[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Mar 19 20:17:06 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Wed 19 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: 269069
Prefixes after maximum aggregation (per Origin AS): 117329
Deaggregation factor: 2.29
Unique aggregates announced (without unneeded subnets): 140737
Number of IPv4 prefixes with a valid ROA: 121682
Number of IPv4 prefixes with an invalid ROA: 20
Number of IPv4 prefixes with no ROA: 147367
Total ASes present in the Internet Routing Table: 20698
Prefixes per ASN: 13.00
Origin-only ASes present in the Internet Routing Table: 17797
Origin ASes announcing only one prefix: 7916
Transit ASes present in the Internet Routing Table: 2901
Transit-only ASes present in the Internet Routing Table: 740
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: 294
Number of instances of unregistered ASNs: 295
Number of 32-bit ASNs allocated by the RIRs: 46125
Number of 32-bit ASNs visible in the Routing Table: 8134
Prefixes from 32-bit ASNs in the Routing Table: 31496
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: 128
Number of addresses announced to Internet: 1566949757
Equivalent to 93 /8s, 101 /16s and 193 /24s
Percentage of available address space announced: 42.3
Percentage of allocated address space announced: 42.3
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: 86336
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32261
Total APNIC prefixes after maximum aggregation: 7651
APNIC Deaggregation factor: 4.22
Prefixes being announced from the APNIC address blocks: 31009
Unique aggregates announced from the APNIC address blocks: 8249
APNIC Region origin ASes present in the Internet Routing Table: 1211
APNIC Prefixes per ASN: 25.61
APNIC Region origin ASes announcing only one prefix: 479
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: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 553
Number of APNIC addresses announced to Internet: 169098348
Equivalent to 10 /8s, 20 /16s and 60 /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: 125679
Total ARIN prefixes after maximum aggregation: 64626
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 123341
Unique aggregates announced from the ARIN address blocks: 66509
ARIN Region origin ASes present in the Internet Routing Table: 9349
ARIN Prefixes per ASN: 13.19
ARIN Region origin ASes announcing only one prefix: 3888
ARIN Region transit ASes present in the Internet Routing Table: 876
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: 2158
Number of ARIN addresses announced to Internet: 964898817
Equivalent to 57 /8s, 131 /16s and 48 /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: 49183
Total RIPE prefixes after maximum aggregation: 26976
RIPE Deaggregation factor: 1.82
Prefixes being announced from the RIPE address blocks: 50908
Unique aggregates announced from the RIPE address blocks: 37623
RIPE Region origin ASes present in the Internet Routing Table: 4703
RIPE Prefixes per ASN: 10.82
RIPE Region origin ASes announcing only one prefix: 1959
RIPE Region transit ASes present in the Internet Routing Table: 709
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: 1911
Number of RIPE addresses announced to Internet: 289000400
Equivalent to 17 /8s, 57 /16s and 203 /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: 51365
Total LACNIC prefixes after maximum aggregation: 15672
LACNIC Deaggregation factor: 3.28
Prefixes being announced from the LACNIC address blocks: 49995
Unique aggregates announced from the LACNIC address blocks: 24135
LACNIC Region origin ASes present in the Internet Routing Table: 4292
LACNIC Prefixes per ASN: 11.65
LACNIC Region origin ASes announcing only one prefix: 1478
LACNIC Region transit ASes present in the Internet Routing Table: 879
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: 3367
Number of LACNIC addresses announced to Internet: 100710464
Equivalent to 6 /8s, 0 /16s and 184 /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: 10287
Total AfriNIC prefixes after maximum aggregation: 2190
AfriNIC Deaggregation factor: 4.70
Prefixes being announced from the AfriNIC address blocks: 13688
Unique aggregates announced from the AfriNIC address blocks: 4102
AfriNIC Region origin ASes present in the Internet Routing Table: 273
AfriNIC Prefixes per ASN: 50.14
AfriNIC Region origin ASes announcing only one prefix: 112
AfriNIC Region transit ASes present in the Internet Routing Table: 74
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: 43187456
Equivalent to 2 /8s, 146 /16s and 253 /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 10137 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1573 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1542 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1491 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
