[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue May 6 20:17:07 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Tue 06 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: 262398
Prefixes after maximum aggregation (per Origin AS): 114869
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 135189
Number of IPv4 prefixes with a valid ROA: 118580
Number of IPv4 prefixes with an invalid ROA: 49
Number of IPv4 prefixes with no ROA: 143769
Total ASes present in the Internet Routing Table: 19687
Prefixes per ASN: 13.33
Origin-only ASes present in the Internet Routing Table: 17017
Origin ASes announcing only one prefix: 7732
Transit ASes present in the Internet Routing Table: 2670
Transit-only ASes present in the Internet Routing Table: 713
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: 309
Number of instances of unregistered ASNs: 310
Number of 32-bit ASNs allocated by the RIRs: 46340
Number of 32-bit ASNs visible in the Routing Table: 7401
Prefixes from 32-bit ASNs in the Routing Table: 27730
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: 1555034525
Equivalent to 92 /8s, 175 /16s and 241 /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: 83504
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32105
Total APNIC prefixes after maximum aggregation: 7466
APNIC Deaggregation factor: 4.30
Prefixes being announced from the APNIC address blocks: 30586
Unique aggregates announced from the APNIC address blocks: 7857
APNIC Region origin ASes present in the Internet Routing Table: 1196
APNIC Prefixes per ASN: 25.57
APNIC Region origin ASes announcing only one prefix: 466
APNIC Region transit ASes present in the Internet Routing Table: 204
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: 541
Number of APNIC addresses announced to Internet: 167500908
Equivalent to 9 /8s, 251 /16s and 220 /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: 125746
Total ARIN prefixes after maximum aggregation: 65087
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 122653
Unique aggregates announced from the ARIN address blocks: 65925
ARIN Region origin ASes present in the Internet Routing Table: 9346
ARIN Prefixes per ASN: 13.12
ARIN Region origin ASes announcing only one prefix: 3908
ARIN Region transit ASes present in the Internet Routing Table: 859
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: 2178
Number of ARIN addresses announced to Internet: 968416737
Equivalent to 57 /8s, 184 /16s and 221 /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: 49749
Total RIPE prefixes after maximum aggregation: 26234
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 51529
Unique aggregates announced from the RIPE address blocks: 36651
RIPE Region origin ASes present in the Internet Routing Table: 4562
RIPE Prefixes per ASN: 11.30
RIPE Region origin ASes announcing only one prefix: 1924
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: 1864
Number of RIPE addresses announced to Internet: 281394512
Equivalent to 16 /8s, 197 /16s and 189 /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: 44058
Total LACNIC prefixes after maximum aggregation: 13538
LACNIC Deaggregation factor: 3.25
Prefixes being announced from the LACNIC address blocks: 43174
Unique aggregates announced from the LACNIC address blocks: 20085
LACNIC Region origin ASes present in the Internet Routing Table: 3480
LACNIC Prefixes per ASN: 12.41
LACNIC Region origin ASes announcing only one prefix: 1333
LACNIC Region transit ASes present in the Internet Routing Table: 707
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: 2670
Number of LACNIC addresses announced to Internet: 96321792
Equivalent to 5 /8s, 189 /16s and 193 /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: 10431
Total AfriNIC prefixes after maximum aggregation: 2337
AfriNIC Deaggregation factor: 4.46
Prefixes being announced from the AfriNIC address blocks: 14320
Unique aggregates announced from the AfriNIC address blocks: 4552
AfriNIC Region origin ASes present in the Internet Routing Table: 268
AfriNIC Prefixes per ASN: 53.43
AfriNIC Region origin ASes announcing only one prefix: 101
AfriNIC Region transit ASes present in the Internet Routing Table: 77
Average AfriNIC Region AS path length visible: 6.6
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 148
Number of AfriNIC addresses announced to Internet: 41348608
Equivalent to 2 /8s, 118 /16s and 238 /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 10359 8754 87 CHINAMOBILE-CN China Mobile Communication
56046 1681 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 897 57 410 LCS-AS-AP LARUS Limited, HK
24547 852 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 771 500 72 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 500 796 137 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 13318 40826 4509 AMAZON-02, US
