[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu May 8 20:17:03 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Thu 08 May, 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: 262496
Prefixes after maximum aggregation (per Origin AS): 115294
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 135577
Number of IPv4 prefixes with a valid ROA: 118014
Number of IPv4 prefixes with an invalid ROA: 45
Number of IPv4 prefixes with no ROA: 144437
Total ASes present in the Internet Routing Table: 19662
Prefixes per ASN: 13.35
Origin-only ASes present in the Internet Routing Table: 17004
Origin ASes announcing only one prefix: 7726
Transit ASes present in the Internet Routing Table: 2658
Transit-only ASes present in the Internet Routing Table: 710
Paths with bogon ASNs present in the IPv4 Routing Table: 6
Average AS path length visible in the Internet Routing Table: 5.8
Max AS path length visible: 38
Max AS path prepend of ASN ( 37447) 34
Prefixes from unregistered ASNs in the Routing Table: 310
Number of instances of unregistered ASNs: 311
Number of 32-bit ASNs allocated by the RIRs: 46364
Number of 32-bit ASNs visible in the Routing Table: 7363
Prefixes from 32-bit ASNs in the Routing Table: 27673
Number of bogon 32-bit ASNs visible in the Routing Table: 4
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 136
Number of addresses announced to Internet: 1548605405
Equivalent to 92 /8s, 77 /16s and 215 /24s
Percentage of available address space announced: 41.8
Percentage of allocated address space announced: 41.8
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: 82777
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32579
Total APNIC prefixes after maximum aggregation: 7586
APNIC Deaggregation factor: 4.29
Prefixes being announced from the APNIC address blocks: 31061
Unique aggregates announced from the APNIC address blocks: 7980
APNIC Region origin ASes present in the Internet Routing Table: 1225
APNIC Prefixes per ASN: 25.36
APNIC Region origin ASes announcing only one prefix: 484
APNIC Region transit ASes present in the Internet Routing Table: 202
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: 557
Number of APNIC addresses announced to Internet: 167665260
Equivalent to 9 /8s, 254 /16s and 94 /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: 125912
Total ARIN prefixes after maximum aggregation: 65312
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 122796
Unique aggregates announced from the ARIN address blocks: 65973
ARIN Region origin ASes present in the Internet Routing Table: 9345
ARIN Prefixes per ASN: 13.14
ARIN Region origin ASes announcing only one prefix: 3891
ARIN Region transit ASes present in the Internet Routing Table: 865
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: 2180
Number of ARIN addresses announced to Internet: 961106401
Equivalent to 57 /8s, 73 /16s and 81 /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: 48537
Total RIPE prefixes after maximum aggregation: 26270
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 50298
Unique aggregates announced from the RIPE address blocks: 36666
RIPE Region origin ASes present in the Internet Routing Table: 4573
RIPE Prefixes per ASN: 11.00
RIPE Region origin ASes announcing only one prefix: 1935
RIPE Region transit ASes present in the Internet Routing Table: 693
Average RIPE Region AS path length visible: 5.6
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1872
Number of RIPE addresses announced to Internet: 281494864
Equivalent to 16 /8s, 199 /16s and 69 /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: 44542
Total LACNIC prefixes after maximum aggregation: 13568
LACNIC Deaggregation factor: 3.28
Prefixes being announced from the LACNIC address blocks: 43685
Unique aggregates announced from the LACNIC address blocks: 20236
LACNIC Region origin ASes present in the Internet Routing Table: 3418
LACNIC Prefixes per ASN: 12.78
LACNIC Region origin ASes announcing only one prefix: 1309
LACNIC Region transit ASes present in the Internet Routing Table: 691
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: 2608
Number of LACNIC addresses announced to Internet: 96882240
Equivalent to 5 /8s, 198 /16s and 78 /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: 10616
Total AfriNIC prefixes after maximum aggregation: 2350
AfriNIC Deaggregation factor: 4.52
Prefixes being announced from the AfriNIC address blocks: 14520
Unique aggregates announced from the AfriNIC address blocks: 4603
AfriNIC Region origin ASes present in the Internet Routing Table: 268
AfriNIC Prefixes per ASN: 54.18
AfriNIC Region origin ASes announcing only one prefix: 107
AfriNIC Region transit ASes present in the Internet Routing Table: 79
Average AfriNIC Region AS path length visible: 6.5
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 146
Number of AfriNIC addresses announced to Internet: 41403904
Equivalent to 2 /8s, 119 /16s and 198 /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 10608 8756 95 CHINAMOBILE-CN China Mobile Communication
56046 1701 811 186 CMNET-JIANGSU-AP China Mobile communicati
56041 1570 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1486 192 53 CMNET-HUNAN-AP China Mobile communication
17561 876 56 418 LCS-AS-AP LARUS Limited, HK
