[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Feb 28 20:17:01 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Fri 28 Feb, 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: 257913
Prefixes after maximum aggregation (per Origin AS): 112060
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 133566
Number of IPv4 prefixes with a valid ROA: 116147
Number of IPv4 prefixes with an invalid ROA: 27
Number of IPv4 prefixes with no ROA: 141739
Total ASes present in the Internet Routing Table: 20111
Prefixes per ASN: 12.82
Origin-only ASes present in the Internet Routing Table: 17276
Origin ASes announcing only one prefix: 7669
Transit ASes present in the Internet Routing Table: 2835
Transit-only ASes present in the Internet Routing Table: 746
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: 261
Number of instances of unregistered ASNs: 262
Number of 32-bit ASNs allocated by the RIRs: 46213
Number of 32-bit ASNs visible in the Routing Table: 7851
Prefixes from 32-bit ASNs in the Routing Table: 29294
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: 110
Number of addresses announced to Internet: 1559536637
Equivalent to 92 /8s, 244 /16s and 163 /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: 81593
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31961
Total APNIC prefixes after maximum aggregation: 7776
APNIC Deaggregation factor: 4.11
Prefixes being announced from the APNIC address blocks: 31112
Unique aggregates announced from the APNIC address blocks: 8555
APNIC Region origin ASes present in the Internet Routing Table: 1220
APNIC Prefixes per ASN: 25.50
APNIC Region origin ASes announcing only one prefix: 477
APNIC Region transit ASes present in the Internet Routing Table: 225
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: 554
Number of APNIC addresses announced to Internet: 170841964
Equivalent to 10 /8s, 46 /16s and 215 /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: 119451
Total ARIN prefixes after maximum aggregation: 61153
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 117234
Unique aggregates announced from the ARIN address blocks: 61989
ARIN Region origin ASes present in the Internet Routing Table: 9089
ARIN Prefixes per ASN: 12.90
ARIN Region origin ASes announcing only one prefix: 3786
ARIN Region transit ASes present in the Internet Routing Table: 845
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: 2077
Number of ARIN addresses announced to Internet: 958865153
Equivalent to 57 /8s, 39 /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: 46226
Total RIPE prefixes after maximum aggregation: 25212
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 47867
Unique aggregates announced from the RIPE address blocks: 34974
RIPE Region origin ASes present in the Internet Routing Table: 4464
RIPE Prefixes per ASN: 10.72
RIPE Region origin ASes announcing only one prefix: 1858
RIPE Region transit ASes present in the Internet Routing Table: 674
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: 1793
Number of RIPE addresses announced to Internet: 288177744
Equivalent to 17 /8s, 45 /16s and 62 /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: 49461
Total LACNIC prefixes after maximum aggregation: 15188
LACNIC Deaggregation factor: 3.26
Prefixes being announced from the LACNIC address blocks: 48293
Unique aggregates announced from the LACNIC address blocks: 23418
LACNIC Region origin ASes present in the Internet Routing Table: 4197
LACNIC Prefixes per ASN: 11.51
LACNIC Region origin ASes announcing only one prefix: 1431
LACNIC Region transit ASes present in the Internet Routing Table: 863
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: 3280
Number of LACNIC addresses announced to Internet: 99419712
Equivalent to 5 /8s, 237 /16s and 6 /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: 10553
Total AfriNIC prefixes after maximum aggregation: 2540
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 13297
Unique aggregates announced from the AfriNIC address blocks: 4521
AfriNIC Region origin ASes present in the Internet Routing Table: 275
AfriNIC Prefixes per ASN: 48.35
AfriNIC Region origin ASes announcing only one prefix: 117
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: 147
Number of AfriNIC addresses announced to Internet: 42184192
Equivalent to 2 /8s, 131 /16s and 174 /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 10138 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 12816 39187 3777 AMAZON-02, US
22773 3366 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2486 2912 1204 DNIC-ASBLK-00306-00371, US
4155 2430 180 1466 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 1280 100 1016 AKAMAI-ASN1, NL
3215 925 4894 282 France Telecom - Orange, FR
8452 819 1842 17 TE-AS TE-AS, EG
3257 791 2069 695 GTT-BACKBONE GTT, US
34984 742 76 433 TELLCOM-AS, TR
25019 700 1290 134 SAUDINETSTC-AS, SA
8376 578 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 943 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 1470 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 552 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 12816 39187 3777 AMAZON-02, US
9808 10138 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6159 1748 943 UNINET, MX
22773 3366 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2486 2912 1204 DNIC-ASBLK-00306-00371, US
4155 2430 180 1466 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 10138 10051 CHINAMOBILE-CN China Mobile Communications Grou
8151 6159 5216 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 1470 1454 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 /17:3333 /18:4200
/19:7625 /20:12352 /21:15044 /22:27770 /23:27101 /24:150507
/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 3281 6159 UNINET, MX
22773 2507 3366 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2282 12816 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 2:488 3:572 4:5 5:787 6:154
7:5 8:630 11:171 12:984 13:295 14:121
15:300 16:240 17:5 18:887 20:170 21:4
22:188 23:2227 24:669 27:27 29:19 31:378
32:17 34:10 35:129 36:1242 37:601 38:2079
39:541 40:54 41:973 42:210 43:196 44:26
45:3818 46:939 47:85 49:34 50:338 51:374
52:1385 54:279 55:920 56:9 57:18 58:31
59:28 60:16 61:77 62:519 63:763 64:1764
65:1060 66:1550 67:964 68:412 69:1162 70:437
71:201 72:691 74:955 75:420 76:237 77:459
78:333 79:271 80:273 81:330 82:592 83:218
84:329 85:573 86:227 87:251 88:247 89:736
90:98 91:938 92:621 93:365 94:753 95:616
96:257 97:67 98:452 99:163 100:36 101:34
102:324 103:1188 104:1092 105:131 106:35 107:1120
108:507 109:392 110:31 111:1912 112:460 113:47
114:47 115:23 116:53 117:1043 118:178 119:123
120:1170 121:42 122:115 123:151 124:57 125:23
128:483 129:282 130:658 131:913 132:577 133:212
134:444 135:115 136:553 137:502 138:995 139:395
140:703 141:423 142:904 143:715 144:410 145:70
146:658 147:497 148:813 149:654 150:370 151:663
152:530 153:124 154:1171 155:760 156:1248 157:373
158:475 159:667 160:881 161:652 162:939 163:342
164:728 165:776 166:606 167:635 168:1496 169:145
170:1643 171:126 172:1126 173:795 174:236 175:65
176:640 177:1109 178:513 179:793 180:70 181:1826
182:39 183:873 184:496 185:3319 186:2407 187:1366
188:723 189:1514 190:5075 191:464 192:4772 193:1726
194:1181 195:915 196:646 197:1531 198:2533 199:4735
200:3980 201:3312 202:985 203:692 204:2085 205:1971
206:1547 207:1469 208:1312 209:1885 210:318 211:427
212:923 213:779 214:1014 215:36 216:2411 217:442
218:523 219:22 220:31 221:301 222:30 223:743
End of report
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