[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Mar 30 20:17:02 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sun 30 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: 270499
Prefixes after maximum aggregation (per Origin AS): 117967
Deaggregation factor: 2.29
Unique aggregates announced (without unneeded subnets): 141761
Number of IPv4 prefixes with a valid ROA: 122965
Number of IPv4 prefixes with an invalid ROA: 16
Number of IPv4 prefixes with no ROA: 147518
Total ASes present in the Internet Routing Table: 20815
Prefixes per ASN: 13.00
Origin-only ASes present in the Internet Routing Table: 17897
Origin ASes announcing only one prefix: 7993
Transit ASes present in the Internet Routing Table: 2918
Transit-only ASes present in the Internet Routing Table: 782
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: 273
Number of instances of unregistered ASNs: 274
Number of 32-bit ASNs allocated by the RIRs: 46117
Number of 32-bit ASNs visible in the Routing Table: 8234
Prefixes from 32-bit ASNs in the Routing Table: 31715
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: 118
Number of addresses announced to Internet: 1559990877
Equivalent to 92 /8s, 251 /16s and 146 /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: 87297
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32059
Total APNIC prefixes after maximum aggregation: 7637
APNIC Deaggregation factor: 4.20
Prefixes being announced from the APNIC address blocks: 30806
Unique aggregates announced from the APNIC address blocks: 8170
APNIC Region origin ASes present in the Internet Routing Table: 1224
APNIC Prefixes per ASN: 25.17
APNIC Region origin ASes announcing only one prefix: 493
APNIC Region transit ASes present in the Internet Routing Table: 213
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: 566
Number of APNIC addresses announced to Internet: 169114476
Equivalent to 10 /8s, 20 /16s and 123 /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: 125711
Total ARIN prefixes after maximum aggregation: 64698
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 123297
Unique aggregates announced from the ARIN address blocks: 66648
ARIN Region origin ASes present in the Internet Routing Table: 9365
ARIN Prefixes per ASN: 13.17
ARIN Region origin ASes announcing only one prefix: 3902
ARIN Region transit ASes present in the Internet Routing Table: 873
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: 2160
Number of ARIN addresses announced to Internet: 964865761
Equivalent to 57 /8s, 130 /16s and 174 /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: 49891
Total RIPE prefixes after maximum aggregation: 27370
RIPE Deaggregation factor: 1.82
Prefixes being announced from the RIPE address blocks: 51409
Unique aggregates announced from the RIPE address blocks: 37983
RIPE Region origin ASes present in the Internet Routing Table: 4687
RIPE Prefixes per ASN: 10.97
RIPE Region origin ASes announcing only one prefix: 1963
RIPE Region transit ASes present in the Internet Routing Table: 703
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: 1927
Number of RIPE addresses announced to Internet: 281407440
Equivalent to 16 /8s, 197 /16s and 239 /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: 52005
Total LACNIC prefixes after maximum aggregation: 15782
LACNIC Deaggregation factor: 3.30
Prefixes being announced from the LACNIC address blocks: 50626
Unique aggregates announced from the LACNIC address blocks: 24413
LACNIC Region origin ASes present in the Internet Routing Table: 4353
LACNIC Prefixes per ASN: 11.63
LACNIC Region origin ASes announcing only one prefix: 1525
LACNIC Region transit ASes present in the Internet Routing Table: 893
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: 3436
Number of LACNIC addresses announced to Internet: 100975936
Equivalent to 6 /8s, 4 /16s and 197 /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: 10560
Total AfriNIC prefixes after maximum aggregation: 2277
AfriNIC Deaggregation factor: 4.64
Prefixes being announced from the AfriNIC address blocks: 14243
Unique aggregates announced from the AfriNIC address blocks: 4434
AfriNIC Region origin ASes present in the Internet Routing Table: 283
AfriNIC Prefixes per ASN: 50.33
AfriNIC Region origin ASes announcing only one prefix: 110
AfriNIC Region transit ASes present in the Internet Routing Table: 80
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: 43577344
Equivalent to 2 /8s, 152 /16s and 240 /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 10125 8753 88 CHINAMOBILE-CN China Mobile Communication
56046 1576 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1542 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1482 192 53 CMNET-HUNAN-AP China Mobile communication
24547 850 177 50 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 520 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
17561 516 33 206 LCS-AS-AP LARUS Limited, HK
45102 478 779 138 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 12940 39643 3996 AMAZON-02, US
