[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Feb 11 20:16:59 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Tue 11 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: 256951
Prefixes after maximum aggregation (per Origin AS): 111728
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 135777
Number of IPv4 prefixes with a valid ROA: 115569
Number of IPv4 prefixes with an invalid ROA: 19
Number of IPv4 prefixes with no ROA: 141363
Total ASes present in the Internet Routing Table: 20058
Prefixes per ASN: 12.81
Origin-only ASes present in the Internet Routing Table: 17225
Origin ASes announcing only one prefix: 7731
Transit ASes present in the Internet Routing Table: 2833
Transit-only ASes present in the Internet Routing Table: 727
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: 288
Number of instances of unregistered ASNs: 289
Number of 32-bit ASNs allocated by the RIRs: 46105
Number of 32-bit ASNs visible in the Routing Table: 7831
Prefixes from 32-bit ASNs in the Routing Table: 29487
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: 137
Number of addresses announced to Internet: 1538990333
Equivalent to 91 /8s, 187 /16s and 32 /24s
Percentage of available address space announced: 41.6
Percentage of allocated address space announced: 41.6
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: 81172
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31845
Total APNIC prefixes after maximum aggregation: 7785
APNIC Deaggregation factor: 4.09
Prefixes being announced from the APNIC address blocks: 30458
Unique aggregates announced from the APNIC address blocks: 8055
APNIC Region origin ASes present in the Internet Routing Table: 1130
APNIC Prefixes per ASN: 26.95
APNIC Region origin ASes announcing only one prefix: 441
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: 486
Number of APNIC addresses announced to Internet: 168923756
Equivalent to 10 /8s, 17 /16s and 146 /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, 131072-153913
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: 118359
Total ARIN prefixes after maximum aggregation: 60840
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 116586
Unique aggregates announced from the ARIN address blocks: 62486
ARIN Region origin ASes present in the Internet Routing Table: 9029
ARIN Prefixes per ASN: 12.91
ARIN Region origin ASes announcing only one prefix: 3801
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: 2043
Number of ARIN addresses announced to Internet: 950061441
Equivalent to 56 /8s, 160 /16s and 201 /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: 46558
Total RIPE prefixes after maximum aggregation: 25172
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 48045
Unique aggregates announced from the RIPE address blocks: 35314
RIPE Region origin ASes present in the Internet Routing Table: 4498
RIPE Prefixes per ASN: 10.68
RIPE Region origin ASes announcing only one prefix: 1891
RIPE Region transit ASes present in the Internet Routing Table: 676
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: 1807
Number of RIPE addresses announced to Internet: 280212176
Equivalent to 16 /8s, 179 /16s and 178 /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: 49480
Total LACNIC prefixes after maximum aggregation: 15086
LACNIC Deaggregation factor: 3.28
Prefixes being announced from the LACNIC address blocks: 48170
Unique aggregates announced from the LACNIC address blocks: 23205
LACNIC Region origin ASes present in the Internet Routing Table: 4266
LACNIC Prefixes per ASN: 11.29
LACNIC Region origin ASes announcing only one prefix: 1473
LACNIC Region transit ASes present in the Internet Routing Table: 885
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3339
Number of LACNIC addresses announced to Internet: 98989888
Equivalent to 5 /8s, 230 /16s and 119 /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: 10421
Total AfriNIC prefixes after maximum aggregation: 2641
AfriNIC Deaggregation factor: 3.95
Prefixes being announced from the AfriNIC address blocks: 13555
Unique aggregates announced from the AfriNIC address blocks: 6602
AfriNIC Region origin ASes present in the Internet Routing Table: 286
AfriNIC Prefixes per ASN: 47.40
AfriNIC Region origin ASes announcing only one prefix: 125
AfriNIC Region transit ASes present in the Internet Routing Table: 76
Average AfriNIC Region AS path length visible: 6.6
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 156
Number of AfriNIC addresses announced to Internet: 40741120
Equivalent to 2 /8s, 109 /16s and 169 /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 10150 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1570 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1539 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1504 192 52 CMNET-HUNAN-AP China Mobile communication
24547 825 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
17561 753 48 468 LCS-AS-AP LARUS Limited, HK
2907 642 2202 464 SINET-AS Research Organization of Informa