22773 3352 3015 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54863 2505 DNIC-AS-00749, US
4155 2671 204 1645 USDA-1, US
36352 2520 207 1121 AS-COLOCROSSING, US
367 2449 2906 1191 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 1665 4890 275 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 3251 197 64 ALJAWWALSTC-AS, SA
20940 1204 94 983 AKAMAI-ASN1, NL
3257 996 2077 748 GTT-BACKBONE GTT, US
3215 894 4818 288 France Telecom - Orange, FR
25019 815 1301 129 SAUDINETSTC-AS, SA
34984 686 76 409 TELLCOM-AS, TR
8452 660 1842 17 TE-AS TE-AS, EG
203214 602 46 367 HULUMTELE, IQ
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 6859 1873 1030 UNINET, MX
11830 1994 369 64 Instituto Costarricense de Electricidad y
10620 1930 286 1301 Telmex Colombia S.A., CO
3816 1332 784 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1191 371 22 Telefonica del Peru S.A.A., PE
26615 1014 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 1488 389 16 LINKdotNET-AS, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
29571 975 100 76 ORANGE-COTE-IVOIRE, CI
24835 882 552 38 RAYA-AS, EG
36935 719 141 184 Vodafone-, EG
36992 603 1228 124 ETISALAT-MISR, EG
36914 550 82 3 KENET-AS, KE
37069 494 1046 15 MOBINIL, EG
36903 410 192 301 MT-MPLS, MA
2018 372 318 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 13318 40826 4509 AMAZON-02, US
9808 10359 8754 87 CHINAMOBILE-CN China Mobile Communication
8151 6859 1873 1030 UNINET, MX
22773 3352 3015 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54863 2505 DNIC-AS-00749, US
39891 3251 197 64 ALJAWWALSTC-AS, SA
4155 2671 204 1645 USDA-1, US
36352 2520 207 1121 AS-COLOCROSSING, US
367 2449 2906 1191 DNIC-ASBLK-00306-00371, US
7018 2100 22891 1549 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 10359 10272 CHINAMOBILE-CN China Mobile Communications Grou
8151 6859 5829 UNINET, MX
22773 3352 3188 ASN-CXA-ALL-CCI-22773-RDC, US
39891 3251 3187 ALJAWWALSTC-AS, SA
11830 1994 1930 Instituto Costarricense de Electricidad y Telec
11776 1895 1679 ATLANTICBB-JOHNSTOWN, US
56046 1681 1495 CMNET-JIANGSU-AP China Mobile communications co
56041 1570 1492 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1488 1472 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
23.158.216.0/24 Origin: 204535 RESERVED, ZZ
23.158.216.0/24 Transit: 22427 GNET-AS, 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
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
/13:214 /14:579 /15:1099 /16:7623 /17:3441 /18:4197
/19:7635 /20:12307 /21:15230 /22:27519 /23:27573 /24:154514
/25:60 /26:83 /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 3571 6859 UNINET, MX
22773 2505 3352 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2368 3251 ALJAWWALSTC-AS, SA
16509 2330 13318 AMAZON-02, US
11830 1695 1994 Instituto Costarricense de Electricidad y Telecom., CR
10620 1089 1930 Telmex Colombia S.A., CO
36352 1003 2520 AS-COLOCROSSING, US
209 964 1665 CENTURYLINK-US-LEGACY-QWEST, US
19901 949 1223 BRSPD-PUBLIC, 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 2:493 3:684 4:6 5:1054 6:155
7:5 8:681 11:171 12:997 13:307 14:110
15:301 16:245 17:6 18:889 20:176 21:4
22:188 23:2566 24:649 27:21 29:19 31:472
32:9 33:1 34:10 35:133 36:1394 37:1071
38:1900 39:551 40:62 41:951 42:213 43:189
44:34 45:3644 46:949 47:85 49:19 50:346
51:385 52:1384 54:298 55:1090 56:11 57:15
58:18 59:31 60:16 61:72 62:545 63:768
64:1985 65:1118 66:1573 67:953 68:406 69:1146
70:442 71:203 72:813 74:961 75:423 76:249
77:466 78:590 79:280 80:294 81:354 82:741
83:245 84:342 85:450 86:233 87:242 88:277
89:841 90:103 91:939 92:596 93:843 94:921
95:745 96:289 97:66 98:457 99:164 100:35
101:18 102:431 103:1217 104:1440 105:140 106:16
107:1497 108:551 109:386 110:33 111:1929 112:452
113:39 114:43 115:13 116:62 117:1041 118:62
119:130 120:1174 121:46 122:70 123:70 124:56
125:25 128:463 129:304 130:692 131:895 132:561
133:212 134:506 135:112 136:576 137:494 138:886
139:438 140:708 141:455 142:1024 143:644 144:431
145:135 146:674 147:494 148:863 149:743 150:386
151:630 152:476 153:129 154:1802 155:825 156:1408
157:373 158:542 159:686 160:836 161:668 162:940
163:351 164:709 165:777 166:774 167:640 168:1109
169:142 170:1596 171:123 172:1360 173:831 174:250
175:55 176:661 177:815 178:488 179:670 180:49
181:1741 182:29 183:867 184:452 185:3364 186:2026
187:1301 188:780 189:1626 190:4211 191:427 192:5168
193:1818 194:1215 195:926 196:690 197:1547 198:2724
199:4867 200:3575 201:3155 202:1000 203:737 204:2150
205:1950 206:1547 207:1497 208:1432 209:1941 210:308
211:430 212:926 213:839 214:980 215:42 216:2526
217:412 218:520 219:19 220:26 221:333 222:32
223:762
End of report
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