24547 852 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 775 500 75 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 639 2170 465 SINET-AS Research Organization of Informa
24445 522 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 505 800 138 ALIBABA-CN-NET Alibaba US Technology Co.,
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 13316 40824 4634 AMAZON-02, US
22773 3343 3015 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3253 54861 2504 DNIC-AS-00749, US
4155 2695 205 1645 USDA-1, US
36352 2518 207 1118 AS-COLOCROSSING, US
367 2427 2904 1177 DNIC-ASBLK-00306-00371, US
7018 2100 22891 1549 ATT-INTERNET4, US
11776 1895 258 216 ATLANTICBB-JOHNSTOWN, US
6167 1849 3728 488 CELLCO-PART, US
209 1664 4890 274 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 1206 94 985 AKAMAI-ASN1, NL
3257 995 2077 747 GTT-BACKBONE GTT, US
3215 894 4818 288 France Telecom - Orange, FR
25019 814 1301 130 SAUDINETSTC-AS, SA
34984 686 76 409 TELLCOM-AS, TR
8452 661 1842 17 TE-AS TE-AS, EG
8376 574 53 22 Jordan Data Communications, JO
51167 568 113 251 CONTABO, DE
212238 568 41 500 CDNEXT, GB
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 7460 2024 1008 UNINET, MX
11830 1995 369 64 Instituto Costarricense de Electricidad y
10620 1930 286 1301 Telmex Colombia S.A., CO
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1189 371 22 Telefonica del Peru S.A.A., PE
26615 1003 2503 52 TIM SA, BR
18881 883 1127 31 TELEFONICA BRASIL S.A, BR
27651 648 94 35 ENTEL CHILE S.A., CL
28006 644 77 297 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 552 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 1491 389 16 LINKdotNET-AS, EG
24835 1061 553 39 RAYA-AS, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
29571 975 100 76 ORANGE-COTE-IVOIRE, CI
36935 720 142 185 Vodafone-, EG
36992 603 1228 124 ETISALAT-MISR, EG
36914 553 82 3 KENET-AS, KE
37069 469 1046 15 MOBINIL, EG
36903 410 192 301 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 13316 40824 4634 AMAZON-02, US
9808 10608 8756 95 CHINAMOBILE-CN China Mobile Communication
8151 7460 2024 1008 UNINET, MX
22773 3343 3015 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3253 54861 2504 DNIC-AS-00749, US
4155 2695 205 1645 USDA-1, US
36352 2518 207 1118 AS-COLOCROSSING, US
367 2427 2904 1177 DNIC-ASBLK-00306-00371, US
7018 2100 22891 1549 ATT-INTERNET4, US
11830 1995 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 10608 10513 CHINAMOBILE-CN China Mobile Communications Grou
8151 7460 6452 UNINET, MX
22773 3343 3179 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1995 1931 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1895 1679 ATLANTICBB-JOHNSTOWN, US
56046 1701 1515 CMNET-JIANGSU-AP China Mobile communications co
56041 1570 1492 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1491 1475 LINKdotNET-AS, EG
56047 1486 1433 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
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, 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
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 /10:29 /11:41 /12:151
/13:206 /14:569 /15:1096 /16:7563 /17:3432 /18:4205
/19:7615 /20:12400 /21:15244 /22:27700 /23:27541 /24:154453
/25:63 /26:85 /27:36 /28:13 /29:16 /30:10
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3961 7460 UNINET, MX
22773 2496 3343 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2317 13316 AMAZON-02, US
11830 1696 1995 Instituto Costarricense de Electricidad y Telecom., CR
10620 1089 1930 Telmex Colombia S.A., CO
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 994 2518 AS-COLOCROSSING, US
19901 974 1252 BRSPD-PUBLIC, US
209 964 1664 CENTURYLINK-US-LEGACY-QWEST, US
11776 883 1895 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:66 2:495 3:701 4:5 5:794 6:155
7:5 8:681 11:171 12:999 13:310 14:113
15:301 16:245 17:6 18:889 20:177 21:4
22:188 23:2582 24:650 27:21 29:19 31:478
32:9 33:1 34:10 35:133 36:1578 37:904
38:1923 39:553 40:62 41:950 42:213 43:194
44:34 45:3633 46:958 47:85 49:20 50:360
51:385 52:1386 54:301 55:1095 56:11 57:16
58:18 59:31 60:16 61:73 62:544 63:762
64:1989 65:1073 66:1611 67:963 68:406 69:1151
70:442 71:202 72:787 74:962 75:426 76:249
77:470 78:340 79:280 80:295 81:352 82:684
83:248 84:342 85:448 86:235 87:239 88:277
89:864 90:103 91:935 92:597 93:466 94:911
95:625 96:288 97:66 98:455 99:166 100:36
101:19 102:415 103:1240 104:1462 105:140 106:16
107:1503 108:563 109:384 110:34 111:1950 112:456
113:39 114:42 115:16 116:62 117:1047 118:64
119:131 120:1186 121:46 122:70 123:76 124:56
125:25 128:466 129:307 130:682 131:893 132:568
133:212 134:509 135:113 136:574 137:498 138:877
139:446 140:709 141:457 142:1027 143:665 144:434
145:135 146:680 147:493 148:881 149:787 150:386
151:634 152:467 153:125 154:1770 155:839 156:1420
157:378 158:549 159:686 160:829 161:667 162:935
163:356 164:713 165:762 166:777 167:637 168:1104
169:144 170:1588 171:122 172:1371 173:834 174:250
175:56 176:664 177:795 178:490 179:666 180:49
181:1740 182:30 183:892 184:453 185:3474 186:2012
187:1482 188:772 189:1775 190:4212 191:427 192:5166
193:1831 194:1215 195:927 196:697 197:1656 198:2747
199:4887 200:3540 201:3229 202:1005 203:742 204:2152
205:1953 206:1560 207:1510 208:1428 209:1935 210:308
211:431 212:932 213:841 214:982 215:42 216:2537
217:416 218:520 219:19 220:26 221:334 222:32
223:770
End of report
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