[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Jun 16 20:16:42 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Mon 16 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: 261109
Prefixes after maximum aggregation (per Origin AS): 114926
Deaggregation factor: 2.27
Unique aggregates announced (without unneeded subnets): 135460
Number of IPv4 prefixes with a valid ROA: 117458
Number of IPv4 prefixes with an invalid ROA: 41
Number of IPv4 prefixes with no ROA: 143610
Total ASes present in the Internet Routing Table: 19631
Prefixes per ASN: 13.30
Origin-only ASes present in the Internet Routing Table: 16964
Origin ASes announcing only one prefix: 7695
Transit ASes present in the Internet Routing Table: 2667
Transit-only ASes present in the Internet Routing Table: 702
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: 30
Max AS path prepend of ASN (265171) 25
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: 46662
Number of 32-bit ASNs visible in the Routing Table: 7405
Prefixes from 32-bit ASNs in the Routing Table: 27945
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: 109
Number of addresses announced to Internet: 1555225309
Equivalent to 92 /8s, 178 /16s and 218 /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: 82702
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31828
Total APNIC prefixes after maximum aggregation: 6990
APNIC Deaggregation factor: 4.55
Prefixes being announced from the APNIC address blocks: 30855
Unique aggregates announced from the APNIC address blocks: 7144
APNIC Region origin ASes present in the Internet Routing Table: 1152
APNIC Prefixes per ASN: 26.78
APNIC Region origin ASes announcing only one prefix: 447
APNIC Region transit ASes present in the Internet Routing Table: 186
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: 518
Number of APNIC addresses announced to Internet: 166399596
Equivalent to 9 /8s, 235 /16s and 14 /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: 124698
Total ARIN prefixes after maximum aggregation: 65603
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 122321
Unique aggregates announced from the ARIN address blocks: 66060
ARIN Region origin ASes present in the Internet Routing Table: 9299
ARIN Prefixes per ASN: 13.15
ARIN Region origin ASes announcing only one prefix: 3877
ARIN Region transit ASes present in the Internet Routing Table: 867
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: 2189
Number of ARIN addresses announced to Internet: 960637665
Equivalent to 57 /8s, 66 /16s and 42 /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: 49048
Total RIPE prefixes after maximum aggregation: 26412
RIPE Deaggregation factor: 1.86
Prefixes being announced from the RIPE address blocks: 50865
Unique aggregates announced from the RIPE address blocks: 37041
RIPE Region origin ASes present in the Internet Routing Table: 4615
RIPE Prefixes per ASN: 11.02
RIPE Region origin ASes announcing only one prefix: 1944
RIPE Region transit ASes present in the Internet Routing Table: 691
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: 1899
Number of RIPE addresses announced to Internet: 286301008
Equivalent to 17 /8s, 16 /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: 44055
Total LACNIC prefixes after maximum aggregation: 13177
LACNIC Deaggregation factor: 3.34
Prefixes being announced from the LACNIC address blocks: 43184
Unique aggregates announced from the LACNIC address blocks: 19756
LACNIC Region origin ASes present in the Internet Routing Table: 3444
LACNIC Prefixes per ASN: 12.54
LACNIC Region origin ASes announcing only one prefix: 1320
LACNIC Region transit ASes present in the Internet Routing Table: 711
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2645
Number of LACNIC addresses announced to Internet: 96432192
Equivalent to 5 /8s, 191 /16s and 112 /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: 11111
Total AfriNIC prefixes after maximum aggregation: 2483
AfriNIC Deaggregation factor: 4.47
Prefixes being announced from the AfriNIC address blocks: 13775
Unique aggregates announced from the AfriNIC address blocks: 5351
AfriNIC Region origin ASes present in the Internet Routing Table: 288
AfriNIC Prefixes per ASN: 47.83
AfriNIC Region origin ASes announcing only one prefix: 107
AfriNIC Region transit ASes present in the Internet Routing Table: 73
