[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Apr 22 20:17:02 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Tue 22 Apr, 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: 265017
Prefixes after maximum aggregation (per Origin AS): 116416
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 138440
Number of IPv4 prefixes with a valid ROA: 117925
Number of IPv4 prefixes with an invalid ROA: 16
Number of IPv4 prefixes with no ROA: 147076
Total ASes present in the Internet Routing Table: 20072
Prefixes per ASN: 13.20
Origin-only ASes present in the Internet Routing Table: 17344
Origin ASes announcing only one prefix: 7843
Transit ASes present in the Internet Routing Table: 2728
Transit-only ASes present in the Internet Routing Table: 719
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: 342
Number of instances of unregistered ASNs: 343
Number of 32-bit ASNs allocated by the RIRs: 46261
Number of 32-bit ASNs visible in the Routing Table: 7546
Prefixes from 32-bit ASNs in the Routing Table: 28434
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: 147
Number of addresses announced to Internet: 1560684221
Equivalent to 93 /8s, 6 /16s and 38 /24s
Percentage of available address space announced: 42.2
Percentage of allocated address space announced: 42.2
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: 84045
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31595
Total APNIC prefixes after maximum aggregation: 7297
APNIC Deaggregation factor: 4.33
Prefixes being announced from the APNIC address blocks: 30403
Unique aggregates announced from the APNIC address blocks: 7828
APNIC Region origin ASes present in the Internet Routing Table: 1211
APNIC Prefixes per ASN: 25.11
APNIC Region origin ASes announcing only one prefix: 483
APNIC Region transit ASes present in the Internet Routing Table: 208
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 554
Number of APNIC addresses announced to Internet: 168965740
Equivalent to 10 /8s, 18 /16s and 54 /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: 128486
Total ARIN prefixes after maximum aggregation: 66303
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 125884
Unique aggregates announced from the ARIN address blocks: 68066
ARIN Region origin ASes present in the Internet Routing Table: 9577
ARIN Prefixes per ASN: 13.14
ARIN Region origin ASes announcing only one prefix: 3961
ARIN Region transit ASes present in the Internet Routing Table: 890
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: 2238
Number of ARIN addresses announced to Internet: 971731137
Equivalent to 57 /8s, 235 /16s and 112 /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: 49630
Total RIPE prefixes after maximum aggregation: 26888
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 51020
Unique aggregates announced from the RIPE address blocks: 37487
RIPE Region origin ASes present in the Internet Routing Table: 4627
RIPE Prefixes per ASN: 11.03
RIPE Region origin ASes announcing only one prefix: 1942
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: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1894
Number of RIPE addresses announced to Internet: 280579408
Equivalent to 16 /8s, 185 /16s and 77 /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: 44670
Total LACNIC prefixes after maximum aggregation: 13476
LACNIC Deaggregation factor: 3.31
Prefixes being announced from the LACNIC address blocks: 43721
Unique aggregates announced from the LACNIC address blocks: 20367
LACNIC Region origin ASes present in the Internet Routing Table: 3537
LACNIC Prefixes per ASN: 12.36
LACNIC Region origin ASes announcing only one prefix: 1348
LACNIC Region transit ASes present in the Internet Routing Table: 723
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 34
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2714
Number of LACNIC addresses announced to Internet: 96667712
Equivalent to 5 /8s, 195 /16s and 8 /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: 10294
Total AfriNIC prefixes after maximum aggregation: 2228
AfriNIC Deaggregation factor: 4.62
Prefixes being announced from the AfriNIC address blocks: 13842
Unique aggregates announced from the AfriNIC address blocks: 4563
AfriNIC Region origin ASes present in the Internet Routing Table: 268
AfriNIC Prefixes per ASN: 51.65
AfriNIC Region origin ASes announcing only one prefix: 109
AfriNIC Region transit ASes present in the Internet Routing Table: 74
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: 42685440
Equivalent to 2 /8s, 139 /16s and 84 /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 10165 8753 89 CHINAMOBILE-CN China Mobile Communication
56046 1590 811 186 CMNET-JIANGSU-AP China Mobile communicati
56041 1569 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1483 192 53 CMNET-HUNAN-AP China Mobile communication
24547 850 177 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
45102 566 879 138 ALIBABA-CN-NET Alibaba US Technology Co.,
24445 522 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
17676 463 8767 152 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 13241 39708 4105 AMAZON-02, US
