[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Jun 14 20:16:31 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sat 14 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: 261832
Prefixes after maximum aggregation (per Origin AS): 115103
Deaggregation factor: 2.27
Unique aggregates announced (without unneeded subnets): 135762
Number of IPv4 prefixes with a valid ROA: 118208
Number of IPv4 prefixes with an invalid ROA: 41
Number of IPv4 prefixes with no ROA: 143583
Total ASes present in the Internet Routing Table: 19672
Prefixes per ASN: 13.31
Origin-only ASes present in the Internet Routing Table: 16987
Origin ASes announcing only one prefix: 7700
Transit ASes present in the Internet Routing Table: 2685
Transit-only ASes present in the Internet Routing Table: 717
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: 29
Max AS path prepend of ASN (214570) 20
Prefixes from unregistered ASNs in the Routing Table: 367
Number of instances of unregistered ASNs: 399
Number of 32-bit ASNs allocated by the RIRs: 46645
Number of 32-bit ASNs visible in the Routing Table: 7432
Prefixes from 32-bit ASNs in the Routing Table: 27965
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: 1556577757
Equivalent to 92 /8s, 199 /16s and 125 /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: 82982
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32037
Total APNIC prefixes after maximum aggregation: 7103
APNIC Deaggregation factor: 4.51
Prefixes being announced from the APNIC address blocks: 31060
Unique aggregates announced from the APNIC address blocks: 7357
APNIC Region origin ASes present in the Internet Routing Table: 1187
APNIC Prefixes per ASN: 26.17
APNIC Region origin ASes announcing only one prefix: 465
APNIC Region transit ASes present in the Internet Routing Table: 189
Average APNIC Region AS path length visible: 7.4
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 552
Number of APNIC addresses announced to Internet: 166452076
Equivalent to 9 /8s, 235 /16s and 219 /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: 124722
Total ARIN prefixes after maximum aggregation: 65593
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 122315
Unique aggregates announced from the ARIN address blocks: 66096
ARIN Region origin ASes present in the Internet Routing Table: 9302
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: 866
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: 961011425
Equivalent to 57 /8s, 71 /16s and 222 /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: 49327
Total RIPE prefixes after maximum aggregation: 26511
RIPE Deaggregation factor: 1.86
Prefixes being announced from the RIPE address blocks: 51165
Unique aggregates announced from the RIPE address blocks: 37221
RIPE Region origin ASes present in the Internet Routing Table: 4622
RIPE Prefixes per ASN: 11.07
RIPE Region origin ASes announcing only one prefix: 1932
RIPE Region transit ASes present in the Internet Routing Table: 694
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: 1900
Number of RIPE addresses announced to Internet: 286345040
Equivalent to 17 /8s, 17 /16s and 71 /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: 44246
Total LACNIC prefixes after maximum aggregation: 13172
LACNIC Deaggregation factor: 3.36
Prefixes being announced from the LACNIC address blocks: 43352
Unique aggregates announced from the LACNIC address blocks: 19630
LACNIC Region origin ASes present in the Internet Routing Table: 3427
LACNIC Prefixes per ASN: 12.65
LACNIC Region origin ASes announcing only one prefix: 1313
LACNIC Region transit ASes present in the Internet Routing Table: 714
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 23
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2639
Number of LACNIC addresses announced to Internet: 96972864
Equivalent to 5 /8s, 199 /16s and 176 /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: 11133
Total AfriNIC prefixes after maximum aggregation: 2464
AfriNIC Deaggregation factor: 4.52
Prefixes being announced from the AfriNIC address blocks: 13834
Unique aggregates announced from the AfriNIC address blocks: 5353
AfriNIC Region origin ASes present in the Internet Routing Table: 286
AfriNIC Prefixes per ASN: 48.37
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: 6.5
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 150
Number of AfriNIC addresses announced to Internet: 45750528
