[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Mar 7 20:17:04 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Fri 07 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: 260818
Prefixes after maximum aggregation (per Origin AS): 112635
Deaggregation factor: 2.32
Unique aggregates announced (without unneeded subnets): 134895
Number of IPv4 prefixes with a valid ROA: 118205
Number of IPv4 prefixes with an invalid ROA: 23
Number of IPv4 prefixes with no ROA: 142590
Total ASes present in the Internet Routing Table: 20188
Prefixes per ASN: 12.92
Origin-only ASes present in the Internet Routing Table: 17355
Origin ASes announcing only one prefix: 7686
Transit ASes present in the Internet Routing Table: 2833
Transit-only ASes present in the Internet Routing Table: 732
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: 269
Number of instances of unregistered ASNs: 270
Number of 32-bit ASNs allocated by the RIRs: 46172
Number of 32-bit ASNs visible in the Routing Table: 7910
Prefixes from 32-bit ASNs in the Routing Table: 29737
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: 111
Number of addresses announced to Internet: 1556237309
Equivalent to 92 /8s, 194 /16s and 75 /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: 82841
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32357
Total APNIC prefixes after maximum aggregation: 7890
APNIC Deaggregation factor: 4.10
Prefixes being announced from the APNIC address blocks: 31251
Unique aggregates announced from the APNIC address blocks: 8654
APNIC Region origin ASes present in the Internet Routing Table: 1206
APNIC Prefixes per ASN: 25.91
APNIC Region origin ASes announcing only one prefix: 473
APNIC Region transit ASes present in the Internet Routing Table: 222
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: 553
Number of APNIC addresses announced to Internet: 170916204
Equivalent to 10 /8s, 47 /16s and 249 /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: 120116
Total ARIN prefixes after maximum aggregation: 61644
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 117971
Unique aggregates announced from the ARIN address blocks: 62806
ARIN Region origin ASes present in the Internet Routing Table: 9183
ARIN Prefixes per ASN: 12.85
ARIN Region origin ASes announcing only one prefix: 3821
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: 2100
Number of ARIN addresses announced to Internet: 961159169
Equivalent to 57 /8s, 74 /16s and 32 /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: 45880
Total RIPE prefixes after maximum aggregation: 24921
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 47559
Unique aggregates announced from the RIPE address blocks: 34724
RIPE Region origin ASes present in the Internet Routing Table: 4376
RIPE Prefixes per ASN: 10.87
RIPE Region origin ASes announcing only one prefix: 1803
RIPE Region transit ASes present in the Internet Routing Table: 671
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: 1749
Number of RIPE addresses announced to Internet: 280921680
Equivalent to 16 /8s, 190 /16s and 134 /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: 51650
Total LACNIC prefixes after maximum aggregation: 15424
LACNIC Deaggregation factor: 3.35
Prefixes being announced from the LACNIC address blocks: 50375
Unique aggregates announced from the LACNIC address blocks: 23743
LACNIC Region origin ASes present in the Internet Routing Table: 4301
LACNIC Prefixes per ASN: 11.71
LACNIC Region origin ASes announcing only one prefix: 1477
LACNIC Region transit ASes present in the Internet Routing Table: 871
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: 3363
Number of LACNIC addresses announced to Internet: 100999744
Equivalent to 6 /8s, 5 /16s and 34 /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: 10546
Total AfriNIC prefixes after maximum aggregation: 2557
AfriNIC Deaggregation factor: 4.12
Prefixes being announced from the AfriNIC address blocks: 13551
Unique aggregates announced from the AfriNIC address blocks: 4858
AfriNIC Region origin ASes present in the Internet Routing Table: 272
AfriNIC Prefixes per ASN: 49.82
AfriNIC Region origin ASes announcing only one prefix: 112
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: 145
Number of AfriNIC addresses announced to Internet: 42191616
