[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Mar 3 20:17:06 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Mon 03 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: 258630
Prefixes after maximum aggregation (per Origin AS): 111908
Deaggregation factor: 2.31
Unique aggregates announced (without unneeded subnets): 133502
Number of IPv4 prefixes with a valid ROA: 116906
Number of IPv4 prefixes with an invalid ROA: 23
Number of IPv4 prefixes with no ROA: 141701
Total ASes present in the Internet Routing Table: 20087
Prefixes per ASN: 12.88
Origin-only ASes present in the Internet Routing Table: 17272
Origin ASes announcing only one prefix: 7667
Transit ASes present in the Internet Routing Table: 2815
Transit-only ASes present in the Internet Routing Table: 740
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: 263
Number of instances of unregistered ASNs: 264
Number of 32-bit ASNs allocated by the RIRs: 46224
Number of 32-bit ASNs visible in the Routing Table: 7836
Prefixes from 32-bit ASNs in the Routing Table: 29067
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: 113
Number of addresses announced to Internet: 1559875069
Equivalent to 92 /8s, 249 /16s and 205 /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: 81587
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32093
Total APNIC prefixes after maximum aggregation: 7721
APNIC Deaggregation factor: 4.16
Prefixes being announced from the APNIC address blocks: 31020
Unique aggregates announced from the APNIC address blocks: 8429
APNIC Region origin ASes present in the Internet Routing Table: 1215
APNIC Prefixes per ASN: 25.53
APNIC Region origin ASes announcing only one prefix: 479
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: 555
Number of APNIC addresses announced to Internet: 170512236
Equivalent to 10 /8s, 41 /16s and 207 /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: 119803
Total ARIN prefixes after maximum aggregation: 61284
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 117418
Unique aggregates announced from the ARIN address blocks: 61956
ARIN Region origin ASes present in the Internet Routing Table: 9095
ARIN Prefixes per ASN: 12.91
ARIN Region origin ASes announcing only one prefix: 3794
ARIN Region transit ASes present in the Internet Routing Table: 843
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: 2079
Number of ARIN addresses announced to Internet: 958825985
Equivalent to 57 /8s, 38 /16s and 134 /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: 46159
Total RIPE prefixes after maximum aggregation: 25060
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 47895
Unique aggregates announced from the RIPE address blocks: 34833
RIPE Region origin ASes present in the Internet Routing Table: 4443
RIPE Prefixes per ASN: 10.78
RIPE Region origin ASes announcing only one prefix: 1845
RIPE Region transit ASes present in the Internet Routing Table: 670
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: 1775
Number of RIPE addresses announced to Internet: 288281424
Equivalent to 17 /8s, 46 /16s and 211 /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: 49726
Total LACNIC prefixes after maximum aggregation: 15099
LACNIC Deaggregation factor: 3.29
Prefixes being announced from the LACNIC address blocks: 48556
Unique aggregates announced from the LACNIC address blocks: 23312
LACNIC Region origin ASes present in the Internet Routing Table: 4203
LACNIC Prefixes per ASN: 11.55
LACNIC Region origin ASes announcing only one prefix: 1436
LACNIC Region transit ASes present in the Internet Routing Table: 865
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: 3281
Number of LACNIC addresses announced to Internet: 99952960
Equivalent to 5 /8s, 245 /16s and 41 /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: 10586
Total AfriNIC prefixes after maximum aggregation: 2554
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 13628
Unique aggregates announced from the AfriNIC address blocks: 4860
AfriNIC Region origin ASes present in the Internet Routing Table: 272
AfriNIC Prefixes per ASN: 50.10
AfriNIC Region origin ASes announcing only one prefix: 113
AfriNIC Region transit ASes present in the Internet Routing Table: 70
