[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Apr 20 20:17:03 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sun 20 Apr, 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: 265592
Prefixes after maximum aggregation (per Origin AS): 116682
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 138932
Number of IPv4 prefixes with a valid ROA: 118713
Number of IPv4 prefixes with an invalid ROA: 16
Number of IPv4 prefixes with no ROA: 146843
Total ASes present in the Internet Routing Table: 20103
Prefixes per ASN: 13.21
Origin-only ASes present in the Internet Routing Table: 17376
Origin ASes announcing only one prefix: 7835
Transit ASes present in the Internet Routing Table: 2727
Transit-only ASes present in the Internet Routing Table: 716
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: 346
Number of instances of unregistered ASNs: 347
Number of 32-bit ASNs allocated by the RIRs: 46256
Number of 32-bit ASNs visible in the Routing Table: 7568
Prefixes from 32-bit ASNs in the Routing Table: 28537
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: 150
Number of addresses announced to Internet: 1561560509
Equivalent to 93 /8s, 19 /16s and 133 /24s
Percentage of available address space announced: 42.2
Percentage of allocated address space announced: 42.2
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: 84157
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32068
Total APNIC prefixes after maximum aggregation: 7539
APNIC Deaggregation factor: 4.25
Prefixes being announced from the APNIC address blocks: 30772
Unique aggregates announced from the APNIC address blocks: 8054
APNIC Region origin ASes present in the Internet Routing Table: 1223
APNIC Prefixes per ASN: 25.16
APNIC Region origin ASes announcing only one prefix: 489
APNIC Region transit ASes present in the Internet Routing Table: 208
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 565
Number of APNIC addresses announced to Internet: 169141100
Equivalent to 10 /8s, 20 /16s and 227 /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: 128364
Total ARIN prefixes after maximum aggregation: 66340
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 125640
Unique aggregates announced from the ARIN address blocks: 68022
ARIN Region origin ASes present in the Internet Routing Table: 9575
ARIN Prefixes per ASN: 13.12
ARIN Region origin ASes announcing only one prefix: 3950
ARIN Region transit ASes present in the Internet Routing Table: 890
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: 2234
Number of ARIN addresses announced to Internet: 972086465
Equivalent to 57 /8s, 240 /16s and 220 /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: 49651
Total RIPE prefixes after maximum aggregation: 26810
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 51156
Unique aggregates announced from the RIPE address blocks: 37562
RIPE Region origin ASes present in the Internet Routing Table: 4623
RIPE Prefixes per ASN: 11.07
RIPE Region origin ASes announcing only one prefix: 1939
RIPE Region transit ASes present in the Internet Routing Table: 692
Average RIPE Region AS path length visible: 5.6
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1890
Number of RIPE addresses announced to Internet: 280787280
Equivalent to 16 /8s, 188 /16s and 121 /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: 44849
Total LACNIC prefixes after maximum aggregation: 13530
LACNIC Deaggregation factor: 3.31
Prefixes being announced from the LACNIC address blocks: 43964
Unique aggregates announced from the LACNIC address blocks: 20549
LACNIC Region origin ASes present in the Internet Routing Table: 3560
LACNIC Prefixes per ASN: 12.35
LACNIC Region origin ASes announcing only one prefix: 1344
LACNIC Region transit ASes present in the Internet Routing Table: 722
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 34
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2732
Number of LACNIC addresses announced to Internet: 96777024
Equivalent to 5 /8s, 196 /16s and 179 /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: 10314
Total AfriNIC prefixes after maximum aggregation: 2238
AfriNIC Deaggregation factor: 4.61
Prefixes being announced from the AfriNIC address blocks: 13910
Unique aggregates announced from the AfriNIC address blocks: 4613
AfriNIC Region origin ASes present in the Internet Routing Table: 273
AfriNIC Prefixes per ASN: 50.95
AfriNIC Region origin ASes announcing only one prefix: 113
AfriNIC Region transit ASes present in the Internet Routing Table: 79
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: 42713088
Equivalent to 2 /8s, 139 /16s and 192 /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 10162 8753 88 CHINAMOBILE-CN China Mobile Communication
56046 1590 811 186 CMNET-JIANGSU-AP China Mobile communicati
56041 1569 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1483 192 53 CMNET-HUNAN-AP China Mobile communication
24547 850 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 771 500 72 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 639 2170 465 SINET-AS Research Organization of Informa
45102 566 879 138 ALIBABA-CN-NET Alibaba US Technology Co.,
24445 522 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
