[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Mar 2 20:17:03 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sun 02 Mar, 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: 256753
Prefixes after maximum aggregation (per Origin AS): 111598
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 133133
Number of IPv4 prefixes with a valid ROA: 115896
Number of IPv4 prefixes with an invalid ROA: 28
Number of IPv4 prefixes with no ROA: 140829
Total ASes present in the Internet Routing Table: 20068
Prefixes per ASN: 12.79
Origin-only ASes present in the Internet Routing Table: 17265
Origin ASes announcing only one prefix: 7670
Transit ASes present in the Internet Routing Table: 2803
Transit-only ASes present in the Internet Routing Table: 725
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: 263
Number of instances of unregistered ASNs: 264
Number of 32-bit ASNs allocated by the RIRs: 46224
Number of 32-bit ASNs visible in the Routing Table: 7830
Prefixes from 32-bit ASNs in the Routing Table: 29112
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: 113
Number of addresses announced to Internet: 1558797565
Equivalent to 92 /8s, 233 /16s and 92 /24s
Percentage of available address space announced: 42.1
Percentage of allocated address space announced: 42.1
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: 80892
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32057
Total APNIC prefixes after maximum aggregation: 7760
APNIC Deaggregation factor: 4.13
Prefixes being announced from the APNIC address blocks: 31064
Unique aggregates announced from the APNIC address blocks: 8486
APNIC Region origin ASes present in the Internet Routing Table: 1217
APNIC Prefixes per ASN: 25.53
APNIC Region origin ASes announcing only one prefix: 481
APNIC Region transit ASes present in the Internet Routing Table: 218
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: 555
Number of APNIC addresses announced to Internet: 170574444
Equivalent to 10 /8s, 42 /16s and 194 /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: 119364
Total ARIN prefixes after maximum aggregation: 61048
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 117023
Unique aggregates announced from the ARIN address blocks: 61809
ARIN Region origin ASes present in the Internet Routing Table: 9077
ARIN Prefixes per ASN: 12.89
ARIN Region origin ASes announcing only one prefix: 3785
ARIN Region transit ASes present in the Internet Routing Table: 843
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: 2073
Number of ARIN addresses announced to Internet: 958697473
Equivalent to 57 /8s, 36 /16s and 144 /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: 45941
Total RIPE prefixes after maximum aggregation: 24993
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 47738
Unique aggregates announced from the RIPE address blocks: 34802
RIPE Region origin ASes present in the Internet Routing Table: 4448
RIPE Prefixes per ASN: 10.73
RIPE Region origin ASes announcing only one prefix: 1853
RIPE Region transit ASes present in the Internet Routing Table: 670
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1780
Number of RIPE addresses announced to Internet: 288203344
Equivalent to 17 /8s, 45 /16s and 162 /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: 48586
Total LACNIC prefixes after maximum aggregation: 15067
LACNIC Deaggregation factor: 3.22
Prefixes being announced from the LACNIC address blocks: 47416
Unique aggregates announced from the LACNIC address blocks: 23190
LACNIC Region origin ASes present in the Internet Routing Table: 4209
LACNIC Prefixes per ASN: 11.27
LACNIC Region origin ASes announcing only one prefix: 1437
LACNIC Region transit ASes present in the Internet Routing Table: 857
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3277
Number of LACNIC addresses announced to Internet: 99054656
Equivalent to 5 /8s, 231 /16s and 116 /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: 10542
Total AfriNIC prefixes after maximum aggregation: 2540
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 13399
Unique aggregates announced from the AfriNIC address blocks: 4734
AfriNIC Region origin ASes present in the Internet Routing Table: 273
AfriNIC Prefixes per ASN: 49.08
AfriNIC Region origin ASes announcing only one prefix: 114
AfriNIC Region transit ASes present in the Internet Routing Table: 73
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: 145
Number of AfriNIC addresses announced to Internet: 42219008
Equivalent to 2 /8s, 132 /16s and 54 /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 10139 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1571 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1542 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1503 192 53 CMNET-HUNAN-AP China Mobile communication
24547 848 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 639 2170 465 SINET-AS Research Organization of Informa
24445 503 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 472 759 138 ALIBABA-CN-NET Alibaba US Technology Co.,
17676 470 8895 146 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 12793 39183 3781 AMAZON-02, US