22773 3392 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54879 2505 DNIC-AS-00749, US
4155 2653 202 1620 USDA-1, US
36352 2467 204 1100 AS-COLOCROSSING, US
367 2445 2888 1189 DNIC-ASBLK-00306-00371, US
7018 2118 22901 1558 ATT-INTERNET4, US
11776 1894 258 216 ATLANTICBB-JOHNSTOWN, US
6167 1840 3651 464 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 1936 130 50 ALJAWWALSTC-AS, SA
20940 1298 100 1045 AKAMAI-ASN1, NL
3257 930 2075 747 GTT-BACKBONE GTT, US
34984 928 92 520 TELLCOM-AS, TR
3215 893 4810 292 France Telecom - Orange, FR
25019 857 1303 130 SAUDINETSTC-AS, SA
8452 656 1842 17 TE-AS TE-AS, EG
212238 580 41 511 CDNEXT, GB
8376 578 53 23 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 7391 2025 1010 UNINET, MX
11830 1969 369 64 Instituto Costarricense de Electricidad y
10620 1929 286 1300 Telmex Colombia S.A., CO
3816 1331 784 204 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1189 371 21 Telefonica del Peru S.A.A., PE
26615 986 2503 52 TIM SA, BR
18881 883 1127 31 TELEFONICA BRASIL S.A, BR
27651 648 94 35 ENTEL CHILE S.A., CL
28006 642 77 294 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 548 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 981 185 285 INTERNET-SOLUTIONS, ZA
29571 971 100 75 ORANGE-COTE-IVOIRE, CI
24835 879 528 38 RAYA-AS, EG
36935 700 519 48 Vodafone-, EG
36992 604 1228 124 ETISALAT-MISR, EG
36914 547 82 3 KENET-AS, KE
37069 504 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 13241 39708 4105 AMAZON-02, US
9808 10165 8753 89 CHINAMOBILE-CN China Mobile Communication
8151 7391 2025 1010 UNINET, MX
22773 3392 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54879 2505 DNIC-AS-00749, US
4155 2653 202 1620 USDA-1, US
36352 2467 204 1100 AS-COLOCROSSING, US
367 2445 2888 1189 DNIC-ASBLK-00306-00371, US
7018 2118 22901 1558 ATT-INTERNET4, US
11830 1969 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 10165 10076 CHINAMOBILE-CN China Mobile Communications Grou
8151 7391 6381 UNINET, MX
22773 3392 3213 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1969 1905 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1894 1678 ATLANTICBB-JOHNSTOWN, US
56041 1569 1491 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1488 1472 LINKdotNET-AS, EG
56047 1483 1430 CMNET-HUNAN-AP China Mobile communications corp
56046 1590 1404 CMNET-JIANGSU-AP China Mobile communications co
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
53966 UNALLOCATED 8.39.98.0/24 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
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
23.166.120.0/24 Origin: 59993 UILLLC-20230328, US
23.166.120.0/24 Transit: 30456 COSMIC-GLOBAL, 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 /11:42 /12:150
/13:215 /14:577 /15:1097 /16:7602 /17:3466 /18:4261
/19:7812 /20:12620 /21:15508 /22:28001 /23:27811 /24:155588
/25:60 /26:76 /27:35 /28:13 /29:16 /30:10
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3898 7391 UNINET, MX
22773 2532 3392 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2355 13241 AMAZON-02, US
11830 1678 1969 Instituto Costarricense de Electricidad y Telecom., CR
10620 1088 1929 Telmex Colombia S.A., CO
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 993 2467 AS-COLOCROSSING, US
209 964 1665 CENTURYLINK-US-LEGACY-QWEST, US
19901 947 1211 BRSPD-PUBLIC, US
11776 883 1894 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 2:455 3:615 4:5 5:835 6:156
7:5 8:649 11:171 12:998 13:299 14:112
15:301 16:244 17:5 18:891 20:172 21:4
22:188 23:2693 24:667 27:21 29:19 31:473
32:10 34:10 35:135 36:1229 37:974 38:1997
39:549 40:62 41:898 42:226 43:191 44:50
45:3608 46:951 47:98 49:18 50:363 51:383
52:1391 54:273 55:1085 56:11 57:18 58:45
59:43 60:16 61:72 62:558 63:781 64:2077
65:1098 66:1642 67:990 68:445 69:1205 70:423
71:210 72:765 74:1009 75:431 76:261 77:478
78:324 79:281 80:301 81:348 82:766 83:248
84:369 85:486 86:237 87:247 88:280 89:817
90:105 91:963 92:606 93:457 94:927 95:682
96:306 97:65 98:481 99:159 100:37 101:19
102:383 103:1227 104:1489 105:138 106:16 107:1497
108:542 109:397 110:37 111:1925 112:450 113:36
114:42 115:18 116:57 117:1034 118:61 119:134
120:1166 121:44 122:65 123:70 124:54 125:25
128:477 129:304 130:689 131:893 132:559 133:213
134:501 135:118 136:601 137:507 138:863 139:454
140:713 141:444 142:1040 143:673 144:430 145:113
146:690 147:534 148:873 149:791 150:384 151:631
152:513 153:132 154:1631 155:810 156:1285 157:387
158:542 159:689 160:843 161:715 162:1043 163:374
164:715 165:803 166:808 167:647 168:1133 169:162
170:1550 171:125 172:1432 173:894 174:265 175:53
176:874 177:885 178:520 179:697 180:47 181:1746
182:28 183:860 184:499 185:3480 186:2015 187:1361
188:786 189:1699 190:4210 191:419 192:5254 193:1861
194:1232 195:946 196:779 197:1560 198:2763 199:4952
200:3573 201:3236 202:995 203:728 204:2208 205:1940
206:1574 207:1535 208:1466 209:1979 210:310 211:431
212:964 213:880 214:980 215:42 216:2620 217:430
218:515 219:19 220:26 221:304 222:32 223:741
End of report
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