Equivalent to 2 /8s, 131 /16s and 203 /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 640 2170 465 SINET-AS Research Organization of Informa
24445 503 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
17561 488 31 194 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 12947 39641 3935 AMAZON-02, US
22773 3374 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2466 182 1493 USDA-1, US
367 2460 2915 1189 DNIC-ASBLK-00306-00371, US
7018 2254 22912 1605 ATT-INTERNET4, US
11776 1877 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1788 3543 464 CELLCO-PART, US
209 1672 4890 280 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 1244 97 996 AKAMAI-ASN1, NL
3215 926 4894 282 France Telecom - Orange, FR
3257 791 2068 695 GTT-BACKBONE GTT, US
34984 745 77 436 TELLCOM-AS, TR
25019 700 1290 134 SAUDINETSTC-AS, SA
8452 674 1842 17 TE-AS TE-AS, EG
8376 575 54 23 Jordan Data Communications, JO
51167 568 113 251 CONTABO, DE
212238 548 40 486 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 7356 2008 932 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1755 261 1244 Telmex Colombia S.A., CO
3816 1328 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1204 371 22 Telefonica del Peru S.A.A., PE
26615 1014 2503 53 TIM SA, BR
18881 870 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 1471 389 16 LINKdotNET-AS, EG
29571 1143 81 390 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 834 509 46 RAYA-AS, EG
36935 714 522 48 Vodafone-, EG
36992 638 1225 130 ETISALAT-MISR, EG
37069 583 1031 15 MOBINIL, EG
36914 548 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 12947 39641 3935 AMAZON-02, US
9808 10139 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 7356 2008 932 UNINET, MX
22773 3374 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2466 182 1493 USDA-1, US
367 2460 2915 1189 DNIC-ASBLK-00306-00371, US
7018 2254 22912 1605 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 7356 6424 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 1877 1660 ATLANTICBB-JOHNSTOWN, US
56041 1542 1464 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1471 1455 LINKdotNET-AS, EG
56047 1503 1450 CMNET-HUNAN-AP China Mobile communications corp
209 1672 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
/13:221 /14:569 /15:1098 /16:7574 /17:3348 /18:4207
/19:7718 /20:12560 /21:15379 /22:27975 /23:27475 /24:152239
/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 3842 7356 UNINET, MX
22773 2516 3374 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2337 12947 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 984 1755 Telmex Colombia S.A., CO
209 966 1672 CENTURYLINK-US-LEGACY-QWEST, US
19901 921 1155 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 2:481 3:580 4:5 5:785 6:154
7:5 8:629 11:171 12:996 13:288 14:147
15:300 16:235 17:5 18:893 20:172 21:4
22:188 23:2235 24:880 27:24 29:19 31:385
32:17 34:11 35:131 36:1240 37:608 38:2181
39:541 40:54 41:956 42:211 43:191 44:26
45:3940 46:904 47:84 49:51 50:336 51:372
52:1389 54:277 55:822 56:9 57:18 58:31
59:25 60:16 61:77 62:513 63:770 64:1805
65:1050 66:1562 67:959 68:412 69:1151 70:442
71:201 72:730 74:961 75:420 76:242 77:463
78:329 79:262 80:268 81:326 82:604 83:223
84:321 85:565 86:226 87:241 88:251 89:762
90:98 91:949 92:618 93:370 94:753 95:621
96:249 97:66 98:451 99:162 100:36 101:26
102:328 103:1218 104:1105 105:131 106:60 107:1109
108:504 109:364 110:59 111:1923 112:463 113:41
114:67 115:22 116:48 117:1055 118:165 119:124
120:1171 121:42 122:112 123:146 124:57 125:24
128:479 129:282 130:658 131:918 132:569 133:213
134:458 135:115 136:519 137:496 138:1025 139:400
140:704 141:423 142:910 143:705 144:408 145:69
146:664 147:498 148:826 149:667 150:370 151:670
152:508 153:124 154:1454 155:770 156:1345 157:367
158:474 159:656 160:876 161:658 162:942 163:339
164:730 165:762 166:619 167:642 168:1503 169:148
170:1657 171:125 172:1142 173:779 174:232 175:65
176:647 177:1144 178:500 179:806 180:69 181:1862
182:52 183:873 184:495 185:3285 186:2510 187:1459
188:724 189:1757 190:5184 191:466 192:4766 193:1681
194:1142 195:889 196:626 197:1536 198:2554 199:4787
200:4051 201:3422 202:992 203:701 204:2090 205:1967
206:1550 207:1493 208:1328 209:1909 210:315 211:425
212:923 213:765 214:1015 215:36 216:2455 217:424
218:523 219:22 220:30 221:301 222:30 223:738
End of report
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