[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 8 20:16:24 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sun 08 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: 264397
Prefixes after maximum aggregation (per Origin AS): 116034
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 135677
Number of IPv4 prefixes with a valid ROA: 118869
Number of IPv4 prefixes with an invalid ROA: 41
Number of IPv4 prefixes with no ROA: 145487
Total ASes present in the Internet Routing Table: 19886
Prefixes per ASN: 13.30
Origin-only ASes present in the Internet Routing Table: 17174
Origin ASes announcing only one prefix: 7765
Transit ASes present in the Internet Routing Table: 2712
Transit-only ASes present in the Internet Routing Table: 709
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: 310
Number of instances of unregistered ASNs: 342
Number of 32-bit ASNs allocated by the RIRs: 46629
Number of 32-bit ASNs visible in the Routing Table: 7605
Prefixes from 32-bit ASNs in the Routing Table: 28689
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: 106
Number of addresses announced to Internet: 1557969117
Equivalent to 92 /8s, 220 /16s and 184 /24s
Percentage of available address space announced: 42.1
Percentage of allocated address space announced: 42.1
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: 83715
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31968
Total APNIC prefixes after maximum aggregation: 7157
APNIC Deaggregation factor: 4.47
Prefixes being announced from the APNIC address blocks: 31010
Unique aggregates announced from the APNIC address blocks: 7411
APNIC Region origin ASes present in the Internet Routing Table: 1186
APNIC Prefixes per ASN: 26.15
APNIC Region origin ASes announcing only one prefix: 461
APNIC Region transit ASes present in the Internet Routing Table: 191
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: 553
Number of APNIC addresses announced to Internet: 166298476
Equivalent to 9 /8s, 233 /16s and 131 /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: 126208
Total ARIN prefixes after maximum aggregation: 66091
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 123547
Unique aggregates announced from the ARIN address blocks: 66659
ARIN Region origin ASes present in the Internet Routing Table: 9355
ARIN Prefixes per ASN: 13.21
ARIN Region origin ASes announcing only one prefix: 3903
ARIN Region transit ASes present in the Internet Routing Table: 871
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: 2196
Number of ARIN addresses announced to Internet: 961341665
Equivalent to 57 /8s, 76 /16s and 232 /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: 49805
Total RIPE prefixes after maximum aggregation: 26683
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 51713
Unique aggregates announced from the RIPE address blocks: 37458
RIPE Region origin ASes present in the Internet Routing Table: 4634
RIPE Prefixes per ASN: 11.16
RIPE Region origin ASes announcing only one prefix: 1942
RIPE Region transit ASes present in the Internet Routing Table: 696
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: 1919
Number of RIPE addresses announced to Internet: 286342224
Equivalent to 17 /8s, 17 /16s and 60 /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: 44934
Total LACNIC prefixes after maximum aggregation: 13501
LACNIC Deaggregation factor: 3.33
Prefixes being announced from the LACNIC address blocks: 44054
Unique aggregates announced from the LACNIC address blocks: 20155
LACNIC Region origin ASes present in the Internet Routing Table: 3592
LACNIC Prefixes per ASN: 12.26
LACNIC Region origin ASes announcing only one prefix: 1350
LACNIC Region transit ASes present in the Internet Routing Table: 749
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: 2782
Number of LACNIC addresses announced to Internet: 97116480
Equivalent to 5 /8s, 201 /16s and 225 /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: 11172
Total AfriNIC prefixes after maximum aggregation: 2396
AfriNIC Deaggregation factor: 4.66
Prefixes being announced from the AfriNIC address blocks: 13967
Unique aggregates announced from the AfriNIC address blocks: 3889
AfriNIC Region origin ASes present in the Internet Routing Table: 287
AfriNIC Prefixes per ASN: 48.67
AfriNIC Region origin ASes announcing only one prefix: 109
AfriNIC Region transit ASes present in the Internet Routing Table: 74
Average AfriNIC Region AS path length visible: 6.6
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 155
Number of AfriNIC addresses announced to Internet: 46826752
Equivalent to 2 /8s, 202 /16s and 133 /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 10879 8756 96 CHINAMOBILE-CN China Mobile Communication
56046 2050 811 188 CMNET-JIANGSU-AP China Mobile communicati
56041 1632 718 90 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1484 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 480 804 160 ALIBABA-CN-NET Alibaba US Technology Co.,
