[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Apr 15 20:17:04 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Tue 15 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: 270869
Prefixes after maximum aggregation (per Origin AS): 118185
Deaggregation factor: 2.29
Unique aggregates announced (without unneeded subnets): 141837
Number of IPv4 prefixes with a valid ROA: 123206
Number of IPv4 prefixes with an invalid ROA: 17
Number of IPv4 prefixes with no ROA: 147646
Total ASes present in the Internet Routing Table: 20680
Prefixes per ASN: 13.10
Origin-only ASes present in the Internet Routing Table: 17811
Origin ASes announcing only one prefix: 7958
Transit ASes present in the Internet Routing Table: 2869
Transit-only ASes present in the Internet Routing Table: 742
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: 334
Number of instances of unregistered ASNs: 335
Number of 32-bit ASNs allocated by the RIRs: 46194
Number of 32-bit ASNs visible in the Routing Table: 8141
Prefixes from 32-bit ASNs in the Routing Table: 31298
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: 1560784349
Equivalent to 93 /8s, 7 /16s and 173 /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: 87332
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31933
Total APNIC prefixes after maximum aggregation: 7506
APNIC Deaggregation factor: 4.25
Prefixes being announced from the APNIC address blocks: 30693
Unique aggregates announced from the APNIC address blocks: 8026
APNIC Region origin ASes present in the Internet Routing Table: 1215
APNIC Prefixes per ASN: 25.26
APNIC Region origin ASes announcing only one prefix: 482
APNIC Region transit ASes present in the Internet Routing Table: 204
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: 559
Number of APNIC addresses announced to Internet: 168902252
Equivalent to 10 /8s, 17 /16s and 62 /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: 126931
Total ARIN prefixes after maximum aggregation: 65515
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 124695
Unique aggregates announced from the ARIN address blocks: 67548
ARIN Region origin ASes present in the Internet Routing Table: 9429
ARIN Prefixes per ASN: 13.22
ARIN Region origin ASes announcing only one prefix: 3916
ARIN Region transit ASes present in the Internet Routing Table: 885
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: 2195
Number of ARIN addresses announced to Internet: 966374369
Equivalent to 57 /8s, 153 /16s and 179 /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: 49810
Total RIPE prefixes after maximum aggregation: 27008
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 51328
Unique aggregates announced from the RIPE address blocks: 37689
RIPE Region origin ASes present in the Internet Routing Table: 4642
RIPE Prefixes per ASN: 11.06
RIPE Region origin ASes announcing only one prefix: 1935
RIPE Region transit ASes present in the Internet Routing Table: 697
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: 1901
Number of RIPE addresses announced to Internet: 281146448
Equivalent to 16 /8s, 193 /16s and 244 /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: 51551
Total LACNIC prefixes after maximum aggregation: 15715
LACNIC Deaggregation factor: 3.28
Prefixes being announced from the LACNIC address blocks: 50128
Unique aggregates announced from the LACNIC address blocks: 24231
LACNIC Region origin ASes present in the Internet Routing Table: 4249
LACNIC Prefixes per ASN: 11.80
LACNIC Region origin ASes announcing only one prefix: 1515
LACNIC Region transit ASes present in the Internet Routing Table: 862
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3336
Number of LACNIC addresses announced to Internet: 100763456
Equivalent to 6 /8s, 1 /16s and 135 /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: 10310
Total AfriNIC prefixes after maximum aggregation: 2223
AfriNIC Deaggregation factor: 4.64
Prefixes being announced from the AfriNIC address blocks: 13886
Unique aggregates announced from the AfriNIC address blocks: 4209
AfriNIC Region origin ASes present in the Internet Routing Table: 274
AfriNIC Prefixes per ASN: 50.68
AfriNIC Region origin ASes announcing only one prefix: 110
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: 150
Number of AfriNIC addresses announced to Internet: 43541760
Equivalent to 2 /8s, 152 /16s and 101 /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 10164 8753 88 CHINAMOBILE-CN China Mobile Communication
56046 1586 811 186 CMNET-JIANGSU-AP China Mobile communicati
56041 1569 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1484 192 53 CMNET-HUNAN-AP China Mobile communication
