[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 29 20:16:37 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sun 29 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: 273364
Prefixes after maximum aggregation (per Origin AS): 119326
Deaggregation factor: 2.29
Unique aggregates announced (without unneeded subnets): 141451
Number of IPv4 prefixes with a valid ROA: 125748
Number of IPv4 prefixes with an invalid ROA: 46
Number of IPv4 prefixes with no ROA: 147570
Total ASes present in the Internet Routing Table: 20671
Prefixes per ASN: 13.22
Origin-only ASes present in the Internet Routing Table: 17826
Origin ASes announcing only one prefix: 7993
Transit ASes present in the Internet Routing Table: 2845
Transit-only ASes present in the Internet Routing Table: 718
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: 376
Number of instances of unregistered ASNs: 408
Number of 32-bit ASNs allocated by the RIRs: 46719
Number of 32-bit ASNs visible in the Routing Table: 8221
Prefixes from 32-bit ASNs in the Routing Table: 32589
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: 1566264325
Equivalent to 93 /8s, 91 /16s and 76 /24s
Percentage of available address space announced: 42.3
Percentage of allocated address space announced: 42.3
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: 87039
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 33492
Total APNIC prefixes after maximum aggregation: 7453
APNIC Deaggregation factor: 4.49
Prefixes being announced from the APNIC address blocks: 31935
Unique aggregates announced from the APNIC address blocks: 7621
APNIC Region origin ASes present in the Internet Routing Table: 1201
APNIC Prefixes per ASN: 26.59
APNIC Region origin ASes announcing only one prefix: 471
APNIC Region transit ASes present in the Internet Routing Table: 189
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 571
Number of APNIC addresses announced to Internet: 165138540
Equivalent to 9 /8s, 215 /16s and 208 /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: 125532
Total ARIN prefixes after maximum aggregation: 66266
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 123629
Unique aggregates announced from the ARIN address blocks: 67228
ARIN Region origin ASes present in the Internet Routing Table: 9311
ARIN Prefixes per ASN: 13.28
ARIN Region origin ASes announcing only one prefix: 3869
ARIN Region transit ASes present in the Internet Routing Table: 881
Average ARIN Region AS path length visible: 5.4
Max ARIN Region AS path length visible: 26
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2197
Number of ARIN addresses announced to Internet: 961735945
Equivalent to 57 /8s, 82 /16s and 237 /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: 50132
Total RIPE prefixes after maximum aggregation: 27109
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 51918
Unique aggregates announced from the RIPE address blocks: 37982
RIPE Region origin ASes present in the Internet Routing Table: 4665
RIPE Prefixes per ASN: 11.13
RIPE Region origin ASes announcing only one prefix: 1959
RIPE Region transit ASes present in the Internet Routing Table: 697
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: 1925
Number of RIPE addresses announced to Internet: 286711632
Equivalent to 17 /8s, 22 /16s and 223 /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: 53258
Total LACNIC prefixes after maximum aggregation: 15982
LACNIC Deaggregation factor: 3.33
Prefixes being announced from the LACNIC address blocks: 51696
Unique aggregates announced from the LACNIC address blocks: 23554
LACNIC Region origin ASes present in the Internet Routing Table: 4354
LACNIC Prefixes per ASN: 11.87
LACNIC Region origin ASes announcing only one prefix: 1584
LACNIC Region transit ASes present in the Internet Routing Table: 861
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: 3372
Number of LACNIC addresses announced to Internet: 106319936
Equivalent to 6 /8s, 86 /16s and 80 /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: 10574
Total AfriNIC prefixes after maximum aggregation: 2252
AfriNIC Deaggregation factor: 4.70
Prefixes being announced from the AfriNIC address blocks: 14078
Unique aggregates announced from the AfriNIC address blocks: 4959
AfriNIC Region origin ASes present in the Internet Routing Table: 291
AfriNIC Prefixes per ASN: 48.38
AfriNIC Region origin ASes announcing only one prefix: 110
AfriNIC Region transit ASes present in the Internet Routing Table: 75
Average AfriNIC Region AS path length visible: 6.4
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 156
Number of AfriNIC addresses announced to Internet: 46247424
Equivalent to 2 /8s, 193 /16s and 174 /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 11227 8759 113 CHINAMOBILE-CN China Mobile Communication
56046 2227 811 188 CMNET-JIANGSU-AP China Mobile communicati
56041 1669 718 90 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1483 192 50 CMNET-HUNAN-AP China Mobile communication
24547 871 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 776 500 75 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
17561 631 40 215 LCS-AS-AP LARUS Limited, HK
2907 611 2169 463 SINET-AS Research Organization of Informa
45102 532 883 137 ALIBABA-CN-NET Alibaba US Technology Co.,
