 IAM-AS, MA
15399 492 46 15 WANANCHI-, KE
37342 481 32 1 MOVITEL, MZ
36935 450 519 37 Vodafone-, EG
36914 350 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 8117 3330 604 Uninet S.A. de C.V., MX
12479 6202 1652 139 UNI2-AS, ES
7545 5689 769 679 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4700 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4578 306 797 CABLEONE, US
16509 4355 8631 1991 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3657 2985 182 ASN-CXA-ALL-CCI-22773-RDC, US
39891 3652 203 21 ALJAWWALSTC-AS, SA
7552 3591 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 6202 6063 UNI2-AS, ES
7545 5689 5010 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4700 4627 ERX-CERNET-BKB China Education and Research Net
7155 4034 4002 VIASAT-SP-BACKBONE, US
11492 4578 3781 CABLEONE, US
39891 3652 3631 ALJAWWALSTC-AS, SA
7552 3591 3570 VIETEL-AS-AP Viettel Group, VN
22773 3657 3475 ASN-CXA-ALL-CCI-22773-RDC, US
8551 3438 3393 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3351 3269 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
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
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
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: 10753 LVLT-10753, US
Transit: 3356 LEVEL3, 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 /9:12 /10:39 /11:100 /12:288
/13:577 /14:1169 /15:1930 /16:13467 /17:8312 /18:13999
/19:25626 /20:40928 /21:49881 /22:102544 /23:86342 /24:479563
/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 5167 6202 UNI2-AS, ES
11492 3695 4578 CABLEONE, US
6327 3148 3351 SHAW, CA
7155 3122 4034 VIASAT-SP-BACKBONE, US
8551 2897 3438 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
8151 2839 8117 Uninet S.A. de C.V., MX
22773 2825 3657 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2801 3652 ALJAWWALSTC-AS, SA
30036 2209 2466 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 1995 2313 FRONTIER-FRTR, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1645 2:1139 3:33 4:19 5:3618 6:54
8:1484 9:1 11:1 12:1767 13:343 14:2352
15:72 16:9 17:297 18:89 20:111 23:4033
24:2328 25:3 27:2323 31:2165 32:119 34:1
35:43 36:1003 37:3492 38:1896 39:466 40:150
41:3797 42:635 43:2136 44:219 45:14743 46:3554
47:320 49:1541 50:1649 51:103 52:1117 54:230
55:697 56:6 57:54 58:1600 59:1164 60:805
61:2319 62:2167 63:2003 64:5273 65:2385 66:5078
67:2918 68:1165 69:4072 70:1395 71:677 72:2988
74:2562 75:1455 76:674 77:1993 78:2084 79:2630
80:2053 81:1632 82:1324 83:1147 84:1254 85:2762
86:568 87:1795 88:1455 89:2858 90:371 91:7150
92:1577 93:2503 94:2805 95:3638 96:1237 97:337
98:937 99:981 100:87 101:1022 102:1098 103:24472
104:3582 105:389 106:909 107:2117 108:697 109:3746
110:1971 111:2348 112:1691 113:1433 114:1527 115:1833
116:1826 117:2107 118:2187 119:1740 120:911 121:1051
122:2558 123:2048 124:1633 125:2140 128:1378 129:1248
130:736 131:1943 132:752 133:307 134:1365 135:330
136:648 137:878 138:2320 139:1311 140:746 141:1101
142:982 143:1216 144:1147 145:348 146:1387 147:1245
148:2138 149:1203 150:757 151:1325 152:1571 153:437
154:3334 155:1269 156:2594 157:1104 158:885 159:1975
160:1968 161:1078 162:3196 163:899 164:1520 165:1313
166:590 167:1660 168:3546 169:617 170:4382 171:779
172:1989 173:2871 174:973 175:1045 176:2794 177:4281
178:2709 179:1889 180:2250 181:2563 182:3107 183:1441
184:2431 185:17077 186:3952 187:3012 188:3305 189:2677
190:9040 191:1476 192:10436 193:7741 194:6306 195:4551
196:3162 197:2156 198:6063 199:5930 200:7324 201:5273
202:10542 203:10193 204:4643 205:3086 206:3217 207:3263
208:3987 209:4505 210:4223 211:2078 212:3526 213:3271
214:1186 215:60 216:6130 217:2472 218:853 219:614
220:2049 221:914 222:974 223:1654
End of report
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