Equivalent to 2 /8s, 186 /16s and 25 /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 1481 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 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 5234 AMAZON-02, US
22773 3345 3016 167 ASN-CXA-ALL-CCI-22773-RDC, US
749 3230 54783 2481 DNIC-AS-00749, US
4155 2794 212 1711 USDA-1, US
36352 2556 210 1128 AS-COLOCROSSING, US
367 2429 3156 1161 DNIC-ASBLK-00306-00371, US
7018 1985 22873 1465 ATT-INTERNET4, US
6167 1903 3929 507 CELLCO-PART, US
11776 1900 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 1156 90 943 AKAMAI-ASN1, NL
3257 1001 2081 782 GTT-BACKBONE GTT, US
3215 887 4818 291 France Telecom - Orange, FR
25019 810 1301 129 SAUDINETSTC-AS, SA
8452 782 1841 16 TE-AS TE-AS, EG
34984 677 73 410 TELLCOM-AS, TR
212238 631 45 557 CDNEXT, GB
8376 573 53 22 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 7376 1993 940 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 1035 2503 52 TIM SA, BR
18881 884 1127 31 TELEFONICA BRASIL S.A, BR
28006 648 77 297 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 627 90 33 ENTEL CHILE S.A., CL
6503 526 346 130 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 595 127 172 Vodafone-, EG
36914 555 82 3 KENET-AS, KE
37069 469 1046 15 MOBINIL, EG
36903 465 209 333 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 13674 40938 5234 AMAZON-02, US
9808 10894 8758 99 CHINAMOBILE-CN China Mobile Communication
8151 7376 1993 940 UNINET, MX
22773 3345 3016 167 ASN-CXA-ALL-CCI-22773-RDC, US
749 3230 54783 2481 DNIC-AS-00749, US
4155 2794 212 1711 USDA-1, US
36352 2556 210 1128 AS-COLOCROSSING, US
367 2429 3156 1161 DNIC-ASBLK-00306-00371, US
56046 2102 811 188 CMNET-JIANGSU-AP China Mobile communicati
11830 1990 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 7376 6436 UNINET, MX
22773 3345 3178 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1990 1926 Instituto Costarricense de Electricidad y Telec
56046 2102 1914 CMNET-JIANGSU-AP China Mobile communications co
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1900 1686 ATLANTICBB-JOHNSTOWN, US
56041 1634 1544 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1463 1447 LINKdotNET-AS, EG
56047 1481 1431 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
41.77.208.0/22 Origin: 37475 RESERVED, ZZ
41.77.208.0/22 Transit: 15964 CAMNET-AS, CM
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 /15:1095 /16:7623 /17:3429 /18:4209
/19:7568 /20:12560 /21:15123 /22:27199 /23:27741 /24:154039
/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 3986 7376 UNINET, MX
22773 2497 3345 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2365 13674 AMAZON-02, US
11830 1693 1990 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 1030 2556 AS-COLOCROSSING, US
19901 988 1288 BRSPD-PUBLIC, US
209 964 1659 CENTURYLINK-US-LEGACY-QWEST, US
10620 964 1669 Telmex Colombia S.A., CO
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 2:452 3:817 4:5 5:805 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 23:2607 24:701 27:21 29:19 31:534
32:9 33:1 34:10 35:180 36:1905 37:867
38:1968 39:550 40:55 41:980 42:21 43:191
44:35 45:3508 46:970 47:92 49:19 50:359
51:387 52:1397 54:322 55:1090 56:11 57:22
58:16 59:30 60:16 61:75 62:536 63:746
64:1960 65:1081 66:1538 67:994 68:400 69:1144
70:472 71:193 72:645 74:931 75:319 76:248
77:479 78:356 79:292 80:303 81:372 82:730
83:207 84:339 85:421 86:243 87:204 88:301
89:709 90:104 91:935 92:636 93:492 94:903
95:671 96:289 97:53 98:459 99:189 100:36
101:21 102:334 103:1191 104:1658 105:214 106:3
107:1564 108:548 109:402 110:35 111:1921 112:521
113:35 114:41 115:24 116:56 117:1043 118:67
119:83 120:1297 121:44 122:67 123:78 124:61
125:25 128:487 129:395 130:672 131:943 132:559
133:211 134:450 135:124 136:603 137:504 138:830
139:424 140:709 141:364 142:1031 143:697 144:424
145:119 146:687 147:502 148:892 149:772 150:213
151:640 152:490 153:130 154:1086 155:865 156:1033
157:373 158:561 159:740 160:862 161:646 162:1029
163:418 164:713 165:532 166:795 167:647 168:1163
169:158 170:1520 171:125 172:1359 173:807 174:286
175:69 176:799 177:807 178:516 179:681 180:40
181:1760 182:25 183:972 184:453 185:3547 186:2055
187:1474 188:819 189:1804 190:4116 191:454 192:5179
193:1889 194:1228 195:926 196:673 197:1602 198:2749
199:4944 200:3610 201:3307 202:946 203:725 204:2155
205:1727 206:1528 207:1543 208:1464 209:1940 210:296
211:426 212:1021 213:748 214:937 215:37 216:2540
217:414 218:526 219:18 220:28 221:390 222:24
223:890
End of report
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