24547 850 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 774 500 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 639 2170 465 SINET-AS Research Organization of Informa
24445 522 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
17561 486 31 203 LCS-AS-AP LARUS Limited, HK
45102 481 766 136 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 13192 39693 4076 AMAZON-02, US
22773 3394 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54879 2505 DNIC-AS-00749, US
4155 2627 200 1610 USDA-1, US
367 2476 2891 1202 DNIC-ASBLK-00306-00371, US
36352 2396 199 1079 AS-COLOCROSSING, US
7018 2216 22907 1582 ATT-INTERNET4, US
11776 1892 258 216 ATLANTICBB-JOHNSTOWN, US
6167 1830 3621 458 CELLCO-PART, US
209 1666 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 1217 95 993 AKAMAI-ASN1, NL
34984 929 91 521 TELLCOM-AS, TR
3257 926 2075 747 GTT-BACKBONE GTT, US
3215 894 4810 293 France Telecom - Orange, FR
25019 849 1299 129 SAUDINETSTC-AS, SA
8452 645 1842 17 TE-AS TE-AS, EG
203214 598 45 354 HULUMTELE, IQ
8376 579 53 23 Jordan Data Communications, JO
51167 568 113 251 CONTABO, DE
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 7378 2022 1007 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 989 2503 52 TIM SA, BR
18881 883 1127 31 TELEFONICA BRASIL S.A, BR
27651 656 95 43 ENTEL CHILE S.A., CL
28006 637 76 290 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 1487 389 16 LINKdotNET-AS, EG
20011 981 185 285 INTERNET-SOLUTIONS, ZA
29571 955 100 75 ORANGE-COTE-IVOIRE, CI
24835 875 512 38 RAYA-AS, EG
36935 707 519 48 Vodafone-, EG
36992 601 1228 123 ETISALAT-MISR, EG
36914 544 82 3 KENET-AS, KE
37069 533 1046 15 MOBINIL, EG
36903 410 192 301 MT-MPLS, MA
2018 373 318 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 13192 39693 4076 AMAZON-02, US
9808 10164 8753 88 CHINAMOBILE-CN China Mobile Communication
8151 7378 2022 1007 UNINET, MX
22773 3394 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54879 2505 DNIC-AS-00749, US
4155 2627 200 1610 USDA-1, US
367 2476 2891 1202 DNIC-ASBLK-00306-00371, US
36352 2396 199 1079 AS-COLOCROSSING, US
7018 2216 22907 1582 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 10164 10076 CHINAMOBILE-CN China Mobile Communications Grou
8151 7378 6371 UNINET, MX
22773 3394 3215 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 1487 1471 LINKdotNET-AS, EG
56047 1484 1431 CMNET-HUNAN-AP China Mobile communications corp
56046 1586 1400 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 /12:151
/13:216 /14:577 /15:1100 /16:7590 /17:3457 /18:4239
/19:7765 /20:12638 /21:15704 /22:28414 /23:28450 /24:160259
/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 3890 7378 UNINET, MX
22773 2534 3394 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2353 13192 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 970 2396 AS-COLOCROSSING, US
209 965 1666 CENTURYLINK-US-LEGACY-QWEST, US
19901 945 1201 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 2:458 3:611 4:5 5:834 6:150
7:5 8:641 11:171 12:997 13:296 14:140
15:301 16:243 17:5 18:891 20:172 21:4
22:188 23:2591 24:721 27:26 29:19 31:474
32:18 34:12 35:134 36:1229 37:1081 38:2278
39:547 40:56 41:898 42:221 43:201 44:42
45:4157 46:960 47:83 49:18 50:364 51:383
52:1386 54:274 55:1093 56:11 57:19 58:46
59:32 60:16 61:73 62:557 63:771 64:1992
65:1093 66:1649 67:991 68:452 69:1311 70:427
71:213 72:775 74:999 75:432 76:247 77:477
78:334 79:278 80:303 81:351 82:771 83:240
84:371 85:490 86:238 87:250 88:278 89:833
90:105 91:969 92:683 93:453 94:933 95:673
96:326 97:64 98:471 99:161 100:36 101:19
102:388 103:1248 104:1455 105:135 106:33 107:1498
108:541 109:419 110:62 111:1915 112:450 113:38
114:61 115:14 116:57 117:1036 118:155 119:131
120:1167 121:43 122:128 123:150 124:57 125:24
128:501 129:288 130:685 131:957 132:568 133:213
134:506 135:116 136:588 137:508 138:981 139:435
140:720 141:437 142:1028 143:699 144:428 145:112
146:699 147:514 148:879 149:845 150:375 151:638
152:535 153:128 154:1564 155:791 156:1287 157:382
158:525 159:690 160:823 161:705 162:1018 163:362
164:721 165:843 166:765 167:650 168:1496 169:154
170:1718 171:123 172:1379 173:838 174:257 175:54
176:847 177:1095 178:504 179:797 180:50 181:1998
182:30 183:861 184:527 185:3430 186:2508 187:1544
188:781 189:1787 190:5308 191:463 192:5198 193:1836
194:1228 195:947 196:815 197:1550 198:2702 199:4919
200:4091 201:3393 202:998 203:730 204:2188 205:1986
206:1575 207:1522 208:1390 209:1997 210:311 211:430
212:979 213:887 214:988 215:42 216:2547 217:451
218:522 219:19 220:26 221:304 222:32 223:735
End of report
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