17676 474 8911 146 GIGAINFRA SoftBank Corp., JP
24445 469 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
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 12700 38945 3725 AMAZON-02, US
22773 3373 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2522 2946 1217 DNIC-ASBLK-00306-00371, US
4155 2361 171 1436 USDA-1, US
7018 2274 22924 1621 ATT-INTERNET4, US
36352 2173 182 983 AS-COLOCROSSING, US
11776 1895 257 214 ATLANTICBB-JOHNSTOWN, US
6167 1750 3487 442 CELLCO-PART, US
209 1680 4890 285 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 1229 96 982 AKAMAI-ASN1, NL
3215 893 4818 289 France Telecom - Orange, FR
3257 792 2069 694 GTT-BACKBONE GTT, US
62240 746 51 335 CLOUVIDER Clouvider - Global ASN, GB
25019 647 1024 134 SAUDINETSTC-AS, SA
8452 623 1756 123 TE-AS TE-AS, EG
8376 594 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 543 39 477 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 5935 1665 832 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1764 262 1244 Telmex Colombia S.A., CO
3816 1330 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1110 371 22 Telefonica del Peru S.A.A., PE
26615 1012 2503 53 TIM SA, BR
18881 868 1127 31 TELEFONICA BRASIL S.A, BR
28006 641 77 293 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 633 90 53 ENTEL CHILE S.A., CL
13999 566 92 234 Mega Cable, S.A. de C.V., MX
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 1501 389 16 LINKdotNET-AS, EG
29571 1106 79 368 ORANGE-COTE-IVOIRE, CI
20011 978 180 282 INTERNET-SOLUTIONS, ZA
24835 795 379 137 RAYA-AS, EG
36992 637 1225 129 ETISALAT-MISR, EG
37069 614 1031 15 MOBINIL, EG
36935 576 519 46 Vodafone-, EG
36914 552 82 3 KENET-AS, KE
2018 379 319 71 TENET-1, ZA
36903 347 166 273 MT-MPLS, MA
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 12700 38945 3725 AMAZON-02, US
9808 10150 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 5935 1665 832 UNINET, MX
22773 3373 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2522 2946 1217 DNIC-ASBLK-00306-00371, US
4155 2361 171 1436 USDA-1, US
7018 2274 22924 1621 ATT-INTERNET4, US
36352 2173 182 983 AS-COLOCROSSING, US
11830 1992 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 10150 10063 CHINAMOBILE-CN China Mobile Communications Grou
8151 5935 5103 UNINET, MX
22773 3373 3193 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1895 1681 ATLANTICBB-JOHNSTOWN, US
24863 1501 1485 LINKdotNET-AS, EG
56041 1539 1461 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp
209 1680 1395 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
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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
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 /11:42 /12:149
/13:211 /14:565 /15:1086 /16:7531 /17:3407 /18:4132
/19:7455 /20:12261 /21:14863 /22:27389 /23:27186 /24:150412
/25:48 /26:77 /27:38 /28:17 /29:16 /30:10
/31:0 /32:4
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3183 5935 UNINET, MX
22773 2512 3373 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2256 12700 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 992 1764 Telmex Colombia S.A., CO
209 969 1680 CENTURYLINK-US-LEGACY-QWEST, US
19901 911 1130 BRSPD-PUBLIC, US
11776 897 1895 ATLANTICBB-JOHNSTOWN, US
36352 885 2173 AS-COLOCROSSING, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:62 2:474 3:565 4:5 5:778 6:152
7:5 8:640 11:171 12:983 13:293 14:115
15:297 16:234 17:5 18:885 20:117 21:4
22:188 23:2324 24:679 27:28 29:19 31:406
32:17 34:11 35:130 36:1234 37:584 38:2074
39:540 40:54 41:996 42:198 43:170 44:25
45:3818 46:973 47:87 49:27 50:356 51:374
52:1387 54:285 55:1097 56:9 57:19 58:32
59:30 60:16 61:74 62:522 63:757 64:1727
65:1061 66:1513 67:932 68:381 69:1165 70:435
71:202 72:667 74:914 75:430 76:237 77:457
78:320 79:279 80:277 81:342 82:505 83:205
84:312 85:518 86:221 87:258 88:244 89:754
90:95 91:967 92:655 93:434 94:857 95:532
96:240 97:55 98:449 99:159 100:36 101:30
102:321 103:939 104:1147 105:208 106:35 107:1417
108:505 109:380 110:28 111:1909 112:459 113:39
114:48 115:20 116:50 117:1041 118:166 119:122
120:1165 121:40 122:117 123:147 124:55 125:25
128:451 129:280 130:651 131:941 132:551 133:211
134:452 135:114 136:584 137:506 138:1011 139:387
140:698 141:419 142:909 143:703 144:408 145:70
146:633 147:491 148:717 149:665 150:362 151:663
152:546 153:124 154:1481 155:760 156:1458 157:363
158:492 159:652 160:873 161:625 162:920 163:342
164:729 165:758 166:648 167:657 168:1542 169:145
170:1665 171:117 172:1177 173:781 174:228 175:45
176:433 177:1146 178:549 179:817 180:69 181:1851
182:48 183:872 184:442 185:3325 186:2401 187:1134
188:735 189:1485 190:5052 191:488 192:4849 193:1759
194:1164 195:896 196:628 197:1536 198:2568 199:4656
200:3957 201:3317 202:974 203:688 204:2068 205:1965
206:1548 207:1434 208:1276 209:1847 210:316 211:426
212:919 213:728 214:1014 215:36 216:2334 217:449
218:523 219:22 220:29 221:301 222:30 223:730
End of report
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