[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Mar 4 20:17:08 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Tue 04 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: 258815
Prefixes after maximum aggregation (per Origin AS): 112191
Deaggregation factor: 2.31
Unique aggregates announced (without unneeded subnets): 133757
Number of IPv4 prefixes with a valid ROA: 116455
Number of IPv4 prefixes with an invalid ROA: 23
Number of IPv4 prefixes with no ROA: 142337
Total ASes present in the Internet Routing Table: 20115
Prefixes per ASN: 12.87
Origin-only ASes present in the Internet Routing Table: 17293
Origin ASes announcing only one prefix: 7665
Transit ASes present in the Internet Routing Table: 2822
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: 271
Number of instances of unregistered ASNs: 272
Number of 32-bit ASNs allocated by the RIRs: 46219
Number of 32-bit ASNs visible in the Routing Table: 7846
Prefixes from 32-bit ASNs in the Routing Table: 29170
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: 114
Number of addresses announced to Internet: 1554622973
Equivalent to 92 /8s, 169 /16s and 169 /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: 81732
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32289
Total APNIC prefixes after maximum aggregation: 7815
APNIC Deaggregation factor: 4.13
Prefixes being announced from the APNIC address blocks: 31192
Unique aggregates announced from the APNIC address blocks: 8582
APNIC Region origin ASes present in the Internet Routing Table: 1204
APNIC Prefixes per ASN: 25.91
APNIC Region origin ASes announcing only one prefix: 469
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: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 548
Number of APNIC addresses announced to Internet: 170599532
Equivalent to 10 /8s, 43 /16s and 36 /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: 119887
Total ARIN prefixes after maximum aggregation: 61334
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 117712
Unique aggregates announced from the ARIN address blocks: 62196
ARIN Region origin ASes present in the Internet Routing Table: 9170
ARIN Prefixes per ASN: 12.84
ARIN Region origin ASes announcing only one prefix: 3818
ARIN Region transit ASes present in the Internet Routing Table: 853
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: 2096
Number of ARIN addresses announced to Internet: 959068929
Equivalent to 57 /8s, 42 /16s and 59 /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: 45900
Total RIPE prefixes after maximum aggregation: 24946
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 47497
Unique aggregates announced from the RIPE address blocks: 34475
RIPE Region origin ASes present in the Internet Routing Table: 4400
RIPE Prefixes per ASN: 10.79
RIPE Region origin ASes announcing only one prefix: 1818
RIPE Region transit ASes present in the Internet Routing Table: 667
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1762
Number of RIPE addresses announced to Internet: 282860112
Equivalent to 16 /8s, 220 /16s and 26 /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: 49940
Total LACNIC prefixes after maximum aggregation: 15340
LACNIC Deaggregation factor: 3.26
Prefixes being announced from the LACNIC address blocks: 48742
Unique aggregates announced from the LACNIC address blocks: 23505
LACNIC Region origin ASes present in the Internet Routing Table: 4217
LACNIC Prefixes per ASN: 11.56
LACNIC Region origin ASes announcing only one prefix: 1444
LACNIC Region transit ASes present in the Internet Routing Table: 864
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: 3291
Number of LACNIC addresses announced to Internet: 99833152
Equivalent to 5 /8s, 243 /16s and 85 /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: 10528
Total AfriNIC prefixes after maximum aggregation: 2557
AfriNIC Deaggregation factor: 4.12
Prefixes being announced from the AfriNIC address blocks: 13558
Unique aggregates announced from the AfriNIC address blocks: 4886
AfriNIC Region origin ASes present in the Internet Routing Table: 273
AfriNIC Prefixes per ASN: 49.66
AfriNIC Region origin ASes announcing only one prefix: 116
AfriNIC Region transit ASes present in the Internet Routing Table: 71
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: 149
Number of AfriNIC addresses announced to Internet: 42211584
Equivalent to 2 /8s, 132 /16s and 25 /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 10139 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 1503 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 639 2170 465 SINET-AS Research Organization of Informa
24445 503 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