22773 3373 3017 174 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2550 189 1552 USDA-1, US
367 2431 2886 1167 DNIC-ASBLK-00306-00371, US
36352 2349 196 1061 AS-COLOCROSSING, US
7018 2217 22907 1580 ATT-INTERNET4, US
11776 1879 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1819 3570 457 CELLCO-PART, US
209 1670 4890 277 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 1254 98 1012 AKAMAI-ASN1, NL
3215 927 4886 286 France Telecom - Orange, FR
3257 927 2075 749 GTT-BACKBONE GTT, US
25019 819 1299 129 SAUDINETSTC-AS, SA
34984 653 73 474 TELLCOM-AS, TR
8452 610 1842 17 TE-AS TE-AS, EG
203214 585 42 343 HULUMTELE, IQ
8376 569 53 25 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 7320 2016 1002 UNINET, MX
10620 2042 305 1336 Telmex Colombia S.A., CO
11830 1991 369 64 Instituto Costarricense de Electricidad y
3816 1332 783 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1192 371 21 Telefonica del Peru S.A.A., PE
26615 1015 2503 53 TIM SA, BR
18881 882 1127 31 TELEFONICA BRASIL S.A, BR
27651 656 95 43 ENTEL CHILE S.A., CL
28006 643 77 295 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 544 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 1458 389 18 LINKdotNET-AS, EG
29571 1209 101 70 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 805 504 37 RAYA-AS, EG
36935 687 520 41 Vodafone-, EG
36992 604 1229 126 ETISALAT-MISR, EG
36914 546 82 3 KENET-AS, KE
37069 456 1030 15 MOBINIL, EG
36903 417 195 306 MT-MPLS, MA
2018 373 318 68 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 12940 39643 3996 AMAZON-02, US
9808 10125 8753 88 CHINAMOBILE-CN China Mobile Communication
8151 7320 2016 1002 UNINET, MX
22773 3373 3017 174 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2550 189 1552 USDA-1, US
367 2431 2886 1167 DNIC-ASBLK-00306-00371, US
36352 2349 196 1061 AS-COLOCROSSING, US
7018 2217 22907 1580 ATT-INTERNET4, US
10620 2042 305 1336 Telmex Colombia S.A., CO
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 10125 10037 CHINAMOBILE-CN China Mobile Communications Grou
8151 7320 6318 UNINET, MX
22773 3373 3199 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1991 1927 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1879 1662 ATLANTICBB-JOHNSTOWN, US
56041 1542 1464 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1458 1440 LINKdotNET-AS, EG
56047 1482 1429 CMNET-HUNAN-AP China Mobile communications corp
56046 1576 1397 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 PIGGYTARO-DATA, CA
23.158.216.0/24 Transit: 22427 GNET-AS, US
41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22 Transit: 2914 NTT-DATA-2914, 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 /12:150
/13:218 /14:577 /15:1100 /16:7616 /17:3481 /18:4240
/19:7764 /20:12522 /21:15600 /22:28457 /23:28305 /24:160174
/25:60 /26:71 /27:26 /28:13 /29:16 /30:10
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3847 7320 UNINET, MX
22773 2515 3373 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2331 12940 AMAZON-02, US
11830 1692 1991 Instituto Costarricense de Electricidad y Telecom., CR
10620 1143 2042 Telmex Colombia S.A., CO
39891 1081 1936 ALJAWWALSTC-AS, SA
209 966 1670 CENTURYLINK-US-LEGACY-QWEST, US
36352 939 2349 AS-COLOCROSSING, US
19901 937 1183 BRSPD-PUBLIC, US
11776 881 1879 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:65 2:485 3:597 4:5 5:851 6:150
7:5 8:641 11:171 12:999 13:296 14:138
15:301 16:241 17:5 18:878 20:173 21:4
22:188 23:2511 24:962 27:24 29:19 31:523
32:18 34:10 35:131 36:1224 37:1074 38:2335
39:543 40:54 41:997 42:221 43:213 44:31
45:4162 46:949 47:84 49:54 50:354 51:381
52:1387 54:276 55:878 56:11 57:18 58:45
59:39 60:16 61:67 62:551 63:777 64:1884
65:1086 66:1602 67:973 68:418 69:1204 70:439
71:213 72:853 74:980 75:436 76:249 77:478
78:325 79:275 80:302 81:348 82:712 83:243
84:362 85:523 86:238 87:254 88:289 89:840
90:106 91:990 92:692 93:457 94:931 95:684
96:281 97:64 98:473 99:162 100:35 101:24
102:440 103:1249 104:1483 105:135 106:62 107:1477
108:541 109:385 110:57 111:1919 112:462 113:40
114:67 115:16 116:54 117:1038 118:164 119:130
120:1163 121:44 122:104 123:147 124:57 125:20
128:490 129:287 130:665 131:958 132:558 133:213
134:546 135:117 136:563 137:502 138:1050 139:436
140:710 141:456 142:973 143:716 144:418 145:113
146:697 147:498 148:843 149:756 150:376 151:705
152:527 153:127 154:1559 155:806 156:1366 157:376
158:507 159:741 160:928 161:718 162:1010 163:351
164:724 165:839 166:734 167:645 168:1525 169:145
170:1682 171:124 172:1416 173:821 174:253 175:52
176:524 177:1215 178:528 179:850 180:50 181:1964
182:43 183:857 184:506 185:3458 186:2500 187:1519
188:801 189:1812 190:5232 191:511 192:5147 193:1844
194:1246 195:935 196:847 197:1688 198:2708 199:4885
200:4050 201:3402 202:991 203:712 204:2176 205:1990
206:1572 207:1512 208:1366 209:1978 210:308 211:426
212:1091 213:874 214:1003 215:42 216:2501 217:448
218:521 219:20 220:20 221:301 222:32 223:735
End of report
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