[SANOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jul 12 18:02:23 UTC 2024
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
UKNOF, 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 13 Jul, 2024
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: 954328
Prefixes after maximum aggregation (per Origin AS): 363665
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 465597
Total ASes present in the Internet Routing Table: 75938
Prefixes per ASN: 12.57
Origin-only ASes present in the Internet Routing Table: 65026
Origin ASes announcing only one prefix: 26674
Transit ASes present in the Internet Routing Table: 10912
Transit-only ASes present in the Internet Routing Table: 536
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 84
Max AS path prepend of ASN (152107) 80
Prefixes from unregistered ASNs in the Routing Table: 1020
Number of instances of unregistered ASNs: 1025
Number of 32-bit ASNs allocated by the RIRs: 44960
Number of 32-bit ASNs visible in the Routing Table: 36707
Prefixes from 32-bit ASNs in the Routing Table: 189010
Number of bogon 32-bit ASNs visible in the Routing Table: 24
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 571
Number of addresses announced to Internet: 3026911360
Equivalent to 180 /8s, 107 /16s and 0 /24s
Percentage of available address space announced: 81.8
Percentage of allocated address space announced: 81.8
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: 312151
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255815
Total APNIC prefixes after maximum aggregation: 74526
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 247602
Unique aggregates announced from the APNIC address blocks: 101771
APNIC Region origin ASes present in the Internet Routing Table: 14252
APNIC Prefixes per ASN: 17.37
APNIC Region origin ASes announcing only one prefix: 4324
APNIC Region transit ASes present in the Internet Routing Table: 1914
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 84
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9653
Number of APNIC addresses announced to Internet: 761717632
Equivalent to 45 /8s, 102 /16s and 227 /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: 277964
Total ARIN prefixes after maximum aggregation: 125400
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 282504
Unique aggregates announced from the ARIN address blocks: 134602
ARIN Region origin ASes present in the Internet Routing Table: 19119
ARIN Prefixes per ASN: 14.78
ARIN Region origin ASes announcing only one prefix: 6935
ARIN Region transit ASes present in the Internet Routing Table: 1999
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4932
Number of ARIN addresses announced to Internet: 1267395584
Equivalent to 75 /8s, 138 /16s and 236 /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, 393216-402332
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: 266254
Total RIPE prefixes after maximum aggregation: 127585
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 261482
Unique aggregates announced from the RIPE address blocks: 165270
RIPE Region origin ASes present in the Internet Routing Table: 28663
RIPE Prefixes per ASN: 9.12
RIPE Region origin ASes announcing only one prefix: 12107
RIPE Region transit ASes present in the Internet Routing Table: 3986
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 39
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11899
Number of RIPE addresses announced to Internet: 715058176
Equivalent to 42 /8s, 158 /16s and 236 /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
196608-216475
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: 121526
Total LACNIC prefixes after maximum aggregation: 29242
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 119524
Unique aggregates announced from the LACNIC address blocks: 50055
LACNIC Region origin ASes present in the Internet Routing Table: 11114
LACNIC Prefixes per ASN: 10.75
LACNIC Region origin ASes announcing only one prefix: 2644
LACNIC Region transit ASes present in the Internet Routing Table: 2447
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 55
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9008
Number of LACNIC addresses announced to Internet: 177189376
Equivalent to 10 /8s, 143 /16s and 178 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 31749
Total AfriNIC prefixes after maximum aggregation: 6245
AfriNIC Deaggregation factor: 5.08
Prefixes being announced from the AfriNIC address blocks: 42645
Unique aggregates announced from the AfriNIC address blocks: 13431
AfriNIC Region origin ASes present in the Internet Routing Table: 1853
AfriNIC Prefixes per ASN: 23.01
AfriNIC Region origin ASes announcing only one prefix: 664
AfriNIC Region transit ASes present in the Internet Routing Table: 358
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1215
Number of AfriNIC addresses announced to Internet: 105179392
Equivalent to 6 /8s, 68 /16s and 233 /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 9851 8747 79 CHINAMOBILE-CN China Mobile Communication
7545 5661 776 671 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4934 4192 74 ERX-CERNET-BKB China Education and Resear
18403 4203 347 23 FPT-AS-AP FPT Telecom Company, VN
7552 3961 1331 21 VIETEL-AS-AP Viettel Group, VN
9498 3786 511 264 BBIL-AP BHARTI Airtel Ltd., IN
7713 3623 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3237 1841 104 VNPT-AS-VN VNPT Corp, VN
24560 2824 862 401 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2285 11523 579 KIXS-AS-KR Korea Telecom, KR
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 10073 11530 3664 AMAZON-02, US
11492 4627 307 563 CABLEONE, US
7155 4166 287 88 VIASAT-SP-BACKBONE, US
