[menog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri May 5 18:03:43 UTC 2023
This is an automated weekly mailing describing the state of the Global
IPv4 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 https://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
IPv4 Routing Table Report 04:00 +10GMT Sat 06 May, 2023
BGP Table (Global) as seen in Japan.
Report Website: https://thyme.apnic.net
Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 921175
Prefixes after maximum aggregation (per Origin AS): 349130
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 448298
Total ASes present in the Internet Routing Table: 74403
Prefixes per ASN: 12.38
Origin-only ASes present in the Internet Routing Table: 63835
Origin ASes announcing only one prefix: 26244
Transit ASes present in the Internet Routing Table: 10568
Transit-only ASes present in the Internet Routing Table: 439
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 127
Max AS path prepend of ASN (150261) 120
Prefixes from unregistered ASNs in the Routing Table: 1077
Number of instances of unregistered ASNs: 1077
Number of 32-bit ASNs allocated by the RIRs: 41797
Number of 32-bit ASNs visible in the Routing Table: 34561
Prefixes from 32-bit ASNs in the Routing Table: 170988
Number of bogon 32-bit ASNs visible in the Routing Table: 13
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 621
Number of addresses announced to Internet: 3059771008
Equivalent to 182 /8s, 96 /16s and 102 /24s
Percentage of available address space announced: 82.6
Percentage of allocated address space announced: 82.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 307475
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 243936
Total APNIC prefixes after maximum aggregation: 69409
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 238075
Unique aggregates announced from the APNIC address blocks: 97934
APNIC Region origin ASes present in the Internet Routing Table: 13424
APNIC Prefixes per ASN: 17.74
APNIC Region origin ASes announcing only one prefix: 3961
APNIC Region transit ASes present in the Internet Routing Table: 1801
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 127
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8728
Number of APNIC addresses announced to Internet: 773529088
Equivalent to 46 /8s, 27 /16s and 30 /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, 131072-151865
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: 269600
Total ARIN prefixes after maximum aggregation: 122444
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 272217
Unique aggregates announced from the ARIN address blocks: 130042
ARIN Region origin ASes present in the Internet Routing Table: 19092
ARIN Prefixes per ASN: 14.26
ARIN Region origin ASes announcing only one prefix: 6968
ARIN Region transit ASes present in the Internet Routing Table: 1954
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4794
Number of ARIN addresses announced to Internet: 1283932416
Equivalent to 76 /8s, 135 /16s and 65 /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, 393216-401308
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: 259442
Total RIPE prefixes after maximum aggregation: 122186
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 255549
Unique aggregates announced from the RIPE address blocks: 158227
RIPE Region origin ASes present in the Internet Routing Table: 28334
RIPE Prefixes per ASN: 9.02
RIPE Region origin ASes announcing only one prefix: 12072
RIPE Region transit ASes present in the Internet Routing Table: 3964
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11174
Number of RIPE addresses announced to Internet: 718147200
Equivalent to 42 /8s, 206 /16s and 14 /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: 117998
Total LACNIC prefixes after maximum aggregation: 28501
LACNIC Deaggregation factor: 4.14
Prefixes being announced from the LACNIC address blocks: 117269
Unique aggregates announced from the LACNIC address blocks: 49386
