[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 25 20:17:05 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Tue 25 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: 257945
Prefixes after maximum aggregation (per Origin AS): 111930
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 133767
Number of IPv4 prefixes with a valid ROA: 116273
Number of IPv4 prefixes with an invalid ROA: 22
Number of IPv4 prefixes with no ROA: 141650
Total ASes present in the Internet Routing Table: 20224
Prefixes per ASN: 12.75
Origin-only ASes present in the Internet Routing Table: 17388
Origin ASes announcing only one prefix: 7729
Transit ASes present in the Internet Routing Table: 2836
Transit-only ASes present in the Internet Routing Table: 733
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: 301
Number of instances of unregistered ASNs: 302
Number of 32-bit ASNs allocated by the RIRs: 46198
Number of 32-bit ASNs visible in the Routing Table: 7899
Prefixes from 32-bit ASNs in the Routing Table: 29435
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: 139
Number of addresses announced to Internet: 1557758461
Equivalent to 92 /8s, 217 /16s and 129 /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: 82220
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31741
Total APNIC prefixes after maximum aggregation: 7637
APNIC Deaggregation factor: 4.16
Prefixes being announced from the APNIC address blocks: 30960
Unique aggregates announced from the APNIC address blocks: 8440
APNIC Region origin ASes present in the Internet Routing Table: 1206
APNIC Prefixes per ASN: 25.67
APNIC Region origin ASes announcing only one prefix: 472
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: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 545
Number of APNIC addresses announced to Internet: 170357612
Equivalent to 10 /8s, 39 /16s and 115 /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: 118898
Total ARIN prefixes after maximum aggregation: 61282
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 116959
Unique aggregates announced from the ARIN address blocks: 62110
ARIN Region origin ASes present in the Internet Routing Table: 9195
ARIN Prefixes per ASN: 12.72
ARIN Region origin ASes announcing only one prefix: 3856
ARIN Region transit ASes present in the Internet Routing Table: 849
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: 2103
Number of ARIN addresses announced to Internet: 958679553
Equivalent to 57 /8s, 36 /16s and 74 /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: 46148
Total RIPE prefixes after maximum aggregation: 25225
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 47905
Unique aggregates announced from the RIPE address blocks: 35671
RIPE Region origin ASes present in the Internet Routing Table: 4496
RIPE Prefixes per ASN: 10.66
RIPE Region origin ASes announcing only one prefix: 1861
RIPE Region transit ASes present in the Internet Routing Table: 675
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: 1823
Number of RIPE addresses announced to Internet: 287092816
Equivalent to 17 /8s, 28 /16s and 176 /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: 50246
Total LACNIC prefixes after maximum aggregation: 15039
LACNIC Deaggregation factor: 3.34
Prefixes being announced from the LACNIC address blocks: 49061
Unique aggregates announced from the LACNIC address blocks: 23187
LACNIC Region origin ASes present in the Internet Routing Table: 4185
LACNIC Prefixes per ASN: 11.72
LACNIC Region origin ASes announcing only one prefix: 1419
LACNIC Region transit ASes present in the Internet Routing Table: 874
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: 3277
Number of LACNIC addresses announced to Internet: 99345728
Equivalent to 5 /8s, 235 /16s and 229 /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: 10611
Total AfriNIC prefixes after maximum aggregation: 2539
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 12921
Unique aggregates announced from the AfriNIC address blocks: 4242
AfriNIC Region origin ASes present in the Internet Routing Table: 283
AfriNIC Prefixes per ASN: 45.66
AfriNIC Region origin ASes announcing only one prefix: 121
AfriNIC Region transit ASes present in the Internet Routing Table: 75
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: 151
Number of AfriNIC addresses announced to Internet: 42220288
Equivalent to 2 /8s, 132 /16s and 59 /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 10142 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1575 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1540 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1503 192 53 CMNET-HUNAN-AP China Mobile communication