17561 484 31 190 LCS-AS-AP LARUS Limited, HK
45102 477 779 141 ALIBABA-CN-NET Alibaba US Technology Co.,
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 12790 39183 3788 AMAZON-02, US
22773 3366 3017 176 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
367 2487 2913 1209 DNIC-ASBLK-00306-00371, US
4155 2434 180 1470 USDA-1, US
7018 2260 22912 1609 ATT-INTERNET4, US
11776 1877 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1788 3543 464 CELLCO-PART, US
209 1673 4890 280 CENTURYLINK-US-LEGACY-QWEST, US
20057 1422 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 1245 97 997 AKAMAI-ASN1, NL
3215 925 4894 282 France Telecom - Orange, FR
3257 791 2068 694 GTT-BACKBONE GTT, US
34984 745 77 436 TELLCOM-AS, TR
25019 700 1290 134 SAUDINETSTC-AS, SA
8452 672 1842 17 TE-AS TE-AS, EG
8376 576 54 23 Jordan Data Communications, JO
51167 567 113 250 CONTABO, DE
212238 551 40 487 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 6297 1790 961 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1766 262 1245 Telmex Colombia S.A., CO
3816 1330 781 212 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1172 371 22 Telefonica del Peru S.A.A., PE
26615 1014 2503 53 TIM SA, BR
18881 875 1127 31 TELEFONICA BRASIL S.A, BR
28006 644 77 295 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 633 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 1468 389 16 LINKdotNET-AS, EG
29571 1141 81 387 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 841 509 46 RAYA-AS, EG
36935 713 522 55 Vodafone-, EG
36992 638 1225 130 ETISALAT-MISR, EG
37069 595 1035 16 MOBINIL, EG
36914 554 82 3 KENET-AS, KE
36903 396 185 290 MT-MPLS, MA
2018 379 319 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 12790 39183 3788 AMAZON-02, US
9808 10139 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6297 1790 961 UNINET, MX
22773 3366 3017 176 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
367 2487 2913 1209 DNIC-ASBLK-00306-00371, US
4155 2434 180 1470 USDA-1, US
7018 2260 22912 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 10139 10052 CHINAMOBILE-CN China Mobile Communications Grou
8151 6297 5336 UNINET, MX
22773 3366 3190 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1877 1660 ATLANTICBB-JOHNSTOWN, US
56041 1542 1464 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1468 1452 LINKdotNET-AS, EG
56047 1503 1450 CMNET-HUNAN-AP China Mobile communications corp
209 1673 1393 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
23.140.16.0/24 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 /12:152
/13:221 /14:572 /15:1105 /16:7570 /17:3328 /18:4182
/19:7583 /20:12310 /21:15251 /22:27756 /23:27188 /24:151293
/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 3251 6297 UNINET, MX
22773 2507 3366 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2275 12790 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 994 1766 Telmex Colombia S.A., CO
209 967 1673 CENTURYLINK-US-LEGACY-QWEST, US
19901 924 1158 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 2:503 3:570 4:5 5:785 6:154
7:5 8:629 11:171 12:995 13:291 14:145
15:300 16:234 17:5 18:889 20:171 21:4
22:188 23:2213 24:668 27:27 29:19 31:378
32:17 34:10 35:130 36:1241 37:593 38:2123
39:541 40:54 41:961 42:211 43:197 44:25
45:3832 46:911 47:86 49:51 50:337 51:367
52:1393 54:278 55:1070 56:9 57:18 58:31
59:28 60:16 61:78 62:509 63:771 64:1790
65:1057 66:1555 67:965 68:412 69:1158 70:437
71:203 72:711 74:968 75:420 76:242 77:458
78:334 79:267 80:272 81:328 82:597 83:221
84:327 85:571 86:227 87:249 88:246 89:746
90:98 91:906 92:619 93:368 94:726 95:609
96:248 97:66 98:451 99:163 100:36 101:27
102:343 103:1226 104:1098 105:131 106:60 107:1116
108:502 109:365 110:59 111:1923 112:471 113:40
114:66 115:23 116:49 117:1044 118:164 119:123
120:1170 121:42 122:111 123:148 124:57 125:23
128:477 129:282 130:663 131:901 132:577 133:212
134:453 135:115 136:550 137:500 138:1009 139:396
140:704 141:411 142:903 143:713 144:407 145:68
146:661 147:498 148:820 149:657 150:368 151:673
152:509 153:124 154:1442 155:765 156:1358 157:383
158:474 159:659 160:875 161:653 162:945 163:336
164:718 165:760 166:611 167:637 168:1485 169:148
170:1655 171:125 172:1135 173:799 174:235 175:65
176:645 177:1112 178:505 179:794 180:69 181:1845
182:52 183:873 184:495 185:3282 186:2442 187:1337
188:732 189:1612 190:5122 191:463 192:4775 193:1693
194:1151 195:895 196:630 197:1526 198:2545 199:4753
200:4010 201:3286 202:990 203:696 204:2089 205:1981
206:1543 207:1483 208:1325 209:1913 210:320 211:425
212:907 213:770 214:1019 215:36 216:2445 217:421
218:523 219:22 220:30 221:301 222:30 223:735
End of report
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