LACNIC Region origin ASes present in the Internet Routing Table: 10991
LACNIC Prefixes per ASN: 10.67
LACNIC Region origin ASes announcing only one prefix: 2637
LACNIC Region transit ASes present in the Internet Routing Table: 2305
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 55
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8784
Number of LACNIC addresses announced to Internet: 176697088
Equivalent to 10 /8s, 136 /16s and 47 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 29122
Total AfriNIC prefixes after maximum aggregation: 5811
AfriNIC Deaggregation factor: 5.01
Prefixes being announced from the AfriNIC address blocks: 37444
Unique aggregates announced from the AfriNIC address blocks: 12195
AfriNIC Region origin ASes present in the Internet Routing Table: 1732
AfriNIC Prefixes per ASN: 21.62
AfriNIC Region origin ASes announcing only one prefix: 606
AfriNIC Region transit ASes present in the Internet Routing Table: 335
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1081
Number of AfriNIC addresses announced to Internet: 107053312
Equivalent to 6 /8s, 97 /16s and 129 /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
9808 9486 8706 40 CHINAMOBILE-CN China Mobile Communicati
7545 5726 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4863 4192 75 ERX-CERNET-BKB China Education and Rese
45899 4053 1877 47 VNPT-AS-VN VNPT Corp, VN
7713 3548 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon
7552 3227 1331 21 VIETEL-AS-AP Viettel Group, VN
9498 2949 490 235 BBIL-AP BHARTI Airtel Ltd., IN
4766 2551 11251 591 KIXS-AS-KR Korea Telecom, KR
24560 2385 836 446 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
45090 2184 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 8289 10784 2931 AMAZON-02, US
11492 4533 300 610 CABLEONE, US
7155 3975 281 51 VIASAT-SP-BACKBONE, US
22773 3587 3057 283 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3525 1320 64 SHAW, CA
16625 3121 1581 2362 AKAMAI-AS, US
749 3101 54980 2353 DNIC-AS-00749, US
396982 2637 3591 368 GOOGLE-CLOUD-PLATFORM, US
7018 2515 24151 1580 ATT-INTERNET4, US
30036 2504 360 437 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 7282 1707 141 UNI2-AS, ES
39891 4833 286 59 ALJAWWALSTC-AS, SA
20940 4090 3399 164 AKAMAI-ASN1, NL
8551 3882 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2952 2292 909 ROSTELECOM-AS, RU
9009 2699 250 1394 M247, RO
34984 2273 359 611 TELLCOM-AS, TR
6849 2018 307 18 UKRTELNET, UA
58224 1853 950 535 TCI, IR
13188 1607 100 18 TRIOLAN, UA
Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 11260 3328 593 Uninet S.A. de C.V., MX
10620 3509 507 854 Telmex Colombia S.A., CO
13999 2343 360 621 Mega Cable, S.A. de C.V., MX
11830 2270 369 64 Instituto Costarricense de Electricidad
28573 1331 2324 240 Claro NXT Telecomunicacoes Ltda, BR
6503 1299 339 514 Axtel, S.A.B. de C.V., MX
3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1132 370 22 Telefonica del Peru S.A.A., PE
11664 1099 180 448 Techtel LMDS Comunicaciones Interactiva
26615 1035 2498 45 TIM SA, BR
Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 1591 393 19 LINKdotNET-AS, EG
24835 1553 533 30 RAYA-AS, EG
36992 1338 1518 275 ETISALAT-MISR, EG
36903 1242 550 99 MT-MPLS, MA
29571 1021 67 46 ORANGE-COTE-IVOIRE, CI
36935 875 520 42 Vodafone-, EG
6713 550 1861 34 IAM-AS, MA
15399 533 54 48 WANANCHI-, KE
37342 489 32 1 MOVITEL, MZ
24757 485 73 5 EthioNet-AS, ET
Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 11260 3328 593 Uninet S.A. de C.V., MX
9808 9486 8706 40 CHINAMOBILE-CN China Mobile Communicati
16509 8289 10784 2931 AMAZON-02, US
12479 7282 1707 141 UNI2-AS, ES
7545 5726 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4863 4192 75 ERX-CERNET-BKB China Education and Rese
39891 4833 286 59 ALJAWWALSTC-AS, SA
11492 4533 300 610 CABLEONE, US
20940 4090 3399 164 AKAMAI-ASN1, NL
45899 4053 1877 47 VNPT-AS-VN VNPT Corp, VN
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9486 9446 CHINAMOBILE-CN China Mobile Communications Grou