17676 464 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 13652 40955 5224 AMAZON-02, US
22773 3346 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3229 54783 2480 DNIC-AS-00749, US
4155 2787 212 1707 USDA-1, US
36352 2557 210 1125 AS-COLOCROSSING, US
367 2440 2909 1172 DNIC-ASBLK-00306-00371, US
7018 2060 22881 1514 ATT-INTERNET4, US
11776 1900 259 214 ATLANTICBB-JOHNSTOWN, US
6167 1896 3905 505 CELLCO-PART, US
209 1660 4889 271 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 1153 90 941 AKAMAI-ASN1, NL
3257 1000 2081 782 GTT-BACKBONE GTT, US
3215 894 4818 289 France Telecom - Orange, FR
25019 816 1301 129 SAUDINETSTC-AS, SA
8452 791 1841 16 TE-AS TE-AS, EG
34984 671 73 406 TELLCOM-AS, TR
212238 627 45 553 CDNEXT, GB
203214 613 45 398 HULUMTELE, IQ
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 7405 2004 953 UNINET, MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
10620 1676 243 1214 Telmex Colombia S.A., CO
3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1199 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 647 77 297 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 627 90 33 ENTEL CHILE S.A., CL
26599 557 2884 69 TELEFONICA BRASIL S.A, BR
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 1453 389 16 LINKdotNET-AS, EG
29571 1153 100 74 ORANGE-COTE-IVOIRE, CI
24835 1053 535 35 RAYA-AS, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36992 604 1228 124 ETISALAT-MISR, EG
36935 596 127 172 Vodafone-, EG
36914 553 82 3 KENET-AS, KE
36903 480 223 338 MT-MPLS, MA
37069 469 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 13652 40955 5224 AMAZON-02, US
9808 10879 8756 96 CHINAMOBILE-CN China Mobile Communication
8151 7405 2004 953 UNINET, MX
22773 3346 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3229 54783 2480 DNIC-AS-00749, US
4155 2787 212 1707 USDA-1, US
36352 2557 210 1125 AS-COLOCROSSING, US
367 2440 2909 1172 DNIC-ASBLK-00306-00371, US
7018 2060 22881 1514 ATT-INTERNET4, US
56046 2050 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 10879 10783 CHINAMOBILE-CN China Mobile Communications Grou
8151 7405 6452 UNINET, MX
22773 3346 3180 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1991 1927 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
56046 2050 1862 CMNET-JIANGSU-AP China Mobile communications co
11776 1900 1686 ATLANTICBB-JOHNSTOWN, US
56041 1632 1542 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1453 1437 LINKdotNET-AS, EG
56047 1484 1434 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
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
41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22 Transit: 2914 NTT-DATA-2914, 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 /12:150
/13:210 /14:573 /15:1102 /16:7635 /17:3435 /18:4220
/19:7619 /20:12485 /21:15252 /22:27472 /23:28003 /24:155925
/25:62 /26:81 /27:34 /28:13 /29:16 /30:10
/31:1 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3988 7405 UNINET, MX
22773 2498 3346 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2383 13652 AMAZON-02, US
11830 1694 1991 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 1035 2557 AS-COLOCROSSING, US
19901 987 1281 BRSPD-PUBLIC, US
10620 971 1676 Telmex Colombia S.A., CO
209 964 1660 CENTURYLINK-US-LEGACY-QWEST, US
11776 883 1900 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 2:459 3:809 4:5 5:795 6:155
7:5 8:670 11:171 12:990 13:382 14:115
15:307 16:247 17:6 18:890 20:187 21:4
22:188 23:2601 24:642 27:22 29:19 31:537
32:9 33:1 34:10 35:181 36:1864 37:1028
38:1964 39:552 40:63 41:989 42:21 43:213
44:34 45:3582 46:986 47:81 49:19 50:348
51:387 52:1399 54:320 55:1092 56:11 57:19
58:16 59:29 60:16 61:75 62:543 63:749
64:1980 65:1090 66:1534 67:995 68:402 69:1130
70:476 71:198 72:720 74:942 75:320 76:248
77:490 78:358 79:288 80:299 81:374 82:737
83:233 84:339 85:432 86:241 87:209 88:297
89:840 90:104 91:943 92:635 93:494 94:918
95:661 96:289 97:53 98:460 99:190 100:36
101:21 102:337 103:1215 104:1668 105:214 106:3
107:1555 108:555 109:396 110:35 111:1922 112:521
113:39 114:40 115:24 116:57 117:1041 118:67
119:85 120:1272 121:43 122:68 123:78 124:61
125:25 128:499 129:398 130:681 131:936 132:555
133:211 134:494 135:112 136:598 137:503 138:848
139:438 140:702 141:472 142:1032 143:693 144:427
145:147 146:685 147:517 148:898 149:793 150:355
151:638 152:496 153:130 154:1185 155:865 156:1087
157:372 158:556 159:725 160:872 161:644 162:988
163:482 164:718 165:785 166:792 167:654 168:1145
169:160 170:1584 171:128 172:1396 173:808 174:284
175:62 176:785 177:875 178:517 179:693 180:41
181:1777 182:27 183:967 184:452 185:3540 186:2070
187:1518 188:842 189:1819 190:4125 191:463 192:5197
193:1895 194:1246 195:934 196:684 197:1593 198:2749
199:4948 200:3617 201:3326 202:955 203:711 204:2164
205:1970 206:1531 207:1527 208:1449 209:1891 210:294
211:424 212:1030 213:771 214:979 215:42 216:2551
217:423 218:527 219:18 220:28 221:378 222:24
223:865
End of report
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