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: 146
Number of AfriNIC addresses announced to Internet: 42253824
Equivalent to 2 /8s, 132 /16s and 190 /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 848 177 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
45102 481 783 139 ALIBABA-CN-NET Alibaba US Technology Co.,
17561 470 30 182 LCS-AS-AP LARUS Limited, HK
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 12795 39183 3786 AMAZON-02, US
22773 3366 3017 176 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2480 2909 1201 DNIC-ASBLK-00306-00371, US
4155 2437 180 1466 USDA-1, US
7018 2257 22912 1607 ATT-INTERNET4, US
11776 1877 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1787 3543 463 CELLCO-PART, US
209 1673 4890 280 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 1273 99 1012 AKAMAI-ASN1, NL
3215 925 4894 282 France Telecom - Orange, FR
3257 792 2069 694 GTT-BACKBONE GTT, US
34984 746 77 437 TELLCOM-AS, TR
8452 708 1842 17 TE-AS TE-AS, EG
25019 700 1290 134 SAUDINETSTC-AS, SA
8376 578 54 26 Jordan Data Communications, JO
51167 567 113 250 CONTABO, DE
212238 535 39 471 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 6387 1846 834 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 1173 371 22 Telefonica del Peru S.A.A., PE
26615 1013 2503 53 TIM SA, BR
18881 875 1127 31 TELEFONICA BRASIL S.A, BR
28006 643 77 294 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 1140 81 386 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 834 509 46 RAYA-AS, EG
36935 713 522 55 Vodafone-, EG
37069 643 1031 15 MOBINIL, EG
36992 638 1225 130 ETISALAT-MISR, EG
36914 551 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 12795 39183 3786 AMAZON-02, US
9808 10139 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6387 1846 834 UNINET, MX
22773 3366 3017 176 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2480 2909 1201 DNIC-ASBLK-00306-00371, US
4155 2437 180 1466 USDA-1, US
7018 2257 22912 1607 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 6387 5553 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 1471 1455 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
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 /15:1109 /16:7614 /17:3335 /18:4213
/19:7660 /20:12453 /21:15126 /22:27686 /23:27138 /24:151041
/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 3322 6387 UNINET, MX
22773 2507 3366 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2278 12795 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 925 1159 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)
----------------------------------------------
1:64 2:494 3:572 4:5 5:783 6:154
7:5 8:632 11:171 12:983 13:294 14:118
15:300 16:240 17:5 18:888 20:171 21:4
22:188 23:2216 24:669 27:27 29:19 31:403
32:17 34:11 35:130 36:1241 37:606 38:2084
39:541 40:54 41:960 42:210 43:194 44:24
45:3855 46:912 47:86 49:33 50:339 51:374
52:1382 54:278 55:1118 56:9 57:18 58:31
59:28 60:16 61:77 62:519 63:763 64:1775
65:1061 66:1552 67:962 68:424 69:1152 70:437
71:201 72:693 74:959 75:420 76:237 77:455
78:337 79:284 80:276 81:332 82:598 83:220
84:326 85:567 86:228 87:255 88:246 89:748
90:98 91:938 92:617 93:367 94:739 95:615
96:253 97:66 98:450 99:163 100:36 101:27
102:324 103:1210 104:1095 105:131 106:35 107:1114
108:503 109:373 110:30 111:1924 112:460 113:49
114:53 115:23 116:53 117:1044 118:163 119:125
120:1170 121:43 122:112 123:148 124:57 125:23
128:476 129:282 130:656 131:913 132:578 133:212
134:448 135:115 136:554 137:501 138:999 139:396
140:702 141:414 142:904 143:722 144:406 145:70
146:655 147:497 148:830 149:651 150:367 151:665
152:521 153:124 154:1433 155:768 156:1352 157:373
158:475 159:669 160:876 161:651 162:940 163:338
164:724 165:767 166:603 167:640 168:1489 169:144
170:1653 171:124 172:1130 173:795 174:236 175:65
176:635 177:1107 178:508 179:792 180:69 181:1823
182:52 183:873 184:495 185:3312 186:2410 187:1422
188:731 189:1567 190:5062 191:462 192:4782 193:1727
194:1170 195:900 196:644 197:1525 198:2545 199:4742
200:3957 201:3210 202:990 203:678 204:2085 205:1969
206:1535 207:1472 208:1307 209:1892 210:320 211:426
212:937 213:774 214:1024 215:36 216:2405 217:427
218:523 219:22 220:30 221:301 222:30 223:742
End of report
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