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: 154
Number of AfriNIC addresses announced to Internet: 45409024
Equivalent to 2 /8s, 180 /16s and 227 /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 1482 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 608 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 13674 40938 5237 AMAZON-02, US
22773 3347 3016 167 ASN-CXA-ALL-CCI-22773-RDC, US
749 3230 54783 2481 DNIC-AS-00749, US
4155 2798 212 1707 USDA-1, US
36352 2554 209 1129 AS-COLOCROSSING, US
367 2437 3164 1164 DNIC-ASBLK-00306-00371, US
7018 1952 22869 1453 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 1181 92 960 AKAMAI-ASN1, NL
3257 1001 2081 782 GTT-BACKBONE GTT, US
3215 887 4818 291 France Telecom - Orange, FR
25019 813 1301 129 SAUDINETSTC-AS, SA
8452 790 1841 16 TE-AS TE-AS, EG
34984 678 74 411 TELLCOM-AS, TR
212238 635 46 560 CDNEXT, GB
51167 568 113 251 CONTABO, DE
8376 564 53 21 Jordan Data Communications, JO
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 7372 1993 940 UNINET, MX
11830 1986 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 1201 371 22 Telefonica del Peru S.A.A., PE
26615 1048 2503 52 TIM SA, BR
18881 885 1127 31 TELEFONICA BRASIL S.A, BR
28006 649 77 298 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 565 82 3 KENET-AS, KE
36903 517 233 346 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 13674 40938 5237 AMAZON-02, US
9808 10894 8758 99 CHINAMOBILE-CN China Mobile Communication
8151 7372 1993 940 UNINET, MX
22773 3347 3016 167 ASN-CXA-ALL-CCI-22773-RDC, US
749 3230 54783 2481 DNIC-AS-00749, US
4155 2798 212 1707 USDA-1, US
36352 2554 209 1129 AS-COLOCROSSING, US
367 2437 3164 1164 DNIC-ASBLK-00306-00371, US
56046 2102 811 188 CMNET-JIANGSU-AP China Mobile communicati
11830 1986 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 7372 6432 UNINET, MX
22773 3347 3180 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1986 1922 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 1482 1432 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
23.140.68.0/24 Origin: 401753 BIXCE-AS, VG
23.140.68.0/24 Transit: 35661 VIRTUASYS-EU Lift weight. Push bytes. Ne
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
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 /14:572 /15:1093 /16:7602 /17:3421 /18:4195
/19:7557 /20:12516 /21:15129 /22:27121 /23:27671 /24:153558
/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 3983 7372 UNINET, MX
22773 2499 3347 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2359 13674 AMAZON-02, US
11830 1689 1986 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 1030 2554 AS-COLOCROSSING, US
19901 989 1293 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 2:457 3:817 4:5 5:802 6:149
7:5 8:667 11:171 12:970 13:398 14:115
15:304 16:247 17:4 18:890 20:187 21:4
22:188 23:2618 24:703 27:21 29:19 31:521
32:9 33:1 34:10 35:180 36:1904 37:849
38:1951 39:550 40:55 41:962 42:21 43:173
44:35 45:3504 46:955 47:92 49:19 50:358
51:387 52:1400 54:323 55:1090 56:11 57:22
58:16 59:30 60:16 61:76 62:532 63:746
64:1958 65:1080 66:1535 67:995 68:400 69:1144
70:469 71:193 72:645 74:932 75:318 76:246
77:480 78:347 79:247 80:292 81:363 82:713
83:207 84:339 85:423 86:229 87:201 88:301
89:704 90:104 91:937 92:634 93:472 94:902
95:668 96:293 97:53 98:459 99:186 100:36
101:21 102:339 103:1040 104:1662 105:205 106:3
107:1568 108:548 109:405 110:35 111:1921 112:523
113:35 114:41 115:23 116:55 117:1043 118:67
119:83 120:1297 121:43 122:67 123:78 124:59
125:25 128:482 129:396 130:674 131:952 132:558
133:211 134:450 135:123 136:603 137:505 138:846
139:423 140:710 141:364 142:1032 143:704 144:426
145:119 146:684 147:501 148:896 149:769 150:215
151:638 152:488 153:130 154:1028 155:865 156:1014
157:376 158:562 159:735 160:861 161:643 162:1027
163:420 164:712 165:533 166:792 167:649 168:1121
169:159 170:1527 171:121 172:1353 173:808 174:286
175:68 176:767 177:822 178:493 179:680 180:40
181:1768 182:25 183:972 184:454 185:3520 186:2059
187:1513 188:816 189:1794 190:4130 191:451 192:5186
193:1887 194:1223 195:926 196:681 197:1609 198:2739
199:4946 200:3633 201:3301 202:943 203:720 204:2157
205:1736 206:1521 207:1546 208:1468 209:1938 210:296
211:426 212:1004 213:752 214:939 215:37 216:2541
217:415 218:526 219:18 220:28 221:390 222:24
223:890
End of report
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