[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Jun 15 20:16:38 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sun 15 Jun, 2025
IPv4 BGP Table (R&E) as seen at KREONet2.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/
Analysis Summary
----------------
BGP routing table entries examined: 261371
Prefixes after maximum aggregation (per Origin AS): 115008
Deaggregation factor: 2.27
Unique aggregates announced (without unneeded subnets): 135556
Number of IPv4 prefixes with a valid ROA: 117822
Number of IPv4 prefixes with an invalid ROA: 41
Number of IPv4 prefixes with no ROA: 143508
Total ASes present in the Internet Routing Table: 19623
Prefixes per ASN: 13.32
Origin-only ASes present in the Internet Routing Table: 16944
Origin ASes announcing only one prefix: 7677
Transit ASes present in the Internet Routing Table: 2679
Transit-only ASes present in the Internet Routing Table: 713
Paths with bogon ASNs present in the IPv4 Routing Table: 13
Average AS path length visible in the Internet Routing Table: 5.8
Max AS path length visible: 29
Max AS path prepend of ASN (214570) 20
Prefixes from unregistered ASNs in the Routing Table: 369
Number of instances of unregistered ASNs: 401
Number of 32-bit ASNs allocated by the RIRs: 46661
Number of 32-bit ASNs visible in the Routing Table: 7406
Prefixes from 32-bit ASNs in the Routing Table: 27905
Number of bogon 32-bit ASNs visible in the Routing Table: 74
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 108
Number of addresses announced to Internet: 1556429277
Equivalent to 92 /8s, 197 /16s and 57 /24s
Percentage of available address space announced: 42.0
Percentage of allocated address space announced: 42.0
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: 82888
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31808
Total APNIC prefixes after maximum aggregation: 6976
APNIC Deaggregation factor: 4.56
Prefixes being announced from the APNIC address blocks: 30851
Unique aggregates announced from the APNIC address blocks: 7144
APNIC Region origin ASes present in the Internet Routing Table: 1145
APNIC Prefixes per ASN: 26.94
APNIC Region origin ASes announcing only one prefix: 442
APNIC Region transit ASes present in the Internet Routing Table: 184
Average APNIC Region AS path length visible: 7.4
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 519
Number of APNIC addresses announced to Internet: 166398828
Equivalent to 9 /8s, 235 /16s and 11 /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, 131072-155961
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: 124653
Total ARIN prefixes after maximum aggregation: 65575
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 122247
Unique aggregates announced from the ARIN address blocks: 66059
ARIN Region origin ASes present in the Internet Routing Table: 9293
ARIN Prefixes per ASN: 13.15
ARIN Region origin ASes announcing only one prefix: 3871
ARIN Region transit ASes present in the Internet Routing Table: 866
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 26
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2185
Number of ARIN addresses announced to Internet: 960995041
Equivalent to 57 /8s, 71 /16s and 158 /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, 45/8, 47/8, 48/8, 50/8, 52/8,
54/8, 55/8, 56/8, 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: 49356
Total RIPE prefixes after maximum aggregation: 26501
RIPE Deaggregation factor: 1.86
Prefixes being announced from the RIPE address blocks: 51166
Unique aggregates announced from the RIPE address blocks: 37242
RIPE Region origin ASes present in the Internet Routing Table: 4626
RIPE Prefixes per ASN: 11.06
RIPE Region origin ASes announcing only one prefix: 1935
RIPE Region transit ASes present in the Internet Routing Table: 694
Average RIPE Region AS path length visible: 5.6
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1904
Number of RIPE addresses announced to Internet: 286366544
Equivalent to 17 /8s, 17 /16s and 155 /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,
53/8, 57/8, 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: 44109
