[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Mar 12 20:17:00 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Wed 12 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: 262379
Prefixes after maximum aggregation (per Origin AS): 114118
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 136490
Number of IPv4 prefixes with a valid ROA: 118597
Number of IPv4 prefixes with an invalid ROA: 24
Number of IPv4 prefixes with no ROA: 143758
Total ASes present in the Internet Routing Table: 20349
Prefixes per ASN: 12.89
Origin-only ASes present in the Internet Routing Table: 17511
Origin ASes announcing only one prefix: 7769
Transit ASes present in the Internet Routing Table: 2838
Transit-only ASes present in the Internet Routing Table: 715
Paths with bogon ASNs present in the IPv4 Routing Table: 9
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: 276
Number of instances of unregistered ASNs: 277
Number of 32-bit ASNs allocated by the RIRs: 46160
Number of 32-bit ASNs visible in the Routing Table: 7959
Prefixes from 32-bit ASNs in the Routing Table: 30540
Number of bogon 32-bit ASNs visible in the Routing Table: 10
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 107
Number of addresses announced to Internet: 1565163517
Equivalent to 93 /8s, 74 /16s and 127 /24s
Percentage of available address space announced: 42.3
Percentage of allocated address space announced: 42.3
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: 83705
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32310
Total APNIC prefixes after maximum aggregation: 7867
APNIC Deaggregation factor: 4.11
Prefixes being announced from the APNIC address blocks: 31207
Unique aggregates announced from the APNIC address blocks: 8640
APNIC Region origin ASes present in the Internet Routing Table: 1201
APNIC Prefixes per ASN: 25.98
APNIC Region origin ASes announcing only one prefix: 470
APNIC Region transit ASes present in the Internet Routing Table: 216
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: 545
Number of APNIC addresses announced to Internet: 171794284
Equivalent to 10 /8s, 61 /16s and 95 /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: 121005
Total ARIN prefixes after maximum aggregation: 62232
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 118806
Unique aggregates announced from the ARIN address blocks: 63226
ARIN Region origin ASes present in the Internet Routing Table: 9208
ARIN Prefixes per ASN: 12.90
ARIN Region origin ASes announcing only one prefix: 3845
ARIN Region transit ASes present in the Internet Routing Table: 861
Average ARIN Region AS path length visible: 5.4
Max ARIN Region AS path length visible: 26
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2105
Number of ARIN addresses announced to Internet: 961784321
Equivalent to 57 /8s, 83 /16s and 170 /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: 47531
Total RIPE prefixes after maximum aggregation: 25812
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 49457
Unique aggregates announced from the RIPE address blocks: 36101
RIPE Region origin ASes present in the Internet Routing Table: 4563
RIPE Prefixes per ASN: 10.84
RIPE Region origin ASes announcing only one prefix: 1884
RIPE Region transit ASes present in the Internet Routing Table: 683
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1829
Number of RIPE addresses announced to Internet: 288738640
Equivalent to 17 /8s, 53 /16s and 205 /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: 50741
Total LACNIC prefixes after maximum aggregation: 15471
LACNIC Deaggregation factor: 3.28
Prefixes being announced from the LACNIC address blocks: 49415
Unique aggregates announced from the LACNIC address blocks: 23752
LACNIC Region origin ASes present in the Internet Routing Table: 4266
LACNIC Prefixes per ASN: 11.58
LACNIC Region origin ASes announcing only one prefix: 1455
LACNIC Region transit ASes present in the Internet Routing Table: 865
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: 3333
Number of LACNIC addresses announced to Internet: 100310080
Equivalent to 5 /8s, 250 /16s and 156 /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: 10516
Total AfriNIC prefixes after maximum aggregation: 2530
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 13387
Unique aggregates announced from the AfriNIC address blocks: 4665
AfriNIC Region origin ASes present in the Internet Routing Table: 274
AfriNIC Prefixes per ASN: 48.86
AfriNIC Region origin ASes announcing only one prefix: 115
AfriNIC Region transit ASes present in the Internet Routing Table: 72
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: 42488320
Equivalent to 2 /8s, 136 /16s and 82 /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 10140 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 1510 192 53 CMNET-HUNAN-AP China Mobile communication