17561 469 30 195 LCS-AS-AP LARUS Limited, HK
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 13217 39707 4108 AMAZON-02, US
22773 3395 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54879 2505 DNIC-AS-00749, US
4155 2641 201 1612 USDA-1, US
36352 2449 202 1100 AS-COLOCROSSING, US
367 2432 2890 1176 DNIC-ASBLK-00306-00371, US
7018 2142 22902 1563 ATT-INTERNET4, US
11776 1892 258 216 ATLANTICBB-JOHNSTOWN, US
6167 1831 3625 459 CELLCO-PART, US
209 1665 4890 275 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 1297 100 1044 AKAMAI-ASN1, NL
34984 931 93 523 TELLCOM-AS, TR
3257 930 2075 747 GTT-BACKBONE GTT, US
3215 893 4810 292 France Telecom - Orange, FR
25019 850 1299 129 SAUDINETSTC-AS, SA
8452 656 1842 17 TE-AS TE-AS, EG
8376 580 53 23 Jordan Data Communications, JO
51167 568 113 251 CONTABO, DE
212238 561 40 494 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 7386 2025 1010 UNINET, MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
10620 1929 286 1300 Telmex Colombia S.A., CO
3816 1333 784 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1191 371 22 Telefonica del Peru S.A.A., PE
26615 987 2503 52 TIM SA, BR
18881 883 1127 31 TELEFONICA BRASIL S.A, BR
27651 648 94 35 ENTEL CHILE S.A., CL
28006 642 77 294 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 548 2884 69 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 1488 389 16 LINKdotNET-AS, EG
20011 981 185 285 INTERNET-SOLUTIONS, ZA
29571 969 100 75 ORANGE-COTE-IVOIRE, CI
24835 879 528 38 RAYA-AS, EG
36935 700 519 48 Vodafone-, EG
36992 604 1228 124 ETISALAT-MISR, EG
36914 535 82 3 KENET-AS, KE
37069 533 1046 15 MOBINIL, EG
36903 424 199 308 MT-MPLS, MA
2018 372 318 69 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 13217 39707 4108 AMAZON-02, US
9808 10162 8753 88 CHINAMOBILE-CN China Mobile Communication
8151 7386 2025 1010 UNINET, MX
22773 3395 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54879 2505 DNIC-AS-00749, US
4155 2641 201 1612 USDA-1, US
36352 2449 202 1100 AS-COLOCROSSING, US
367 2432 2890 1176 DNIC-ASBLK-00306-00371, US
7018 2142 22902 1563 ATT-INTERNET4, US
11830 1993 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 10162 10074 CHINAMOBILE-CN China Mobile Communications Grou
8151 7386 6376 UNINET, MX
22773 3395 3216 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1993 1929 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1892 1676 ATLANTICBB-JOHNSTOWN, US
56041 1569 1491 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1488 1472 LINKdotNET-AS, EG
56047 1483 1430 CMNET-HUNAN-AP China Mobile communications corp
56046 1590 1404 CMNET-JIANGSU-AP China Mobile communications co
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 RESERVED, ZZ
23.158.216.0/24 Transit: 22427 GNET-AS, US
23.166.120.0/24 Origin: 59993 UILLLC-20230328, US
23.166.120.0/24 Transit: 30456 COSMIC-GLOBAL, 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 /12:150
/13:216 /14:577 /15:1097 /16:7600 /17:3471 /18:4262
/19:7815 /20:12709 /21:15567 /22:28033 /23:27824 /24:155962
/25:60 /26:76 /27:35 /28:13 /29:16 /30:10
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3896 7386 UNINET, MX
22773 2535 3395 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2350 13217 AMAZON-02, US
11830 1694 1993 Instituto Costarricense de Electricidad y Telecom., CR
10620 1088 1929 Telmex Colombia S.A., CO
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 994 2449 AS-COLOCROSSING, US
209 964 1665 CENTURYLINK-US-LEGACY-QWEST, US
19901 944 1204 BRSPD-PUBLIC, US
11776 881 1892 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:67 2:455 3:614 4:5 5:834 6:156
7:5 8:647 11:171 12:999 13:298 14:139
15:301 16:244 17:5 18:890 20:172 21:4
22:188 23:2680 24:668 27:21 29:19 31:474
32:10 34:10 35:133 36:1228 37:996 38:1917
39:549 40:62 41:900 42:221 43:192 44:51
45:3698 46:956 47:98 49:18 50:364 51:383
52:1389 54:275 55:1007 56:11 57:20 58:45
59:43 60:16 61:73 62:553 63:782 64:2048
65:1098 66:1636 67:992 68:440 69:1204 70:426
71:210 72:787 74:1011 75:431 76:260 77:472
78:331 79:280 80:302 81:362 82:767 83:250
84:366 85:485 86:238 87:244 88:282 89:823
90:105 91:988 92:612 93:453 94:961 95:682
96:302 97:65 98:482 99:158 100:37 101:19
102:365 103:1268 104:1494 105:138 106:33 107:1503
108:541 109:390 110:65 111:1915 112:451 113:36
114:60 115:14 116:57 117:1034 118:155 119:132
120:1166 121:44 122:128 123:150 124:58 125:24
128:479 129:305 130:685 131:900 132:567 133:213
134:509 135:118 136:599 137:521 138:871 139:447
140:718 141:442 142:1044 143:663 144:430 145:113
146:691 147:532 148:866 149:794 150:374 151:627
152:516 153:131 154:1627 155:800 156:1291 157:370
158:541 159:691 160:843 161:717 162:1037 163:373
164:719 165:804 166:801 167:651 168:1143 169:166
170:1566 171:125 172:1424 173:899 174:265 175:53
176:873 177:878 178:516 179:708 180:48 181:1749
182:27 183:860 184:497 185:3416 186:2021 187:1364
188:785 189:1699 190:4286 191:421 192:5263 193:1852
194:1225 195:947 196:778 197:1550 198:2767 199:4936
200:3580 201:3263 202:999 203:733 204:2210 205:1947
206:1572 207:1527 208:1461 209:1978 210:308 211:430
212:965 213:874 214:982 215:42 216:2608 217:428
218:518 219:19 220:27 221:304 222:32 223:742
End of report
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