[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Feb 19 20:16:58 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Wed 19 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: 256179
Prefixes after maximum aggregation (per Origin AS): 111593
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 133329
Number of IPv4 prefixes with a valid ROA: 115308
Number of IPv4 prefixes with an invalid ROA: 24
Number of IPv4 prefixes with no ROA: 140847
Total ASes present in the Internet Routing Table: 20115
Prefixes per ASN: 12.74
Origin-only ASes present in the Internet Routing Table: 17272
Origin ASes announcing only one prefix: 7687
Transit ASes present in the Internet Routing Table: 2843
Transit-only ASes present in the Internet Routing Table: 728
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: 290
Number of instances of unregistered ASNs: 291
Number of 32-bit ASNs allocated by the RIRs: 46145
Number of 32-bit ASNs visible in the Routing Table: 7875
Prefixes from 32-bit ASNs in the Routing Table: 30004
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: 139
Number of addresses announced to Internet: 1555973181
Equivalent to 92 /8s, 190 /16s and 68 /24s
Percentage of available address space announced: 42.0
Percentage of allocated address space announced: 42.0
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: 81239
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31455
Total APNIC prefixes after maximum aggregation: 7493
APNIC Deaggregation factor: 4.20
Prefixes being announced from the APNIC address blocks: 30792
Unique aggregates announced from the APNIC address blocks: 8367
APNIC Region origin ASes present in the Internet Routing Table: 1159
APNIC Prefixes per ASN: 26.57
APNIC Region origin ASes announcing only one prefix: 450
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: 505
Number of APNIC addresses announced to Internet: 169044844
Equivalent to 10 /8s, 19 /16s and 107 /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: 117567
Total ARIN prefixes after maximum aggregation: 60603
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 116264
Unique aggregates announced from the ARIN address blocks: 61600
ARIN Region origin ASes present in the Internet Routing Table: 9026
ARIN Prefixes per ASN: 12.88
ARIN Region origin ASes announcing only one prefix: 3784
ARIN Region transit ASes present in the Internet Routing Table: 850
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: 2046
Number of ARIN addresses announced to Internet: 957774145
Equivalent to 57 /8s, 22 /16s and 121 /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: 46472
Total RIPE prefixes after maximum aggregation: 25411
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 48177
Unique aggregates announced from the RIPE address blocks: 35698
RIPE Region origin ASes present in the Internet Routing Table: 4505
RIPE Prefixes per ASN: 10.69
RIPE Region origin ASes announcing only one prefix: 1867
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: 1812
Number of RIPE addresses announced to Internet: 287990864
Equivalent to 17 /8s, 42 /16s and 100 /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: 49724
Total LACNIC prefixes after maximum aggregation: 15332
LACNIC Deaggregation factor: 3.24
Prefixes being announced from the LACNIC address blocks: 48459
Unique aggregates announced from the LACNIC address blocks: 23534
LACNIC Region origin ASes present in the Internet Routing Table: 4288
LACNIC Prefixes per ASN: 11.30
LACNIC Region origin ASes announcing only one prefix: 1465
LACNIC Region transit ASes present in the Internet Routing Table: 879
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: 3359
Number of LACNIC addresses announced to Internet: 99355200
Equivalent to 5 /8s, 236 /16s and 10 /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: 10671
Total AfriNIC prefixes after maximum aggregation: 2550
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 12348
Unique aggregates announced from the AfriNIC address blocks: 4013
AfriNIC Region origin ASes present in the Internet Routing Table: 286
AfriNIC Prefixes per ASN: 43.17
AfriNIC Region origin ASes announcing only one prefix: 121
AfriNIC Region transit ASes present in the Internet Routing Table: 78
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: 153
Number of AfriNIC addresses announced to Internet: 41745664
Equivalent to 2 /8s, 124 /16s and 253 /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 10148 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1573 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1539 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1504 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
