[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jul 7 18:02:06 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 08 Jul, 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: 927158
Prefixes after maximum aggregation (per Origin AS): 351334
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 451954
Total ASes present in the Internet Routing Table: 74563
Prefixes per ASN: 12.43
Origin-only ASes present in the Internet Routing Table: 64025
Origin ASes announcing only one prefix: 26303
Transit ASes present in the Internet Routing Table: 10538
Transit-only ASes present in the Internet Routing Table: 449
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 68
Max AS path prepend of ASN (263725) 64
Prefixes from unregistered ASNs in the Routing Table: 1030
Number of instances of unregistered ASNs: 1034
Number of 32-bit ASNs allocated by the RIRs: 42257
Number of 32-bit ASNs visible in the Routing Table: 34790
Prefixes from 32-bit ASNs in the Routing Table: 173625
Number of bogon 32-bit ASNs visible in the Routing Table: 121
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 549
Number of addresses announced to Internet: 3055806464
Equivalent to 182 /8s, 35 /16s and 232 /24s
Percentage of available address space announced: 82.5
Percentage of allocated address space announced: 82.5
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: 309210
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 245929
Total APNIC prefixes after maximum aggregation: 69872
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 239749
Unique aggregates announced from the APNIC address blocks: 98761
APNIC Region origin ASes present in the Internet Routing Table: 13500
APNIC Prefixes per ASN: 17.76
APNIC Region origin ASes announcing only one prefix: 4010
APNIC Region transit ASes present in the Internet Routing Table: 1796
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8826
Number of APNIC addresses announced to Internet: 773579392
Equivalent to 46 /8s, 27 /16s and 226 /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, 131072-153913
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: 271431
Total ARIN prefixes after maximum aggregation: 123582
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 273803
Unique aggregates announced from the ARIN address blocks: 130901
ARIN Region origin ASes present in the Internet Routing Table: 19104
ARIN Prefixes per ASN: 14.33
ARIN Region origin ASes announcing only one prefix: 6970
ARIN Region transit ASes present in the Internet Routing Table: 1959
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: 4814
Number of ARIN addresses announced to Internet: 1278757632
Equivalent to 76 /8s, 56 /16s and 75 /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: 260245
Total RIPE prefixes after maximum aggregation: 122727
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 256783
Unique aggregates announced from the RIPE address blocks: 159728
RIPE Region origin ASes present in the Internet Routing Table: 28357
RIPE Prefixes per ASN: 9.06
RIPE Region origin ASes announcing only one prefix: 12044
RIPE Region transit ASes present in the Internet Routing Table: 3939
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11231
Number of RIPE addresses announced to Internet: 717248384
Equivalent to 42 /8s, 192 /16s and 87 /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: 118958
Total LACNIC prefixes after maximum aggregation: 28592
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 118102
Unique aggregates announced from the LACNIC address blocks: 49495
LACNIC Region origin ASes present in the Internet Routing Table: 11017
LACNIC Prefixes per ASN: 10.72
LACNIC Region origin ASes announcing only one prefix: 2661
LACNIC Region transit ASes present in the Internet Routing Table: 2303
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 68
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8807
Number of LACNIC addresses announced to Internet: 178396928
Equivalent to 10 /8s, 162 /16s and 31 /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: 29565
Total AfriNIC prefixes after maximum aggregation: 5861
AfriNIC Deaggregation factor: 5.04
Prefixes being announced from the AfriNIC address blocks: 38172
Unique aggregates announced from the AfriNIC address blocks: 12612
AfriNIC Region origin ASes present in the Internet Routing Table: 1763
AfriNIC Prefixes per ASN: 21.65
AfriNIC Region origin ASes announcing only one prefix: 618
AfriNIC Region transit ASes present in the Internet Routing Table: 329
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 40
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1112
Number of AfriNIC addresses announced to Internet: 107498240
Equivalent to 6 /8s, 104 /16s and 75 /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 9534 8706 40 CHINAMOBILE-CN China Mobile Communicati
7545 5685 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4856 4192 75 ERX-CERNET-BKB China Education and Rese
18403 4216 347 25 FPT-AS-AP FPT Telecom Company, VN
7713 3553 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3380 1856 96 VNPT-AS-VN VNPT Corp, VN
7552 3335 1331 21 VIETEL-AS-AP Viettel Group, VN
9498 3043 498 248 BBIL-AP BHARTI Airtel Ltd., IN
4766 2558 11271 592 KIXS-AS-KR Korea Telecom, KR
24560 2442 836 445 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
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 8680 10904 3120 AMAZON-02, US
11492 4522 300 614 CABLEONE, US
7155 4170 288 87 VIASAT-SP-BACKBONE, US
22773 3544 3054 269 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3524 1319 66 SHAW, CA