17561 552 35 223 LCS-AS-AP LARUS Limited, HK
55410 519 50 167 VIL-AS-AP Vodafone Idea Ltd, IN
24445 511 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
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 12944 39643 3972 AMAZON-02, US
22773 3375 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2499 185 1529 USDA-1, US
367 2423 2900 1171 DNIC-ASBLK-00306-00371, US
36352 2302 193 1056 AS-COLOCROSSING, US
7018 2238 22911 1598 ATT-INTERNET4, US
11776 1877 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1804 3547 466 CELLCO-PART, US
209 1672 4890 279 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 1264 99 1022 AKAMAI-ASN1, NL
3257 928 2075 750 GTT-BACKBONE GTT, US
3215 927 4886 285 France Telecom - Orange, FR
34984 914 89 507 TELLCOM-AS, TR
25019 699 1290 134 SAUDINETSTC-AS, SA
8452 602 1842 17 TE-AS TE-AS, EG
212238 571 41 504 CDNEXT, GB
8376 570 53 22 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 7226 2008 997 UNINET, MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
10620 1736 256 1228 Telmex Colombia S.A., CO
3816 1329 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1193 371 21 Telefonica del Peru S.A.A., PE
26615 1013 2503 53 TIM SA, BR
18881 877 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 1454 389 16 LINKdotNET-AS, EG
29571 1072 101 72 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 862 509 44 RAYA-AS, EG
36935 680 520 41 Vodafone-, EG
36992 604 1229 126 ETISALAT-MISR, EG
36914 536 82 3 KENET-AS, KE
37069 459 1030 15 MOBINIL, EG
36903 417 195 306 MT-MPLS, MA
2018 374 318 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 12944 39643 3972 AMAZON-02, US
9808 10137 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 7226 2008 997 UNINET, MX
22773 3375 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2499 185 1529 USDA-1, US
367 2423 2900 1171 DNIC-ASBLK-00306-00371, US
36352 2302 193 1056 AS-COLOCROSSING, US
7018 2238 22911 1598 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 10137 10050 CHINAMOBILE-CN China Mobile Communications Grou
8151 7226 6229 UNINET, MX
22773 3375 3200 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1993 1929 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
56047 1491 1438 CMNET-HUNAN-AP China Mobile communications corp
24863 1454 1438 LINKdotNET-AS, EG
56046 1573 1394 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 /11:43 /12:151
/13:223 /14:579 /15:1104 /16:7627 /17:3375 /18:4217
/19:7729 /20:12558 /21:15581 /22:28331 /23:28184 /24:159097
/25:60 /26:76 /27:36 /28:15 /29:16 /30:10
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3785 7226 UNINET, MX
22773 2517 3375 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2338 12944 AMAZON-02, US
11830 1694 1993 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 981 1736 Telmex Colombia S.A., CO
209 966 1672 CENTURYLINK-US-LEGACY-QWEST, US
19901 934 1171 BRSPD-PUBLIC, US
36352 915 2302 AS-COLOCROSSING, US
11776 881 1877 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 2:477 3:593 4:5 5:822 6:149
7:5 8:643 11:171 12:1003 13:290 14:141
15:300 16:241 17:5 18:887 20:173 21:4
22:188 23:2555 24:954 27:24 29:19 31:457
32:18 34:10 35:132 36:1226 37:1002 38:2307
39:543 40:54 41:946 42:237 43:204 44:25
45:4154 46:950 47:84 49:55 50:350 51:383
52:1387 54:277 55:1070 56:9 57:19 58:45
59:27 60:16 61:65 62:543 63:783 64:1888
65:1090 66:1630 67:963 68:431 69:1240 70:441
71:214 72:805 74:983 75:433 76:254 77:431
78:352 79:334 80:289 81:334 82:691 83:245
84:369 85:569 86:251 87:254 88:259 89:838
90:103 91:982 92:675 93:473 94:839 95:632
96:278 97:66 98:471 99:161 100:36 101:30
102:332 103:1246 104:1464 105:135 106:62 107:1485
108:546 109:380 110:57 111:1926 112:464 113:39
114:65 115:20 116:53 117:1043 118:213 119:132
120:1168 121:44 122:158 123:192 124:57 125:24
126:1 128:487 129:280 130:667 131:938 132:558
133:213 134:521 135:115 136:546 137:510 138:1026
139:422 140:711 141:428 142:976 143:708 144:419
145:76 146:701 147:508 148:851 149:725 150:375
151:705 152:530 153:126 154:1538 155:800 156:1376
157:373 158:503 159:670 160:837 161:731 162:1014
163:354 164:733 165:840 166:720 167:644 168:1501
169:145 170:1679 171:124 172:1421 173:808 174:254
175:64 176:710 177:1132 178:510 179:811 180:50
181:1901 182:46 183:880 184:506 185:3541 186:2480
187:1467 188:772 189:1742 190:5153 191:509 192:5111
193:1803 194:1246 195:947 196:810 197:1519 198:2686
199:4868 200:4036 201:3404 202:990 203:712 204:2143
205:1966 206:1575 207:1520 208:1367 209:1962 210:311
211:426 212:975 213:845 214:1014 215:42 216:2519
217:464 218:525 219:20 220:25 221:301 222:32
223:740
End of report
More information about the ren-bgp-stats-all
mailing list