174 3721 8791 885 COGENT-174, US
6327 3594 1320 78 SHAW, CA
22773 3426 3035 189 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54899 2506 DNIC-AS-00749, US
16625 3111 1307 2189 AKAMAI-AS, US
7018 2932 23686 1834 ATT-INTERNET4, US
396982 2769 3611 417 GOOGLE-CLOUD-PLATFORM, 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 7710 1708 145 UNI2-AS, ES
39891 4758 286 60 ALJAWWALSTC-AS, SA
20940 3830 3396 133 AKAMAI-ASN1, NL
9009 3570 305 1814 M247, RO
12389 2943 2302 887 ROSTELECOM-AS, RU
34984 2346 361 578 TELLCOM-AS, TR
8551 1774 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet
212238 1717 124 1249 CDNEXT, GB
13188 1607 100 26 TRIOLAN, UA
8452 1574 1852 14 TE-AS TE-AS, EG
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 11871 3311 503 UNINET, MX
10620 3521 492 937 Telmex Colombia S.A., CO
13999 2542 354 681 Mega Cable, S.A. de C.V., MX
11830 2001 369 64 Instituto Costarricense de Electricidad y
28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR
3816 1322 777 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO
6503 1124 314 478 Axtel, S.A.B. de C.V., MX
26615 1082 2503 53 TIM SA, BR
6147 1080 369 22 Telefonica del Peru S.A.A., PE
22884 1062 97 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
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 1605 389 16 LINKdotNET-AS, EG
24835 1557 593 29 RAYA-AS, EG
36992 1381 1520 283 ETISALAT-MISR, EG
29571 1260 80 76 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36935 940 521 43 Vodafone-, EG
6713 555 1861 35 IAM-AS, MA
15399 508 56 57 WANANCHI-, KE
36914 502 82 3 KENET-AS, KE
37342 433 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 11871 3311 503 UNINET, MX
16509 10073 11530 3664 AMAZON-02, US
9808 9851 8747 79 CHINAMOBILE-CN China Mobile Communication
12479 7710 1708 145 UNI2-AS, ES
7545 5661 776 671 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4934 4192 74 ERX-CERNET-BKB China Education and Resear
39891 4758 286 60 ALJAWWALSTC-AS, SA
11492 4627 307 563 CABLEONE, US
18403 4203 347 23 FPT-AS-AP FPT Telecom Company, VN
7155 4166 287 88 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 9851 9772 CHINAMOBILE-CN China Mobile Communications Grou
12479 7710 7565 UNI2-AS, ES
16509 10073 6409 AMAZON-02, US
7545 5661 4990 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4934 4860 ERX-CERNET-BKB China Education and Research Net
39891 4758 4698 ALJAWWALSTC-AS, SA
18403 4203 4180 FPT-AS-AP FPT Telecom Company, VN
7155 4166 4078 VIASAT-SP-BACKBONE, US
11492 4627 4064 CABLEONE, US
7552 3961 3940 VIETEL-AS-AP Viettel Group, VN
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
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D
40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US
396894 UNALLOCATED 8.28.201.0/24 46887 CROWNCASTLE-AS46887, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, 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
14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US
14.192.20.0/22 Transit: 6939 HURRICANE, US
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 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US
23.170.224.0/24 Origin: 30168 RESERVED, ZZ
23.170.224.0/24 Transit: 397095 SETSONLLC, US
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 /10:37 /11:92 /12:294
/13:572 /14:1166 /15:2061 /16:13248 /17:8274 /18:13761
/19:24695 /20:44284 /21:51910 /22:111524 /23:99933 /24:581753
/25:694 /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 6796 7710 UNI2-AS, ES
8151 5939 11871 UNINET, MX
11492 3537 4627 CABLEONE, US
39891 3440 4758 ALJAWWALSTC-AS, SA
6327 3391 3594 SHAW, CA
7155 3111 4166 VIASAT-SP-BACKBONE, US
22773 2561 3426 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2160 2500 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2150 3521 Telmex Colombia S.A., CO
16509 2128 10073 AMAZON-02, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2342 2:1543 3:370 4:6 5:4372 6:149
7:6 8:1516 9:1 11:172 12:1435 13:353
14:2373 15:321 16:219 17:371 18:773 20:388
21:4 22:188 23:6912 24:2700 25:2 27:2562
29:19 31:2602 32:48 34:63 35:135 36:2339
37:4503 38:8071 39:907 40:146 41:4083 42:1997
43:2392 44:324 45:17367 46:4536 47:298 49:1971
50:1894 51:581 52:1570 54:314 55:919 56:8
57:217 58:2223 59:1257 60:1048 61:2653 62:2760
63:1881 64:5479 65:2304 66:4628 67:2988 68:1304
69:4062 70:1162 71:557 72:2861 74:2604 75:1550
76:625 77:2489 78:1872 79:1783 80:2201 81:2027
82:1643 83:1368 84:1690 85:3176 86:924 87:2303
88:1242 89:4178 90:690 91:8143 92:2348 93:2712
94:3745 95:4196 96:1277 97:317 98:1023 99:737
100:73 101:1174 102:3510 103:32313 104:4804 105:692
106:1004 107:2486 108:1153 109:4062 110:2131 111:3261
112:2055 113:1820 114:1820 115:2085 116:1974 117:2658
118:2801 119:1981 120:1808 121:1364 122:2697 123:2284
124:1625 125:2863 126:32 128:1428 129:931 130:1181
131:1870 132:812 133:416 134:1733 135:318 136:1121
137:1085 138:2860 139:1523 140:1419 141:1368 142:1668
143:1555 144:1022 145:362 146:2101 147:2007 148:2522
149:2782 150:1033 151:1360 152:2225 153:521 154:6948
155:1492 156:2178 157:1878 158:1170 159:2441 160:2794
161:1696 162:3540 163:1706 164:1666 165:2130 166:1251
167:1817 168:4052 169:801 170:4976 171:1045 172:3881
173:3062 174:892 175:1235 176:3437 177:4605 178:3685
179:2193 180:2415 181:3791 182:3335 183:1981 184:2258
185:20880 186:4933 187:4333 188:4051 189:4140 190:9465
191:1501 192:11056 193:9160 194:7474 195:5303 196:3208
197:2666 198:6055 199:7992 200:8092 201:6222 202:10511
203:10282 204:4586 205:3705 206:4499 207:3610 208:4171
209:5052 210:4645 211:2624 212:4361 213:3594 214:1053
215:49 216:6746 217:3064 218:1394 219:589 220:2026
221:1035 222:856 223:2254
End of report
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