[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed May 14 20:17:02 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Wed 14 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: 263892
Prefixes after maximum aggregation (per Origin AS): 115523
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 135207
Number of IPv4 prefixes with a valid ROA: 118634
Number of IPv4 prefixes with an invalid ROA: 29
Number of IPv4 prefixes with no ROA: 145229
Total ASes present in the Internet Routing Table: 19783
Prefixes per ASN: 13.34
Origin-only ASes present in the Internet Routing Table: 17113
Origin ASes announcing only one prefix: 7757
Transit ASes present in the Internet Routing Table: 2670
Transit-only ASes present in the Internet Routing Table: 705
Paths with bogon ASNs present in the IPv4 Routing Table: 9
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: 317
Number of instances of unregistered ASNs: 321
Number of 32-bit ASNs allocated by the RIRs: 46395
Number of 32-bit ASNs visible in the Routing Table: 7453
Prefixes from 32-bit ASNs in the Routing Table: 27950
Number of bogon 32-bit ASNs visible in the Routing Table: 10
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 134
Number of addresses announced to Internet: 1554777053
Equivalent to 92 /8s, 172 /16s and 3 /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: 83249
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32591
Total APNIC prefixes after maximum aggregation: 7623
APNIC Deaggregation factor: 4.28
Prefixes being announced from the APNIC address blocks: 31041
Unique aggregates announced from the APNIC address blocks: 7929
APNIC Region origin ASes present in the Internet Routing Table: 1201
APNIC Prefixes per ASN: 25.85
APNIC Region origin ASes announcing only one prefix: 481
APNIC Region transit ASes present in the Internet Routing Table: 201
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: 547
Number of APNIC addresses announced to Internet: 167752556
Equivalent to 9 /8s, 255 /16s and 179 /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: 125449
Total ARIN prefixes after maximum aggregation: 65302
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 122583
Unique aggregates announced from the ARIN address blocks: 66001
ARIN Region origin ASes present in the Internet Routing Table: 9338
ARIN Prefixes per ASN: 13.13
ARIN Region origin ASes announcing only one prefix: 3887
ARIN Region transit ASes present in the Internet Routing Table: 861
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: 2176
Number of ARIN addresses announced to Internet: 960776673
Equivalent to 57 /8s, 68 /16s and 73 /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: 48968
Total RIPE prefixes after maximum aggregation: 26543
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 50705
Unique aggregates announced from the RIPE address blocks: 36920
RIPE Region origin ASes present in the Internet Routing Table: 4614
RIPE Prefixes per ASN: 10.99
RIPE Region origin ASes announcing only one prefix: 1923
RIPE Region transit ASes present in the Internet Routing Table: 701
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: 1878
Number of RIPE addresses announced to Internet: 281407312
Equivalent to 16 /8s, 197 /16s and 239 /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: 45486
Total LACNIC prefixes after maximum aggregation: 13476
LACNIC Deaggregation factor: 3.38
Prefixes being announced from the LACNIC address blocks: 44517
Unique aggregates announced from the LACNIC address blocks: 20052
LACNIC Region origin ASes present in the Internet Routing Table: 3516
LACNIC Prefixes per ASN: 12.66
LACNIC Region origin ASes announcing only one prefix: 1360
LACNIC Region transit ASes present in the Internet Routing Table: 702
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: 2701
Number of LACNIC addresses announced to Internet: 97958464
Equivalent to 5 /8s, 214 /16s and 186 /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: 11081
Total AfriNIC prefixes after maximum aggregation: 2365
AfriNIC Deaggregation factor: 4.69
Prefixes being announced from the AfriNIC address blocks: 14912
Unique aggregates announced from the AfriNIC address blocks: 4188
AfriNIC Region origin ASes present in the Internet Routing Table: 281
AfriNIC Prefixes per ASN: 53.07
AfriNIC Region origin ASes announcing only one prefix: 106
AfriNIC Region transit ASes present in the Internet Routing Table: 77
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: 151
Number of AfriNIC addresses announced to Internet: 46830592
Equivalent to 2 /8s, 202 /16s and 148 /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 10734 8756 95 CHINAMOBILE-CN China Mobile Communication
56046 1765 811 186 CMNET-JIANGSU-AP China Mobile communicati