16625 3147 1559 2365 AKAMAI-AS, US
749 3143 54962 2395 DNIC-AS-00749, US
367 2743 3743 1311 DNIC-ASBLK-00306-00371, US
396982 2674 3594 384 GOOGLE-CLOUD-PLATFORM, US
30036 2492 360 431 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 7301 1706 141 UNI2-AS, ES
39891 4897 290 61 ALJAWWALSTC-AS, SA
20940 4083 3398 160 AKAMAI-ASN1, NL
8551 3466 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2972 2294 913 ROSTELECOM-AS, RU
9009 2654 246 1384 M247, RO
34984 2307 361 609 TELLCOM-AS, TR
58224 1832 946 535 TCI, IR
6849 1800 307 17 UKRTELNET, UA
13188 1606 100 27 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 11544 3376 592 UNINET, MX
10620 3531 507 841 Telmex Colombia S.A., CO
13999 2403 360 631 Mega Cable, S.A. de C.V., MX
11830 2222 369 64 Instituto Costarricense de Electricidad
28573 1316 2324 238 Claro NXT Telecomunicacoes Ltda, BR
3816 1306 774 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6503 1303 344 511 Axtel, S.A.B. de C.V., MX
6147 1131 370 22 Telefonica del Peru S.A.A., PE
11664 1102 177 437 Techtel LMDS Comunicaciones Interactiva
26615 1036 2500 47 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 1617 393 19 LINKdotNET-AS, EG
24835 1548 533 27 RAYA-AS, EG
36992 1314 1518 282 ETISALAT-MISR, EG
36903 1242 550 99 MT-MPLS, MA
29571 1053 67 46 ORANGE-COTE-IVOIRE, CI
36935 923 521 44 Vodafone-, EG
6713 550 1861 34 IAM-AS, MA
15399 534 54 50 WANANCHI-, KE
24757 488 73 5 EthioNet-AS, ET
37342 468 32 1 MOVITEL, MZ
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 11544 3376 592 UNINET, MX
9808 9534 8706 40 CHINAMOBILE-CN China Mobile Communicati
16509 8680 10904 3120 AMAZON-02, US
12479 7301 1706 141 UNI2-AS, ES
7545 5685 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4897 290 61 ALJAWWALSTC-AS, SA
4538 4856 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4522 300 614 CABLEONE, US
18403 4216 347 25 FPT-AS-AP FPT Telecom Company, VN
7155 4170 288 87 VIASAT-SP-BACKBONE, US
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9534 9494 CHINAMOBILE-CN China Mobile Communications Grou
12479 7301 7160 UNI2-AS, ES
16509 8680 5560 AMAZON-02, US
7545 5685 4993 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4897 4836 ALJAWWALSTC-AS, SA
4538 4856 4781 ERX-CERNET-BKB China Education and Research Net
18403 4216 4191 FPT-AS-AP FPT Telecom Company, VN
7155 4170 4083 VIASAT-SP-BACKBONE, US
20940 4083 3923 AKAMAI-ASN1, NL
11492 4522 3908 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
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
19695 UNALLOCATED 8.20.161.0/24 46887 LIGHTOWER, 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
54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US
18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, 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
23.140.216.0/24 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
23.157.120.0/24 Origin: 32872 UNASSIGNED
23.157.120.0/24 Transit: 6939 HURRICANE, US
23.157.136.0/24 Origin: 6145 SYNIO-NET, CA
23.157.136.0/24 Transit: 50058 August Internet, GB
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
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 /11:103 /12:297
/13:577 /14:1201 /15:2075 /16:13470 /17:8265 /18:13855
/19:25227 /20:44404 /21:51538 /22:110124 /23:98754 /24:556448
/25:751 /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 6389 7301 UNI2-AS, ES
8151 5472 11544 UNINET, MX
39891 3632 4897 ALJAWWALSTC-AS, SA
11492 3431 4522 CABLEONE, US
6327 3334 3524 SHAW, CA
7155 3118 4170 VIASAT-SP-BACKBONE, US
8551 2935 3466 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2609 3544 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2147 2492 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2089 3531 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2192 2:1341 3:227 4:5 5:4516 6:130
7:6 8:1553 9:1 11:172 12:1517 13:387
14:2323 15:299 16:196 17:373 18:502 20:262
21:4 22:188 23:6365 24:2535 25:6 27:2467
29:19 31:2518 32:80 34:23 35:114 36:1966
37:4689 38:5001 39:827 40:151 41:3936 42:2006
43:2339 44:304 45:16666 46:4371 47:377 49:1770
50:1862 51:585 52:1590 54:395 55:978 56:8
57:119 58:1888 59:1161 60:984 61:2501 62:2660
63:1912 64:5621 65:2319 66:5040 67:3047 68:1354
69:4098 70:1212 71:687 72:2987 74:2634 75:1567
76:615 77:2456 78:1836 79:2981 80:2120 81:1788
82:1499 83:1258 84:1549 85:3005 86:770 87:2007
88:1188 89:3801 90:615 91:7773 92:2046 93:2606
94:3580 95:4058 96:1313 97:340 98:1136 99:736
100:94 101:1080 102:2802 103:31670 104:4567 105:506
106:894 107:2559 108:1084 109:4249 110:2101 111:3188
112:2061 113:1815 114:1644 115:1971 116:1912 117:2536
118:2618 119:1987 120:1821 121:1135 122:2602 123:2178
124:1620 125:2495 128:1460 129:1057 130:1016 131:1970
132:812 133:422 134:1798 135:308 136:890 137:953
138:2541 139:1577 140:1253 141:1359 142:1472 143:1509
144:1038 145:340 146:1959 147:1585 148:2430 149:2187
150:876 151:1166 152:1846 153:496 154:4650 155:1389
156:1814 157:1313 158:1089 159:2265 160:2583 161:1559
162:3512 163:1566 164:1607 165:1857 166:1077 167:1719
168:3871 169:953 170:4618 171:888 172:3638 173:2960
174:1085 175:1193 176:3780 177:4515 178:3614 179:2169
180:2437 181:3488 182:3435 183:1996 184:2323 185:20456
186:4770 187:4081 188:4124 189:3704 190:9256 191:1391
192:10927 193:8935 194:7339 195:5162 196:3120 197:2378
198:5994 199:6111 200:8091 201:5929 202:10596 203:10135
204:4571 205:3709 206:4334 207:3444 208:4145 209:4930
210:4473 211:2532 212:4261 213:3606 214:1085 215:59
216:6669 217:2762 218:1297 219:584 220:2000 221:965
222:855 223:2187
End of report
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