24547 847 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 640 2170 465 SINET-AS Research Organization of Informa
24445 503 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 477 779 141 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 12914 39641 3945 AMAZON-02, US
22773 3374 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2486 184 1506 USDA-1, US
367 2449 2912 1184 DNIC-ASBLK-00306-00371, US
7018 2123 22900 1548 ATT-INTERNET4, US
11776 1876 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1795 3544 467 CELLCO-PART, US
209 1670 4890 278 CENTURYLINK-US-LEGACY-QWEST, US
20057 1423 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 1253 98 1009 AKAMAI-ASN1, NL
3215 926 4894 282 France Telecom - Orange, FR
34984 885 86 482 TELLCOM-AS, TR
3257 780 2067 684 GTT-BACKBONE GTT, US
25019 699 1290 134 SAUDINETSTC-AS, SA
203214 646 49 354 HULUMTELE, IQ
8376 576 54 23 Jordan Data Communications, JO
51167 568 113 251 CONTABO, DE
8452 566 1842 17 TE-AS TE-AS, EG
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 6761 1922 978 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1722 256 1224 Telmex Colombia S.A., CO
3816 1329 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1195 371 22 Telefonica del Peru S.A.A., PE
26615 1013 2503 53 TIM SA, BR
18881 868 1127 31 TELEFONICA BRASIL S.A, BR
28006 644 77 295 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 632 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 1469 389 16 LINKdotNET-AS, EG
29571 1148 82 391 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 845 509 46 RAYA-AS, EG
36935 714 522 48 Vodafone-, EG
36992 639 1229 126 ETISALAT-MISR, EG
37069 591 1031 15 MOBINIL, EG
36914 541 82 3 KENET-AS, KE
36903 396 185 290 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 12914 39641 3945 AMAZON-02, US
9808 10140 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6761 1922 978 UNINET, MX
22773 3374 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2486 184 1506 USDA-1, US
367 2449 2912 1184 DNIC-ASBLK-00306-00371, US
7018 2123 22900 1548 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 10140 10053 CHINAMOBILE-CN China Mobile Communications Grou
8151 6761 5783 UNINET, MX
22773 3374 3199 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1876 1659 ATLANTICBB-JOHNSTOWN, US
56041 1542 1464 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1510 1457 CMNET-HUNAN-AP China Mobile communications corp
24863 1469 1453 LINKdotNET-AS, EG
209 1670 1392 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
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 PIGGYTARO-DATA, CA
23.158.216.0/24 Transit: 22427 GNET-AS, US
41.77.208.0/22 Origin: 37475 RESERVED, ZZ
41.77.208.0/22 Transit: 15964 CAMNET-AS, CM
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 /14:577 /15:1105 /16:7634 /17:3364 /18:4225
/19:7693 /20:12523 /21:15338 /22:27928 /23:27505 /24:153810
/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 3546 6761 UNINET, MX
22773 2516 3374 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2337 12914 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 967 1722 Telmex Colombia S.A., CO
209 966 1670 CENTURYLINK-US-LEGACY-QWEST, US
19901 923 1158 BRSPD-PUBLIC, US
11776 881 1876 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 3:584 4:5 5:914 6:149
7:5 8:630 11:171 12:995 13:291 14:145
15:299 16:241 17:5 18:889 20:173 21:4
22:188 23:2248 24:955 27:25 29:19 31:390
32:17 34:10 35:131 36:1234 37:1032 38:2185
39:541 40:54 41:957 42:211 43:194 44:25
45:3918 46:911 47:85 49:51 50:336 51:381
52:1383 54:277 55:1070 56:9 57:18 58:31
59:25 60:16 61:77 62:517 63:764 64:1804
65:1077 66:1568 67:957 68:428 69:1125 70:443
71:200 72:777 74:961 75:420 76:245 77:449
78:337 79:266 80:272 81:326 82:567 83:232
84:344 85:558 86:227 87:244 88:259 89:782
90:101 91:973 92:634 93:377 94:780 95:636
96:248 97:65 98:459 99:161 100:36 101:26
102:332 103:1218 104:1134 105:124 106:63 107:1111
108:500 109:371 110:59 111:1927 112:464 113:38
114:66 115:22 116:49 117:1052 118:162 119:123
120:1171 121:42 122:112 123:144 124:57 125:23
128:480 129:283 130:656 131:923 132:562 133:213
134:522 135:115 136:519 137:510 138:1038 139:416
140:705 141:418 142:909 143:702 144:411 145:72
146:657 147:499 148:833 149:704 150:370 151:666
152:526 153:124 154:1401 155:780 156:1342 157:390
158:454 159:674 160:871 161:695 162:946 163:339
164:736 165:759 166:625 167:642 168:1540 169:143
170:1658 171:119 172:1148 173:785 174:232 175:64
176:730 177:1121 178:548 179:792 180:70 181:1868
182:52 183:881 184:492 185:3445 186:2468 187:1397
188:739 189:1689 190:5147 191:439 192:4834 193:1757
194:1200 195:907 196:633 197:1523 198:2565 199:4793
200:4044 201:3319 202:990 203:704 204:2102 205:1982
206:1553 207:1487 208:1335 209:1915 210:315 211:425
212:937 213:778 214:1017 215:36 216:2466 217:429
218:522 219:22 220:30 221:301 222:31 223:741
End of report
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