56041 1570 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1485 192 53 CMNET-HUNAN-AP China Mobile communication
17561 859 54 403 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 602 2170 465 SINET-AS Research Organization of Informa
24445 522 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 512 848 137 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 13375 40827 4962 AMAZON-02, US
22773 3342 3015 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3253 54861 2504 DNIC-AS-00749, US
4155 2720 207 1663 USDA-1, US
36352 2528 208 1115 AS-COLOCROSSING, US
367 2438 2904 1174 DNIC-ASBLK-00306-00371, US
7018 2094 22887 1543 ATT-INTERNET4, US
11776 1895 258 216 ATLANTICBB-JOHNSTOWN, US
6167 1860 3758 488 CELLCO-PART, US
209 1663 4890 273 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 1154 91 951 AKAMAI-ASN1, NL
3257 931 2077 748 GTT-BACKBONE GTT, US
3215 895 4818 289 France Telecom - Orange, FR
25019 816 1301 130 SAUDINETSTC-AS, SA
8452 706 1842 17 TE-AS TE-AS, EG
34984 689 76 412 TELLCOM-AS, TR
212238 626 44 552 CDNEXT, GB
8376 572 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 7946 2138 973 UNINET, MX
11830 1996 369 64 Instituto Costarricense de Electricidad y
10620 1902 280 1293 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 1028 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 1493 389 16 LINKdotNET-AS, EG
24835 1068 555 37 RAYA-AS, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
29571 977 100 75 ORANGE-COTE-IVOIRE, CI
36935 720 142 180 Vodafone-, EG
36992 603 1228 124 ETISALAT-MISR, EG
36914 552 82 3 KENET-AS, KE
37069 494 1046 15 MOBINIL, EG
36903 446 199 325 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 13375 40827 4962 AMAZON-02, US
9808 10734 8756 95 CHINAMOBILE-CN China Mobile Communication
8151 7946 2138 973 UNINET, MX
22773 3342 3015 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3253 54861 2504 DNIC-AS-00749, US
4155 2720 207 1663 USDA-1, US
36352 2528 208 1115 AS-COLOCROSSING, US
367 2438 2904 1174 DNIC-ASBLK-00306-00371, US
7018 2094 22887 1543 ATT-INTERNET4, US
11830 1996 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 10734 10639 CHINAMOBILE-CN China Mobile Communications Grou
8151 7946 6973 UNINET, MX
22773 3342 3178 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1996 1932 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1895 1679 ATLANTICBB-JOHNSTOWN, US
56046 1765 1579 CMNET-JIANGSU-AP China Mobile communications co
56041 1570 1492 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1493 1477 LINKdotNET-AS, EG
56047 1485 1432 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 /11:42 /12:151
/13:208 /14:572 /15:1099 /16:7637 /17:3444 /18:4218
/19:7726 /20:12425 /21:15463 /22:27667 /23:27810 /24:155156
/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 4156 7946 UNINET, MX
22773 2496 3342 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2334 13375 AMAZON-02, US
11830 1697 1996 Instituto Costarricense de Electricidad y Telecom., CR
10620 1081 1902 Telmex Colombia S.A., CO
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 1010 2528 AS-COLOCROSSING, US
19901 973 1258 BRSPD-PUBLIC, US
209 964 1663 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 2:466 3:725 4:6 5:781 6:156
7:5 8:680 11:171 12:991 13:352 14:113
15:301 16:246 17:6 18:884 20:177 21:4
22:188 23:2588 24:640 27:21 29:19 31:479
32:9 33:1 34:10 35:133 36:1633 37:925
38:1978 39:553 40:62 41:961 42:213 43:196
44:34 45:3612 46:961 47:91 49:17 50:361
51:386 52:1387 54:309 55:1093 56:11 57:17
58:18 59:15 60:16 61:73 62:554 63:765
64:1985 65:1090 66:1582 67:958 68:396 69:1131
70:410 71:202 72:743 74:962 75:428 76:253
77:469 78:363 79:285 80:299 81:384 82:735
83:242 84:345 85:450 86:235 87:228 88:292
89:855 90:104 91:938 92:601 93:475 94:904
95:620 96:289 97:59 98:453 99:178 100:35
101:19 102:394 103:1195 104:1622 105:222 106:16
107:1523 108:549 109:378 110:35 111:1954 112:468
113:39 114:45 115:13 116:62 117:1052 118:30
119:121 120:1217 121:45 122:58 123:76 124:57
125:25 128:485 129:391 130:689 131:894 132:564
133:212 134:494 135:113 136:613 137:500 138:861
139:431 140:699 141:460 142:1023 143:681 144:437
145:135 146:687 147:492 148:872 149:769 150:352
151:647 152:479 153:125 154:1689 155:836 156:1423
157:366 158:544 159:689 160:823 161:666 162:956
163:358 164:722 165:768 166:789 167:631 168:1117
169:153 170:1613 171:125 172:1375 173:835 174:252
175:58 176:670 177:840 178:487 179:689 180:49
181:1815 182:29 183:931 184:448 185:3453 186:2035
187:1466 188:790 189:1793 190:4251 191:436 192:5161
193:1853 194:1223 195:939 196:705 197:1572 198:2735
199:4897 200:3622 201:3322 202:992 203:702 204:2163
205:1839 206:1543 207:1505 208:1441 209:1946 210:290
211:436 212:988 213:844 214:987 215:42 216:2528
217:425 218:520 219:19 220:26 221:340 222:31
223:793
End of report
More information about the ren-bgp-stats-all
mailing list