24445 524 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
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 13585 40949 5207 AMAZON-02, US
22773 3348 3016 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3227 54767 2478 DNIC-AS-00749, US
4155 2830 215 1721 USDA-1, US
36352 2569 210 1136 AS-COLOCROSSING, US
367 2417 3161 1149 DNIC-ASBLK-00306-00371, US
6167 1914 3955 513 CELLCO-PART, US
11776 1901 259 214 ATLANTICBB-JOHNSTOWN, US
7018 1860 22863 1393 ATT-INTERNET4, 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 1936 130 50 ALJAWWALSTC-AS, SA
20940 1192 92 969 AKAMAI-ASN1, NL
3257 1042 2082 805 GTT-BACKBONE GTT, US
3215 887 4818 291 France Telecom - Orange, FR
25019 813 1301 129 SAUDINETSTC-AS, SA
8452 788 1841 16 TE-AS TE-AS, EG
34984 678 74 414 TELLCOM-AS, TR
212238 658 47 582 CDNEXT, GB
8376 572 52 23 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 7143 1924 909 UNINET, MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
10620 1710 248 1230 Telmex Colombia S.A., CO
3816 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1197 371 22 Telefonica del Peru S.A.A., PE
26615 1053 2487 55 TIM SA, BR
18881 879 1127 31 TELEFONICA BRASIL S.A, BR
11172 722 124 70 Alestra, S. de R.L. de C.V., MX
28006 648 77 298 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 647 91 44 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 1451 389 16 LINKdotNET-AS, EG
29571 1064 100 72 ORANGE-COTE-IVOIRE, CI
24835 1060 491 109 RAYA-AS, EG
36935 618 520 50 Vodafone-, EG
36914 569 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
36992 553 1192 126 ETISALAT-MISR, EG
36903 456 204 330 MT-MPLS, MA
37069 451 1046 15 MOBINIL, EG
2018 375 318 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 13585 40949 5207 AMAZON-02, US
9808 11227 8759 113 CHINAMOBILE-CN China Mobile Communication
8151 7143 1924 909 UNINET, MX
22773 3348 3016 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3227 54767 2478 DNIC-AS-00749, US
4155 2830 215 1721 USDA-1, US
36352 2569 210 1136 AS-COLOCROSSING, US
367 2417 3161 1149 DNIC-ASBLK-00306-00371, US
56046 2227 811 188 CMNET-JIANGSU-AP China Mobile communicati
11830 1987 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 11227 11114 CHINAMOBILE-CN China Mobile Communications Grou
8151 7143 6234 UNINET, MX
22773 3348 3184 ASN-CXA-ALL-CCI-22773-RDC, US
56046 2227 2039 CMNET-JIANGSU-AP China Mobile communications co
11830 1987 1923 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1901 1687 ATLANTICBB-JOHNSTOWN, US
56041 1669 1579 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1451 1435 LINKdotNET-AS, EG
36352 2569 1433 AS-COLOCROSSING, US
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
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
396831 UNALLOCATED 12.23.198.0/24 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
23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA
23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, 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 /11:42 /12:150
/13:210 /14:576 /15:1100 /16:7602 /17:3467 /18:4255
/19:7673 /20:12704 /21:15622 /22:28365 /23:28921 /24:162399
/25:64 /26:81 /27:34 /28:13 /29:17 /30:10
/31:1 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3873 7143 UNINET, MX
22773 2502 3348 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2345 13585 AMAZON-02, US
11830 1691 1987 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 1031 2569 AS-COLOCROSSING, US
19901 1012 1316 BRSPD-PUBLIC, US
10620 992 1710 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)
----------------------------------------------
1:18 2:453 3:813 4:5 5:794 6:148
7:5 8:655 11:171 12:965 13:389 14:116
15:308 16:247 17:4 18:889 20:188 21:4
22:188 23:2635 24:570 27:23 29:19 31:533
32:18 33:1 34:10 35:180 36:1979 37:798
38:2454 39:550 40:68 41:973 42:17 43:229
44:28 45:4219 46:988 47:96 49:21 50:361
51:387 52:1385 54:318 55:1096 56:11 57:22
58:16 59:38 60:32 61:84 62:542 63:749
64:1927 65:1097 66:1587 67:1074 68:375 69:1187
70:447 71:194 72:657 74:940 75:319 76:239
77:514 78:374 79:248 80:290 81:370 82:716
83:210 84:341 85:495 86:245 87:211 88:299
89:774 90:105 91:936 92:650 93:489 94:984
95:669 96:288 97:59 98:503 99:181 100:42
101:20 102:376 103:1274 104:1688 105:213 106:41
107:1558 108:551 109:436 110:40 111:1927 112:540
113:36 114:58 115:28 116:52 117:1051 118:66
119:84 120:1384 121:50 122:77 123:130 124:61
125:22 128:516 129:398 130:672 131:1035 132:568
133:213 134:457 135:127 136:605 137:510 138:974
139:427 140:710 141:362 142:1029 143:771 144:430
145:127 146:690 147:511 148:995 149:784 150:204
151:770 152:620 153:141 154:1448 155:861 156:1209
157:399 158:549 159:744 160:830 161:646 162:1056
163:430 164:723 165:568 166:806 167:686 168:1504
169:163 170:1676 171:113 172:1350 173:809 174:363
175:78 176:778 177:1138 178:604 179:828 180:41
181:2105 182:27 183:1027 184:460 185:3576 186:2511
187:1622 188:856 189:1954 190:5317 191:484 192:5227
193:1906 194:1242 195:926 196:707 197:1153 198:2739
199:4974 200:4449 201:3694 202:944 203:707 204:2196
205:1795 206:1585 207:1604 208:1500 209:1983 210:329
211:443 212:1017 213:761 214:918 215:35 216:2574
217:444 218:525 219:19 220:34 221:406 222:24
223:945
End of report
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