12479 7282 7141 UNI2-AS, ES
16509 8289 5358 AMAZON-02, US
7545 5726 5032 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4863 4788 ERX-CERNET-BKB China Education and Research Net
39891 4833 4774 ALJAWWALSTC-AS, SA
45899 4053 4006 VNPT-AS-VN VNPT Corp, VN
20940 4090 3926 AKAMAI-ASN1, NL
7155 3975 3924 VIASAT-SP-BACKBONE, US
11492 4533 3923 CABLEONE, US
Complete listing at https://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
3507 UNALLOCATED 5.105.69.0/24 213035 AS-SERVERION Serverion B.V.,
3507 UNALLOCATED 5.105.206.0/24 213035 AS-SERVERION Serverion B.V.,
33492 UNALLOCATED 8.6.184.0/23 33650 COMCAST-33650, US
33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US
396894 UNALLOCATED 8.28.201.0/24 46887 LIGHTOWER, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
Complete listing at https://thyme.apnic.net/current/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE, US
Complete listing at https://thyme.apnic.net/current/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.139.232.0/24 Origin: 211619 MAXKO, HR
23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov
23.140.216.0/24 Origin: 27176 DATAWAGON, US
23.140.216.0/24 Transit: 20278 NEXEON, US
23.141.0.0/24 Origin: 395350 UNASSIGNED
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
27.100.7.0/24 Origin: 56096 UNASSIGNED
27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
41.57.124.0/22 Origin: 37442 UNASSIGNED
41.57.124.0/22 Transit: 37204 TELONE, ZW
Complete listing at https://thyme.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 /8:16 /9:14 /10:39 /11:105 /12:301
/13:579 /14:1196 /15:2049 /16:13466 /17:8231 /18:14285
/19:25195 /20:44250 /21:51262 /22:109695 /23:97776 /24:551973
/25:743 /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 6342 7282 UNI2-AS, ES
8151 5216 11260 Uninet S.A. de C.V., MX
39891 3632 4833 ALJAWWALSTC-AS, SA
11492 3441 4533 CABLEONE, US
8551 3354 3882 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3334 3525 SHAW, CA
7155 3042 3975 VIASAT-SP-BACKBONE, US
22773 2651 3587 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2161 2504 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2064 3509 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1821 2:1302 3:175 4:5 5:4524 6:127
7:6 8:1553 9:1 11:172 12:1535 13:388
14:2332 15:303 16:184 17:374 18:421 20:256
21:4 22:188 23:6227 24:2609 25:6 27:2459
29:19 31:2497 32:77 34:11 35:109 36:1942
37:4700 38:4558 39:827 40:150 41:3908 42:1247
43:2359 44:310 45:16536 46:4286 47:363 49:1757
50:1836 51:573 52:1592 54:389 55:765 56:8
57:114 58:1779 59:1155 60:988 61:2453 62:2650
63:1927 64:5648 65:2330 66:4999 67:3003 68:1353
69:4085 70:1235 71:671 72:2990 74:2620 75:1482
76:613 77:2452 78:1817 79:3170 80:2120 81:1780
82:1500 83:1280 84:1521 85:2959 86:768 87:2021
88:1173 89:3689 90:610 91:7756 92:2069 93:2622
94:3620 95:4010 96:1311 97:335 98:1153 99:745
100:73 101:1073 102:2660 103:31279 104:4655 105:488
106:945 107:2523 108:1031 109:4418 110:2104 111:3145
112:2037 113:1647 114:1651 115:2019 116:1920 117:2535
118:2377 119:2018 120:1824 121:1128 122:2612 123:2218
124:1616 125:2497 128:1378 129:1090 130:1018 131:2002
132:811 133:422 134:1901 135:304 136:880 137:950
138:2556 139:1572 140:1244 141:1457 142:1441 143:1501
144:1170 145:347 146:1943 147:1584 148:2569 149:2228
150:881 151:1160 152:1814 153:489 154:4469 155:1449
156:1779 157:1310 158:1051 159:2316 160:2547 161:1533
162:3512 163:1524 164:1620 165:1717 166:1033 167:1724
168:3867 169:939 170:4580 171:875 172:3549 173:2934
174:1070 175:1178 176:3702 177:4576 178:3593 179:2171
180:2571 181:3471 182:3387 183:1979 184:2340 185:20216
186:4773 187:3968 188:4118 189:3575 190:9156 191:1433
192:10945 193:8870 194:7322 195:5171 196:3099 197:2387
198:5957 199:6104 200:8040 201:5868 202:10672 203:10269
204:4585 205:3688 206:4322 207:3450 208:4085 209:4864
210:4437 211:2497 212:4152 213:3599 214:1088 215:59
216:6646 217:2682 218:1299 219:577 220:2021 221:976
222:885 223:2180
End of report
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