45102 470 743 138 ALIBABA-CN-NET Alibaba US Technology Co.,
17676 469 8895 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 12769 39188 3772 AMAZON-02, US
22773 3371 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2516 2914 1231 DNIC-ASBLK-00306-00371, US
4155 2370 172 1436 USDA-1, US
7018 2263 22926 1609 ATT-INTERNET4, US
11776 1877 257 214 ATLANTICBB-JOHNSTOWN, US
6167 1775 3506 455 CELLCO-PART, US
209 1677 4890 283 CENTURYLINK-US-LEGACY-QWEST, US
36352 1556 118 913 AS-COLOCROSSING, 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 1283 100 1016 AKAMAI-ASN1, NL
3215 925 4894 282 France Telecom - Orange, FR
3257 792 2069 694 GTT-BACKBONE GTT, US
34984 737 75 430 TELLCOM-AS, TR
25019 661 1015 139 SAUDINETSTC-AS, SA
8452 635 1756 124 TE-AS TE-AS, EG
8376 586 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 562 41 494 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 6038 1692 891 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1765 262 1244 Telmex Colombia S.A., CO
3816 1329 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1155 371 23 Telefonica del Peru S.A.A., PE
26615 1010 2503 53 TIM SA, BR
18881 872 1127 31 TELEFONICA BRASIL S.A, BR
28006 642 77 293 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 633 90 53 ENTEL CHILE S.A., CL
26599 562 2888 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 1484 389 16 LINKdotNET-AS, EG
29571 1118 79 376 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 849 509 46 RAYA-AS, EG
36935 685 520 41 Vodafone-, EG
36992 640 1227 132 ETISALAT-MISR, EG
37069 626 1031 15 MOBINIL, EG
36914 558 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 12769 39188 3772 AMAZON-02, US
9808 10148 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6038 1692 891 UNINET, MX
22773 3371 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2516 2914 1231 DNIC-ASBLK-00306-00371, US
4155 2370 172 1436 USDA-1, US
7018 2263 22926 1609 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 10148 10061 CHINAMOBILE-CN China Mobile Communications Grou
8151 6038 5147 UNINET, MX
22773 3371 3191 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1877 1663 ATLANTICBB-JOHNSTOWN, US
24863 1484 1468 LINKdotNET-AS, EG
56041 1539 1461 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1451 CMNET-HUNAN-AP China Mobile communications corp
209 1677 1394 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 /11:43 /12:150
/13:221 /14:576 /15:1104 /16:7573 /17:3376 /18:4169
/19:7518 /20:12329 /21:14953 /22:27619 /23:27103 /24:149182
/25:50 /26:75 /27:38 /28:17 /29:16 /30:10
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3233 6038 UNINET, MX
22773 2509 3371 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2275 12769 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 993 1765 Telmex Colombia S.A., CO
209 967 1677 CENTURYLINK-US-LEGACY-QWEST, US
19901 912 1137 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)
----------------------------------------------
1:62 2:490 3:566 4:5 5:765 6:152
7:5 8:636 11:171 12:983 13:291 14:114
15:298 16:237 17:5 18:884 20:126 21:4
22:188 23:2252 24:676 27:29 29:19 31:385
32:17 34:12 35:130 36:1234 37:579 38:2069
39:540 40:54 41:993 42:209 43:203 44:25
45:3838 46:903 47:86 49:30 50:349 51:374
52:1384 54:279 55:1087 56:9 57:19 58:31
59:31 60:16 61:75 62:524 63:758 64:1726
65:1066 66:1503 67:937 68:398 69:1155 70:434
71:200 72:682 74:912 75:422 76:235 77:453
78:316 79:274 80:283 81:331 82:516 83:218
84:331 85:556 86:224 87:253 88:250 89:751
90:96 91:949 92:642 93:370 94:777 95:602
96:245 97:66 98:447 99:162 100:36 101:32
102:324 103:1145 104:1098 105:208 106:35 107:1160
108:499 109:378 110:31 111:1899 112:461 113:39
114:49 115:23 116:50 117:1040 118:173 119:122
120:1167 121:41 122:117 123:145 124:57 125:25
128:451 129:280 130:646 131:899 132:579 133:212
134:441 135:115 136:578 137:514 138:1003 139:391
140:698 141:429 142:911 143:711 144:406 145:73
146:641 147:485 148:770 149:681 150:367 151:665
152:546 153:124 154:702 155:767 156:816 157:370
158:475 159:662 160:884 161:617 162:937 163:338
164:728 165:773 166:608 167:633 168:1517 169:142
170:1655 171:123 172:1127 173:786 174:233 175:55
176:685 177:1127 178:540 179:813 180:70 181:1830
182:39 183:875 184:479 185:3305 186:2408 187:1343
188:736 189:1524 190:5044 191:492 192:4790 193:1746
194:1186 195:946 196:646 197:1528 198:2530 199:4674
200:3956 201:3333 202:968 203:687 204:2074 205:1959
206:1537 207:1433 208:1283 209:1800 210:320 211:427
212:968 213:724 214:1012 215:36 216:2339 217:431
218:524 219:22 220:30 221:300 222:30 223:732
End of report
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