Total LACNIC prefixes after maximum aggregation: 13253
LACNIC Deaggregation factor: 3.33
Prefixes being announced from the LACNIC address blocks: 43208
Unique aggregates announced from the LACNIC address blocks: 19694
LACNIC Region origin ASes present in the Internet Routing Table: 3432
LACNIC Prefixes per ASN: 12.59
LACNIC Region origin ASes announcing only one prefix: 1324
LACNIC Region transit ASes present in the Internet Routing Table: 714
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 23
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2645
Number of LACNIC addresses announced to Internet: 96696384
Equivalent to 5 /8s, 195 /16s and 120 /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: 11076
Total AfriNIC prefixes after maximum aggregation: 2442
AfriNIC Deaggregation factor: 4.54
Prefixes being announced from the AfriNIC address blocks: 13791
Unique aggregates announced from the AfriNIC address blocks: 5310
AfriNIC Region origin ASes present in the Internet Routing Table: 283
AfriNIC Prefixes per ASN: 48.73
AfriNIC Region origin ASes announcing only one prefix: 105
AfriNIC Region transit ASes present in the Internet Routing Table: 74
Average AfriNIC Region AS path length visible: 6.5
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 153
Number of AfriNIC addresses announced to Internet: 45926912
Equivalent to 2 /8s, 188 /16s and 202 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 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 10894 8758 99 CHINAMOBILE-CN China Mobile Communication
56046 2102 811 188 CMNET-JIANGSU-AP China Mobile communicati
56041 1634 718 90 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1481 192 50 CMNET-HUNAN-AP China Mobile communication
24547 867 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 778 500 75 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 605 2170 465 SINET-AS Research Organization of Informa
24445 522 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 513 848 135 ALIBABA-CN-NET Alibaba US Technology Co.,
17676 462 8751 151 GIGAINFRA SoftBank Corp., JP
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13665 40938 5235 AMAZON-02, US
22773 3344 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3230 54783 2481 DNIC-AS-00749, US
4155 2788 212 1712 USDA-1, US
36352 2555 209 1127 AS-COLOCROSSING, US
367 2425 3156 1157 DNIC-ASBLK-00306-00371, US
7018 1985 22873 1465 ATT-INTERNET4, US
6167 1903 3929 507 CELLCO-PART, US
11776 1901 259 214 ATLANTICBB-JOHNSTOWN, US
209 1659 4889 270 CENTURYLINK-US-LEGACY-QWEST, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
39891 1936 130 50 ALJAWWALSTC-AS, SA
20940 1156 90 943 AKAMAI-ASN1, NL
3257 1001 2081 782 GTT-BACKBONE GTT, US
3215 887 4818 291 France Telecom - Orange, FR
25019 810 1301 129 SAUDINETSTC-AS, SA
8452 794 1841 16 TE-AS TE-AS, EG
34984 678 74 411 TELLCOM-AS, TR
212238 634 46 559 CDNEXT, GB
8376 573 53 21 Jordan Data Communications, JO
51167 568 113 251 CONTABO, DE
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 7370 1993 939 UNINET, MX
11830 1990 369 64 Instituto Costarricense de Electricidad y
10620 1669 243 1209 Telmex Colombia S.A., CO
3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1200 371 22 Telefonica del Peru S.A.A., PE
26615 1035 2503 52 TIM SA, BR
18881 884 1127 31 TELEFONICA BRASIL S.A, BR
28006 648 77 297 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 627 90 33 ENTEL CHILE S.A., CL
6503 531 346 131 Axtel, S.A.B. de C.V., MX
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 1463 389 16 LINKdotNET-AS, EG
29571 1109 100 73 ORANGE-COTE-IVOIRE, CI
24835 1062 476 108 RAYA-AS, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36992 604 1228 124 ETISALAT-MISR, EG
36935 575 121 161 Vodafone-, EG
36914 560 82 3 KENET-AS, KE
36903 465 209 333 MT-MPLS, MA
37069 451 1046 15 MOBINIL, EG
2018 374 318 69 TENET-1, ZA
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13665 40938 5235 AMAZON-02, US
9808 10894 8758 99 CHINAMOBILE-CN China Mobile Communication
8151 7370 1993 939 UNINET, MX
22773 3344 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3230 54783 2481 DNIC-AS-00749, US
