[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 9 20:16:26 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Mon 09 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: 263095
Prefixes after maximum aggregation (per Origin AS): 115446
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 135342
Number of IPv4 prefixes with a valid ROA: 119339
Number of IPv4 prefixes with an invalid ROA: 43
Number of IPv4 prefixes with no ROA: 143713
Total ASes present in the Internet Routing Table: 19864
Prefixes per ASN: 13.24
Origin-only ASes present in the Internet Routing Table: 17147
Origin ASes announcing only one prefix: 7747
Transit ASes present in the Internet Routing Table: 2717
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: 308
Number of instances of unregistered ASNs: 340
Number of 32-bit ASNs allocated by the RIRs: 46629
Number of 32-bit ASNs visible in the Routing Table: 7607
Prefixes from 32-bit ASNs in the Routing Table: 28528
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: 1558323677
Equivalent to 92 /8s, 226 /16s and 33 /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: 83067
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31919
Total APNIC prefixes after maximum aggregation: 7151
APNIC Deaggregation factor: 4.46
Prefixes being announced from the APNIC address blocks: 30988
Unique aggregates announced from the APNIC address blocks: 7405
APNIC Region origin ASes present in the Internet Routing Table: 1189
APNIC Prefixes per ASN: 26.06
APNIC Region origin ASes announcing only one prefix: 467
APNIC Region transit ASes present in the Internet Routing Table: 192
Average APNIC Region AS path length visible: 7.4
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 558
Number of APNIC addresses announced to Internet: 166401644
Equivalent to 9 /8s, 235 /16s and 22 /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: 125335
Total ARIN prefixes after maximum aggregation: 65653
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 122630
Unique aggregates announced from the ARIN address blocks: 66434
ARIN Region origin ASes present in the Internet Routing Table: 9322
ARIN Prefixes per ASN: 13.15
ARIN Region origin ASes announcing only one prefix: 3880
ARIN Region transit ASes present in the Internet Routing Table: 864
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: 961137633
Equivalent to 57 /8s, 73 /16s and 203 /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: 48580
Total RIPE prefixes after maximum aggregation: 26524
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 50510
Unique aggregates announced from the RIPE address blocks: 37317
RIPE Region origin ASes present in the Internet Routing Table: 4620
RIPE Prefixes per ASN: 10.93
RIPE Region origin ASes announcing only one prefix: 1939
RIPE Region transit ASes present in the Internet Routing Table: 698
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: 1914
Number of RIPE addresses announced to Internet: 285304144
Equivalent to 17 /8s, 1 /16s and 101 /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: 45532
Total LACNIC prefixes after maximum aggregation: 13629
LACNIC Deaggregation factor: 3.34
Prefixes being announced from the LACNIC address blocks: 44660
Unique aggregates announced from the LACNIC address blocks: 20329
LACNIC Region origin ASes present in the Internet Routing Table: 3605
LACNIC Prefixes per ASN: 12.39
LACNIC Region origin ASes announcing only one prefix: 1352
LACNIC Region transit ASes present in the Internet Routing Table: 755
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: 2789
Number of LACNIC addresses announced to Internet: 97593152
Equivalent to 5 /8s, 209 /16s and 39 /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: 11421
Total AfriNIC prefixes after maximum aggregation: 2285
AfriNIC Deaggregation factor: 5.00
Prefixes being announced from the AfriNIC address blocks: 14201
Unique aggregates announced from the AfriNIC address blocks: 3752
AfriNIC Region origin ASes present in the Internet Routing Table: 288
AfriNIC Prefixes per ASN: 49.31
AfriNIC Region origin ASes announcing only one prefix: 109
AfriNIC Region transit ASes present in the Internet Routing Table: 75
Average AfriNIC Region AS path length visible: 6.5
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 157
Number of AfriNIC addresses announced to Internet: 47843584