22773 3366 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2473 2911 1194 DNIC-ASBLK-00306-00371, US
4155 2434 180 1468 USDA-1, US
7018 2257 22912 1607 ATT-INTERNET4, US
11776 1878 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1786 3543 463 CELLCO-PART, US
209 1673 4890 280 CENTURYLINK-US-LEGACY-QWEST, US
20057 1420 1047 109 ATT-MOBILITY-LLC-AS20057, 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 1274 99 1011 AKAMAI-ASN1, NL
3215 925 4894 282 France Telecom - Orange, FR
3257 792 2069 694 GTT-BACKBONE GTT, US
34984 745 77 436 TELLCOM-AS, TR
25019 700 1290 134 SAUDINETSTC-AS, SA
8452 683 1842 17 TE-AS TE-AS, EG
8376 580 54 26 Jordan Data Communications, JO
51167 567 113 250 CONTABO, DE
212238 533 39 469 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 5395 1642 875 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1766 262 1245 Telmex Colombia S.A., CO
3816 1329 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1167 371 22 Telefonica del Peru S.A.A., PE
26615 1013 2503 53 TIM SA, BR
18881 875 1127 31 TELEFONICA BRASIL S.A, BR
28006 643 77 294 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 633 90 53 ENTEL CHILE S.A., CL
26599 541 2876 72 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 1471 389 16 LINKdotNET-AS, EG
29571 1138 81 385 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 834 509 46 RAYA-AS, EG
36935 704 522 55 Vodafone-, EG
36992 638 1225 130 ETISALAT-MISR, EG
37069 614 1031 15 MOBINIL, EG
36914 553 82 3 KENET-AS, KE
36903 406 190 295 MT-MPLS, MA
2018 380 319 71 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 12793 39183 3781 AMAZON-02, US
9808 10139 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 5395 1642 875 UNINET, MX
22773 3366 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2473 2911 1194 DNIC-ASBLK-00306-00371, US
4155 2434 180 1468 USDA-1, US
7018 2257 22912 1607 ATT-INTERNET4, US
11830 1992 369 64 Instituto Costarricense de Electricidad y
39891 1936 130 50 ALJAWWALSTC-AS, SA
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 10139 10052 CHINAMOBILE-CN China Mobile Communications Grou
8151 5395 4520 UNINET, MX
22773 3366 3191 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1878 1661 ATLANTICBB-JOHNSTOWN, US
56041 1542 1464 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1471 1455 LINKdotNET-AS, EG
56047 1503 1450 CMNET-HUNAN-AP China Mobile communications corp
209 1673 1393 CENTURYLINK-US-LEGACY-QWEST, US
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
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
23.140.16.0/24 Origin: 63371 RESERVED, ZZ
23.140.16.0/24 Transit: 3356 LEVEL3, US
23.140.48.0/24 Origin: 63371 RESERVED, ZZ
23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US
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
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 /11:43 /12:151
/13:222 /14:578 /15:1109 /16:7617 /17:3332 /18:4205
/19:7507 /20:12423 /21:14806 /22:27588 /23:26917 /24:149994
/25:51 /26:75 /27:36 /28:16 /29:16 /30:10
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 2852 5395 UNINET, MX
22773 2507 3366 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2280 12793 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 994 1766 Telmex Colombia S.A., CO
209 967 1673 CENTURYLINK-US-LEGACY-QWEST, US
19901 925 1157 BRSPD-PUBLIC, US
11776 881 1878 ATLANTICBB-JOHNSTOWN, US
20011 868 980 INTERNET-SOLUTIONS, ZA
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:51 2:488 3:571 4:5 5:779 6:154
7:5 8:631 11:171 12:985 13:294 14:118
15:300 16:240 17:5 18:887 20:170 21:4
22:188 23:2216 24:669 27:27 29:19 31:374
32:17 34:10 35:130 36:1241 37:596 38:2069
39:541 40:54 41:965 42:210 43:194 44:24
45:3805 46:936 47:86 49:35 50:336 51:374
52:1382 54:278 55:916 56:9 57:18 58:31
59:28 60:16 61:77 62:517 63:764 64:1766
65:1060 66:1548 67:962 68:412 69:1150 70:437
71:201 72:697 74:959 75:420 76:237 77:457
78:332 79:271 80:269 81:331 82:590 83:218
84:328 85:567 86:228 87:251 88:247 89:732
90:98 91:932 92:618 93:366 94:746 95:610
96:253 97:66 98:450 99:163 100:36 101:32
102:324 103:1207 104:1092 105:131 106:35 107:1122
108:504 109:374 110:31 111:1924 112:460 113:49
114:53 115:23 116:53 117:1044 118:173 119:122
120:1170 121:42 122:113 123:149 124:57 125:24
128:479 129:282 130:657 131:911 132:576 133:212
134:443 135:115 136:553 137:498 138:997 139:397
140:689 141:412 142:904 143:707 144:403 145:70
146:654 147:496 148:814 149:652 150:367 151:664
152:524 153:124 154:1296 155:761 156:1322 157:372
158:472 159:665 160:874 161:650 162:940 163:339
164:724 165:774 166:606 167:638 168:1495 169:145
170:1602 171:124 172:1125 173:792 174:236 175:65
176:647 177:1110 178:509 179:788 180:69 181:1821
182:52 183:873 184:496 185:3290 186:2404 187:1195
188:724 189:1414 190:5009 191:421 192:4770 193:1722
194:1170 195:902 196:646 197:1530 198:2545 199:4734
200:3971 201:3312 202:983 203:693 204:2086 205:1975
206:1537 207:1469 208:1300 209:1894 210:320 211:427
212:925 213:774 214:1017 215:36 216:2404 217:438
218:523 219:22 220:31 221:301 222:30 223:742
End of report
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