4155 2788 212 1712 USDA-1, US
36352 2555 209 1127 AS-COLOCROSSING, US
367 2425 3156 1157 DNIC-ASBLK-00306-00371, US
56046 2102 811 188 CMNET-JIANGSU-AP China Mobile communicati
11830 1990 369 64 Instituto Costarricense de Electricidad y
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 10894 10795 CHINAMOBILE-CN China Mobile Communications Grou
8151 7370 6431 UNINET, MX
22773 3344 3178 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1990 1926 Instituto Costarricense de Electricidad y Telec
56046 2102 1914 CMNET-JIANGSU-AP China Mobile communications co
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1901 1687 ATLANTICBB-JOHNSTOWN, US
56041 1634 1544 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1463 1447 LINKdotNET-AS, EG
56047 1481 1431 CMNET-HUNAN-AP China Mobile communications corp
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US
394804 UNALLOCATED 8.33.225.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US
1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US
22542 UNALLOCATED 8.42.195.0/24 3356 LEVEL3, US
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.42.219.0/24 3356 LEVEL3, US
399953 UNALLOCATED 12.9.122.0/24 7018 ATT-INTERNET4, US
13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/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://bgp.nsrc.org/REN/KREONet2/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 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
41.204.224.0/24 Origin: 36911 RESERVED, ZZ
41.204.224.0/24 Transit: 328766 RESERVED, ZZ
41.204.226.0/24 Origin: 36911 RESERVED, ZZ
41.204.226.0/24 Transit: 328766 RESERVED, ZZ
41.204.227.0/24 Origin: 36911 RESERVED, ZZ
41.204.227.0/24 Transit: 328766 RESERVED, ZZ
Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 /8:13 /9:10 /10:30 /11:41 /12:151
/13:207 /14:573 /15:1095 /16:7620 /17:3428 /18:4214
/19:7570 /20:12533 /21:15112 /22:27176 /23:27721 /24:153655
/25:63 /26:81 /27:33 /28:13 /29:16 /30:10
/31:1 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3982 7370 UNINET, MX
22773 2497 3344 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2369 13665 AMAZON-02, US
11830 1693 1990 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 1030 2555 AS-COLOCROSSING, US
19901 988 1288 BRSPD-PUBLIC, US
209 964 1659 CENTURYLINK-US-LEGACY-QWEST, US
10620 964 1669 Telmex Colombia S.A., CO
11776 883 1901 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:19 2:452 3:815 4:5 5:805 6:149
7:5 8:667 11:171 12:966 13:395 14:115
15:304 16:247 17:4 18:889 20:187 21:4
22:188 23:2604 24:702 27:21 29:19 31:533
32:9 33:1 34:10 35:180 36:1907 37:846
38:1970 39:550 40:55 41:959 42:21 43:169
44:35 45:3494 46:983 47:92 49:19 50:358
51:387 52:1400 54:323 55:1090 56:11 57:22
58:16 59:30 60:16 61:75 62:537 63:746
64:1958 65:1081 66:1536 67:994 68:400 69:1144
70:471 71:193 72:645 74:931 75:318 76:248
77:478 78:357 79:291 80:303 81:372 82:733
83:207 84:339 85:423 86:245 87:204 88:301
89:711 90:104 91:938 92:635 93:493 94:903
95:670 96:289 97:53 98:458 99:189 100:36
101:21 102:340 103:1040 104:1659 105:209 106:3
107:1565 108:550 109:404 110:35 111:1921 112:522
113:35 114:41 115:24 116:58 117:1043 118:67
119:83 120:1297 121:43 122:67 123:78 124:59
125:25 128:487 129:395 130:672 131:942 132:558
133:211 134:450 135:123 136:601 137:503 138:829
139:424 140:710 141:364 142:1031 143:696 144:424
145:119 146:687 147:501 148:895 149:777 150:212
151:640 152:490 153:130 154:1047 155:864 156:1034
157:375 158:561 159:740 160:860 161:645 162:1027
163:414 164:711 165:530 166:794 167:647 168:1129
169:162 170:1521 171:125 172:1358 173:808 174:286
175:68 176:769 177:808 178:515 179:676 180:40
181:1760 182:25 183:972 184:453 185:3543 186:2058
187:1494 188:820 189:1802 190:4041 191:454 192:5180
193:1890 194:1229 195:927 196:683 197:1606 198:2740
199:4936 200:3610 201:3306 202:946 203:722 204:2157
205:1722 206:1528 207:1540 208:1465 209:1938 210:296
211:426 212:1019 213:750 214:938 215:37 216:2550
217:414 218:526 219:18 220:28 221:390 222:24
223:890
End of report
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