Equivalent to 2 /8s, 218 /16s and 9 /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 10874 8758 98 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 13640 40954 5220 AMAZON-02, US
22773 3346 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3229 54783 2480 DNIC-AS-00749, US
4155 2784 212 1700 USDA-1, US
36352 2557 210 1128 AS-COLOCROSSING, US
367 2440 2909 1171 DNIC-ASBLK-00306-00371, US
7018 2040 22876 1499 ATT-INTERNET4, US
6167 1901 3927 506 CELLCO-PART, US
11776 1900 259 214 ATLANTICBB-JOHNSTOWN, 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 1184 92 962 AKAMAI-ASN1, NL
3257 1001 2081 782 GTT-BACKBONE GTT, US
3215 894 4818 289 France Telecom - Orange, FR
25019 815 1301 129 SAUDINETSTC-AS, SA
8452 791 1841 16 TE-AS TE-AS, EG
34984 672 73 407 TELLCOM-AS, TR
212238 628 45 554 CDNEXT, GB
203214 613 45 398 HULUMTELE, IQ
8376 574 53 22 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 7401 2003 952 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 1198 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
22884 656 42 413 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
28006 647 77 297 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 1463 389 16 LINKdotNET-AS, EG
29571 1154 100 74 ORANGE-COTE-IVOIRE, CI
24835 1102 555 39 RAYA-AS, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36935 707 522 48 Vodafone-, EG
36992 579 1224 127 ETISALAT-MISR, EG
37069 559 1054 16 MOBINIL, EG
36914 556 82 3 KENET-AS, KE
36903 480 223 338 MT-MPLS, MA
2018 373 318 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 13640 40954 5220 AMAZON-02, US
9808 10874 8758 98 CHINAMOBILE-CN China Mobile Communication
8151 7401 2003 952 UNINET, MX
22773 3346 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3229 54783 2480 DNIC-AS-00749, US
4155 2784 212 1700 USDA-1, US
36352 2557 210 1128 AS-COLOCROSSING, US
367 2440 2909 1171 DNIC-ASBLK-00306-00371, US
56046 2050 811 188 CMNET-JIANGSU-AP China Mobile communicati
7018 2040 22876 1499 ATT-INTERNET4, US
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 10874 10776 CHINAMOBILE-CN China Mobile Communications Grou
8151 7401 6449 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 1463 1447 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 /11:42 /12:150
/13:210 /14:573 /15:1102 /16:7635 /17:3435 /18:4198
/19:7585 /20:12551 /21:15276 /22:27025 /23:28014 /24:155023
/25:62 /26:82 /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 3989 7401 UNINET, MX
22773 2498 3346 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2378 13640 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 989 1288 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 2:461 3:811 4:5 5:692 6:149
7:5 8:669 11:171 12:990 13:380 14:114
15:306 16:247 17:5 18:889 20:187 21:4
22:188 23:2603 24:637 27:22 29:19 31:543
32:9 33:1 34:10 35:181 36:1864 37:1029
38:1946 39:552 40:63 41:993 42:21 43:214
44:34 45:3588 46:973 47:80 49:19 50:350
51:387 52:1399 54:321 55:1086 56:11 57:19
58:16 59:30 60:16 61:75 62:546 63:748
64:1971 65:1090 66:1538 67:991 68:402 69:1123
70:475 71:197 72:647 74:942 75:320 76:248
77:469 78:360 79:293 80:276 81:354 82:736
83:234 84:338 85:429 86:246 87:220 88:299
89:687 90:104 91:932 92:617 93:497 94:912
95:658 96:293 97:53 98:459 99:190 100:36
101:17 102:342 103:1209 104:1666 105:216 106:3
107:1555 108:546 109:386 110:35 111:1922 112:521
113:38 114:40 115:24 116:57 117:1037 118:58
119:85 120:1272 121:43 122:68 123:76 124:61
125:25 128:484 129:399 130:679 131:923 132:559
133:211 134:453 135:112 136:598 137:507 138:841
139:422 140:701 141:363 142:1032 143:695 144:429
145:147 146:685 147:511 148:995 149:794 150:213
151:639 152:482 153:130 154:1185 155:867 156:1072
157:372 158:556 159:721 160:866 161:643 162:1005
163:481 164:715 165:779 166:785 167:670 168:1141
169:159 170:1584 171:126 172:1379 173:809 174:284
175:62 176:780 177:881 178:385 179:690 180:42
181:1771 182:27 183:968 184:457 185:3539 186:2102
187:1648 188:824 189:1899 190:4052 191:462 192:5192
193:1899 194:1244 195:931 196:692 197:1599 198:2735
199:4933 200:3639 201:3491 202:950 203:707 204:2160
205:1723 206:1530 207:1531 208:1454 209:1890 210:295
211:424 212:1034 213:757 214:938 215:37 216:2549
217:422 218:527 219:18 220:28 221:378 222:24
223:865
End of report
More information about the ren-bgp-stats-all
mailing list