[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Mar 1 20:17:01 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sat 01 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: 257830
Prefixes after maximum aggregation (per Origin AS): 111799
Deaggregation factor: 2.31
Unique aggregates announced (without unneeded subnets): 133420
Number of IPv4 prefixes with a valid ROA: 116335
Number of IPv4 prefixes with an invalid ROA: 28
Number of IPv4 prefixes with no ROA: 141467
Total ASes present in the Internet Routing Table: 20074
Prefixes per ASN: 12.84
Origin-only ASes present in the Internet Routing Table: 17268
Origin ASes announcing only one prefix: 7653
Transit ASes present in the Internet Routing Table: 2806
Transit-only ASes present in the Internet Routing Table: 732
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: 46217
Number of 32-bit ASNs visible in the Routing Table: 7833
Prefixes from 32-bit ASNs in the Routing Table: 29086
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: 112
Number of addresses announced to Internet: 1559420413
Equivalent to 92 /8s, 242 /16s and 221 /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: 81504
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31974
Total APNIC prefixes after maximum aggregation: 7741
APNIC Deaggregation factor: 4.13
Prefixes being announced from the APNIC address blocks: 31060
Unique aggregates announced from the APNIC address blocks: 8478
APNIC Region origin ASes present in the Internet Routing Table: 1211
APNIC Prefixes per ASN: 25.65
APNIC Region origin ASes announcing only one prefix: 475
APNIC Region transit ASes present in the Internet Routing Table: 219
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: 552
Number of APNIC addresses announced to Internet: 170562412
Equivalent to 10 /8s, 42 /16s and 147 /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: 119430
Total ARIN prefixes after maximum aggregation: 61080
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 117094
Unique aggregates announced from the ARIN address blocks: 61868
ARIN Region origin ASes present in the Internet Routing Table: 9089
ARIN Prefixes per ASN: 12.88
ARIN Region origin ASes announcing only one prefix: 3784
ARIN Region transit ASes present in the Internet Routing Table: 844
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: 2076
Number of ARIN addresses announced to Internet: 958734081
Equivalent to 57 /8s, 37 /16s and 31 /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: 46125
Total RIPE prefixes after maximum aggregation: 25079
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 47790
Unique aggregates announced from the RIPE address blocks: 34884
RIPE Region origin ASes present in the Internet Routing Table: 4458
RIPE Prefixes per ASN: 10.72
RIPE Region origin ASes announcing only one prefix: 1848
RIPE Region transit ASes present in the Internet Routing Table: 671
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: 1788
Number of RIPE addresses announced to Internet: 288242256
Equivalent to 17 /8s, 46 /16s and 58 /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: 49492
Total LACNIC prefixes after maximum aggregation: 15169
LACNIC Deaggregation factor: 3.26
Prefixes being announced from the LACNIC address blocks: 48331
Unique aggregates announced from the LACNIC address blocks: 23427
LACNIC Region origin ASes present in the Internet Routing Table: 4192
LACNIC Prefixes per ASN: 11.53
LACNIC Region origin ASes announcing only one prefix: 1432
LACNIC Region transit ASes present in the Internet Routing Table: 856
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: 3271
Number of LACNIC addresses announced to Internet: 99635264
Equivalent to 5 /8s, 240 /16s and 80 /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: 10546
Total AfriNIC prefixes after maximum aggregation: 2540
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 13443
Unique aggregates announced from the AfriNIC address blocks: 4652
AfriNIC Region origin ASes present in the Internet Routing Table: 273
AfriNIC Prefixes per ASN: 49.24
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: 146
Number of AfriNIC addresses announced to Internet: 42198016
Equivalent to 2 /8s, 131 /16s and 228 /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 638 2170 464 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 12822 39187 3779 AMAZON-02, US
22773 3366 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2475 2911 1196 DNIC-ASBLK-00306-00371, US
4155 2433 180 1467 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
8452 812 1842 17 TE-AS TE-AS, EG
3257 792 2069 694 GTT-BACKBONE GTT, US
34984 742 76 433 TELLCOM-AS, TR
25019 700 1290 134 SAUDINETSTC-AS, SA
8376 579 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 6159 1748 940 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 1172 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 1473 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 12822 39187 3779 AMAZON-02, US
9808 10139 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6159 1748 940 UNINET, MX
22773 3366 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2475 2911 1196 DNIC-ASBLK-00306-00371, US
4155 2433 180 1467 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 6159 5219 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 1473 1457 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 /16:7611 /17:3333 /18:4200
/19:7599 /20:12388 /21:15036 /22:27774 /23:27069 /24:150456
/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 3283 6159 UNINET, MX
22773 2507 3366 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2286 12822 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)
----------------------------------------------
1:62 2:487 3:572 4:5 5:788 6:154
7:5 8:633 11:171 12:995 13:295 14:118
15:300 16:240 17:5 18:888 20:170 21:4
22:188 23:2223 24:669 27:27 29:19 31:377
32:17 34:10 35:130 36:1241 37:598 38:2073
39:541 40:54 41:964 42:210 43:193 44:25
45:3801 46:935 47:87 49:33 50:337 51:374
52:1385 54:278 55:916 56:9 57:18 58:31
59:28 60:16 61:77 62:520 63:763 64:1765
65:1060 66:1550 67:963 68:412 69:1162 70:437
71:201 72:691 74:954 75:420 76:237 77:458
78:334 79:270 80:268 81:331 82:590 83:218
84:328 85:577 86:227 87:238 88:247 89:738
90:98 91:933 92:619 93:365 94:743 95:613
96:251 97:67 98:450 99:163 100:36 101:32
102:324 103:1205 104:1107 105:131 106:35 107:1122
108:505 109:392 110:31 111:1924 112:460 113:49
114:49 115:23 116:53 117:1044 118:173 119:122
120:1170 121:42 122:113 123:149 124:57 125:24
128:479 129:282 130:658 131:908 132:576 133:212
134:447 135:115 136:553 137:497 138:988 139:397
140:701 141:422 142:904 143:712 144:407 145:70
146:653 147:497 148:812 149:646 150:367 151:663
152:523 153:124 154:1231 155:761 156:1300 157:372
158:474 159:663 160:879 161:650 162:940 163:338
164:726 165:772 166:606 167:638 168:1499 169:145
170:1645 171:124 172:1136 173:797 174:236 175:65
176:639 177:1116 178:511 179:796 180:69 181:1821
182:52 183:873 184:496 185:3301 186:2403 187:1370
188:725 189:1538 190:5069 191:463 192:4771 193:1722
194:1177 195:901 196:646 197:1535 198:2543 199:4746
200:3956 201:3308 202:980 203:693 204:2082 205:1958
206:1537 207:1467 208:1305 209:1882 210:320 211:427
212:924 213:772 214:1012 215:36 216:2405 217:441
218:523 219:22 220:31 221:301 222:30 223:742
End of report
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