[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jun 18 20:16:40 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Wed 18 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: 263512
Prefixes after maximum aggregation (per Origin AS): 115332
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 135725
Number of IPv4 prefixes with a valid ROA: 119957
Number of IPv4 prefixes with an invalid ROA: 43
Number of IPv4 prefixes with no ROA: 143512
Total ASes present in the Internet Routing Table: 19651
Prefixes per ASN: 13.41
Origin-only ASes present in the Internet Routing Table: 16962
Origin ASes announcing only one prefix: 7689
Transit ASes present in the Internet Routing Table: 2689
Transit-only ASes present in the Internet Routing Table: 696
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: 46679
Number of 32-bit ASNs visible in the Routing Table: 7403
Prefixes from 32-bit ASNs in the Routing Table: 28409
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: 1556650205
Equivalent to 92 /8s, 200 /16s and 152 /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: 83841
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32349
Total APNIC prefixes after maximum aggregation: 7225
APNIC Deaggregation factor: 4.48
Prefixes being announced from the APNIC address blocks: 31368
Unique aggregates announced from the APNIC address blocks: 7500
APNIC Region origin ASes present in the Internet Routing Table: 1195
APNIC Prefixes per ASN: 26.25
APNIC Region origin ASes announcing only one prefix: 464
APNIC Region transit ASes present in the Internet Routing Table: 190
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: 555
Number of APNIC addresses announced to Internet: 166532972
Equivalent to 9 /8s, 237 /16s and 23 /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: 124537
Total ARIN prefixes after maximum aggregation: 65572
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 122367
Unique aggregates announced from the ARIN address blocks: 66167
ARIN Region origin ASes present in the Internet Routing Table: 9303
ARIN Prefixes per ASN: 13.15
ARIN Region origin ASes announcing only one prefix: 3870
ARIN Region transit ASes present in the Internet Routing Table: 872
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: 2191
Number of ARIN addresses announced to Internet: 960211169
Equivalent to 57 /8s, 59 /16s and 168 /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: 51038
Total RIPE prefixes after maximum aggregation: 26597
RIPE Deaggregation factor: 1.92
Prefixes being announced from the RIPE address blocks: 52858
Unique aggregates announced from the RIPE address blocks: 37316
RIPE Region origin ASes present in the Internet Routing Table: 4631
RIPE Prefixes per ASN: 11.41
RIPE Region origin ASes announcing only one prefix: 1954
RIPE Region transit ASes present in the Internet Routing Table: 699
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: 1915
Number of RIPE addresses announced to Internet: 286117200
Equivalent to 17 /8s, 13 /16s and 205 /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: 44514
Total LACNIC prefixes after maximum aggregation: 13287
LACNIC Deaggregation factor: 3.35
Prefixes being announced from the LACNIC address blocks: 43599
Unique aggregates announced from the LACNIC address blocks: 19902
LACNIC Region origin ASes present in the Internet Routing Table: 3403
LACNIC Prefixes per ASN: 12.81
LACNIC Region origin ASes announcing only one prefix: 1290
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: 2585
Number of LACNIC addresses announced to Internet: 98235200
Equivalent to 5 /8s, 218 /16s and 243 /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: 10705
Total AfriNIC prefixes after maximum aggregation: 2390
AfriNIC Deaggregation factor: 4.48
Prefixes being announced from the AfriNIC address blocks: 13212
Unique aggregates announced from the AfriNIC address blocks: 4733
AfriNIC Region origin ASes present in the Internet Routing Table: 292
AfriNIC Prefixes per ASN: 45.25
AfriNIC Region origin ASes announcing only one prefix: 111
AfriNIC Region transit ASes present in the Internet Routing Table: 79
Average AfriNIC Region AS path length visible: 6.3
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 157
Number of AfriNIC addresses announced to Internet: 45508096
Equivalent to 2 /8s, 182 /16s and 102 /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 11037 8759 104 CHINAMOBILE-CN China Mobile Communication
56046 2130 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 868 177 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 509 848 134 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 13657 40933 5225 AMAZON-02, US