24547 835 177 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 493 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 473 759 139 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 12765 39185 3789 AMAZON-02, US
22773 3364 3017 174 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2521 2899 1237 DNIC-ASBLK-00306-00371, US
4155 2365 171 1448 USDA-1, US
7018 2250 22926 1597 ATT-INTERNET4, US
11776 1877 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1780 3507 459 CELLCO-PART, US
209 1676 4890 282 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 1275 99 1012 AKAMAI-ASN1, NL
3215 894 4818 290 France Telecom - Orange, FR
3257 791 2069 693 GTT-BACKBONE GTT, US
34984 745 77 435 TELLCOM-AS, TR
8452 665 1842 17 TE-AS TE-AS, EG
25019 661 1015 139 SAUDINETSTC-AS, SA
8376 583 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 534 39 468 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 6576 1764 918 UNINET, MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
10620 1753 261 1242 Telmex Colombia S.A., CO
3816 1329 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1155 371 22 Telefonica del Peru S.A.A., PE
26615 1013 2503 53 TIM SA, BR
11664 986 278 33 Techtel LMDS Comunicaciones Interactivas
18881 873 1127 31 TELEFONICA BRASIL S.A, BR
28006 642 77 293 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 633 90 53 ENTEL CHILE S.A., CL
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 1125 80 382 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 834 509 46 RAYA-AS, EG
36935 705 522 48 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 374 319 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 12765 39185 3789 AMAZON-02, US
9808 10142 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6576 1764 918 UNINET, MX
22773 3364 3017 174 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2521 2899 1237 DNIC-ASBLK-00306-00371, US
4155 2365 171 1448 USDA-1, US
7018 2250 22926 1597 ATT-INTERNET4, US
11830 1991 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 10142 10055 CHINAMOBILE-CN China Mobile Communications Grou
8151 6576 5658 UNINET, MX
22773 3364 3190 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1991 1927 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1877 1660 ATLANTICBB-JOHNSTOWN, US
56041 1540 1462 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1473 1457 LINKdotNET-AS, EG
56047 1503 1450 CMNET-HUNAN-AP China Mobile communications corp
56046 1575 1396 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
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 /15:1104 /16:7605 /17:3354 /18:4157
/19:7529 /20:12307 /21:15076 /22:27585 /23:27019 /24:150953
/25:51 /26:75 /27:36 /28:17 /29:16 /30:10
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3509 6576 UNINET, MX
22773 2506 3364 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2276 12765 AMAZON-02, US
11830 1692 1991 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 982 1753 Telmex Colombia S.A., CO
209 967 1676 CENTURYLINK-US-LEGACY-QWEST, US
19901 920 1148 BRSPD-PUBLIC, US
11776 881 1877 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)
----------------------------------------------
1:39 2:488 3:567 4:5 5:794 6:152
7:5 8:636 11:171 12:981 13:292 14:117
15:298 16:237 17:5 18:884 20:126 21:4
22:188 23:2228 24:682 27:25 29:19 31:378
32:17 34:10 35:129 36:1241 37:601 38:2058
39:540 40:54 41:993 42:212 43:188 44:25
45:3854 46:908 47:86 49:29 50:584 51:372
52:1386 54:279 55:1067 56:9 57:18 58:31
59:28 60:16 61:78 62:529 63:764 64:1741
65:1063 66:1500 67:947 68:413 69:1181 70:445
71:200 72:687 74:928 75:420 76:235 77:465
78:335 79:271 80:264 81:331 82:549 83:220
84:337 85:577 86:226 87:250 88:247 89:750
90:96 91:944 92:633 93:371 94:762 95:616
96:246 97:65 98:446 99:163 100:36 101:32
102:321 103:1190 104:1082 105:215 106:35 107:1127
108:515 109:389 110:31 111:1910 112:460 113:51
114:48 115:29 116:51 117:1040 118:171 119:123
120:1168 121:42 122:111 123:146 124:57 125:28
128:452 129:277 130:652 131:908 132:580 133:212
134:471 135:117 136:574 137:510 138:1001 139:404
140:701 141:428 142:916 143:714 144:409 145:73
146:650 147:468 148:771 149:680 150:367 151:670
152:525 153:124 154:1001 155:793 156:1113 157:370
158:487 159:658 160:881 161:646 162:937 163:338
164:728 165:773 166:604 167:637 168:1530 169:141
170:1672 171:122 172:1124 173:793 174:232 175:65
176:635 177:1116 178:508 179:818 180:70 181:1893
182:38 183:874 184:489 185:3360 186:2679 187:1404
188:720 189:1550 190:5132 191:463 192:4808 193:1744
194:1166 195:908 196:642 197:1515 198:2551 199:4685
200:3909 201:3382 202:978 203:675 204:2097 205:1993
206:1535 207:1433 208:1308 209:1875 210:317 211:425
212:937 213:778 214:1013 215:36 216:2355 217:432
218:524 219:22 220:30 221:301 222:30 223:742
End of report
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