22773 3345 3016 165 ASN-CXA-ALL-CCI-22773-RDC, US
749 3227 54767 2478 DNIC-AS-00749, US
4155 2780 211 1700 USDA-1, US
36352 2551 209 1125 AS-COLOCROSSING, US
367 2426 3163 1161 DNIC-ASBLK-00306-00371, US
7018 1952 22869 1453 ATT-INTERNET4, US
6167 1910 3953 511 CELLCO-PART, US
11776 1901 259 214 ATLANTICBB-JOHNSTOWN, US
209 1658 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 3591 219 64 ALJAWWALSTC-AS, SA
20940 1194 93 970 AKAMAI-ASN1, NL
3257 1001 2081 783 GTT-BACKBONE GTT, US
3215 887 4818 291 France Telecom - Orange, FR
25019 818 1301 129 SAUDINETSTC-AS, SA
8452 793 1841 16 TE-AS TE-AS, EG
212238 699 51 617 CDNEXT, GB
34984 679 74 412 TELLCOM-AS, TR
8376 576 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 6806 1865 943 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 1201 371 22 Telefonica del Peru S.A.A., PE
26615 1047 2503 52 TIM SA, BR
18881 884 1127 31 TELEFONICA BRASIL S.A, BR
22884 656 42 414 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
28006 648 77 298 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 627 90 33 ENTEL CHILE S.A., CL
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 1452 389 16 LINKdotNET-AS, EG
29571 1147 101 74 ORANGE-COTE-IVOIRE, CI
24835 1062 476 108 RAYA-AS, EG
36992 604 1228 124 ETISALAT-MISR, EG
36935 587 123 164 Vodafone-, EG
20011 568 154 212 INTERNET-SOLUTIONS, ZA
36914 562 82 3 KENET-AS, KE
36903 456 204 330 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 13657 40933 5225 AMAZON-02, US
9808 11037 8759 104 CHINAMOBILE-CN China Mobile Communication
8151 6806 1865 943 UNINET, MX
39891 3591 219 64 ALJAWWALSTC-AS, SA
22773 3345 3016 165 ASN-CXA-ALL-CCI-22773-RDC, US
749 3227 54767 2478 DNIC-AS-00749, US
4155 2780 211 1700 USDA-1, US
36352 2551 209 1125 AS-COLOCROSSING, US
367 2426 3163 1161 DNIC-ASBLK-00306-00371, US
56046 2130 811 188 CMNET-JIANGSU-AP China Mobile communicati
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 11037 10933 CHINAMOBILE-CN China Mobile Communications Grou
8151 6806 5863 UNINET, MX
39891 3591 3527 ALJAWWALSTC-AS, SA
22773 3345 3180 ASN-CXA-ALL-CCI-22773-RDC, US
56046 2130 1942 CMNET-JIANGSU-AP China Mobile communications co
11830 1990 1926 Instituto Costarricense de Electricidad y Telec
11776 1901 1687 ATLANTICBB-JOHNSTOWN, US
56041 1634 1544 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1452 1436 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
23.140.216.0/24 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
/13:209 /14:574 /15:1091 /16:7637 /17:3427 /18:4193
/19:7516 /20:13065 /21:15127 /22:27232 /23:27852 /24:155122
/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 3590 6806 UNINET, MX
22773 2499 3345 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2452 3591 ALJAWWALSTC-AS, SA
16509 2366 13657 AMAZON-02, US
11830 1693 1990 Instituto Costarricense de Electricidad y Telecom., CR
36352 1028 2551 AS-COLOCROSSING, US
19901 1002 1304 BRSPD-PUBLIC, US
10620 964 1669 Telmex Colombia S.A., CO
209 963 1658 CENTURYLINK-US-LEGACY-QWEST, US
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 2:470 3:822 4:5 5:1065 6:149
7:5 8:664 11:171 12:974 13:400 14:114
15:305 16:247 17:4 18:889 20:187 21:4
22:188 23:2614 24:703 27:23 29:19 31:525
32:9 33:1 34:10 35:179 36:1914 37:920
38:1976 39:550 40:63 41:972 42:21 43:218
44:36 45:3538 46:958 47:94 49:20 50:357
51:515 52:1394 54:317 55:1076 56:11 57:22
58:16 59:35 60:16 61:82 62:534 63:745
64:1975 65:1091 66:1530 67:1000 68:400 69:1160
70:469 71:193 72:645 74:932 75:318 76:255
77:548 78:600 79:247 80:272 81:369 82:719
83:208 84:341 85:432 86:235 87:201 88:301
89:712 90:104 91:937 92:647 93:856 94:923
95:795 96:293 97:53 98:458 99:184 100:36
101:21 102:342 103:1192 104:1755 105:207 107:1563
108:550 109:408 110:35 111:1922 112:525 113:35
114:41 115:23 116:57 117:1043 118:67 119:82
120:1352 121:43 122:66 123:106 124:61 125:25
128:485 129:393 130:674 131:965 132:556 133:212
134:455 135:112 136:607 137:501 138:827 139:426
140:709 141:360 142:1030 143:705 144:428 145:119
146:687 147:511 148:909 149:774 150:203 151:638
152:488 153:141 154:945 155:935 156:880 157:376
158:565 159:741 160:887 161:642 162:1033 163:425
164:713 165:533 166:796 167:665 168:1127 169:161
170:1543 171:109 172:1355 173:805 174:294 175:68
176:772 177:811 178:501 179:714 180:40 181:1790
182:25 183:996 184:455 185:3534 186:2075 187:1581
188:843 189:1734 190:4112 191:452 192:5170 193:1895
194:1239 195:938 196:686 197:1183 198:2738 199:4928
200:3656 201:3227 202:943 203:726 204:2153 205:1726
206:1524 207:1545 208:1473 209:1949 210:296 211:428
212:1025 213:771 214:939 215:37 216:2547 217:418
218:527 219:18 220:28 221:394 222:24 223:898
End of report
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