[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Feb 12 20:17:02 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Wed 12 Feb, 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: 256400
Prefixes after maximum aggregation (per Origin AS): 111596
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 135490
Number of IPv4 prefixes with a valid ROA: 115361
Number of IPv4 prefixes with an invalid ROA: 19
Number of IPv4 prefixes with no ROA: 141020
Total ASes present in the Internet Routing Table: 19945
Prefixes per ASN: 12.86
Origin-only ASes present in the Internet Routing Table: 17121
Origin ASes announcing only one prefix: 7657
Transit ASes present in the Internet Routing Table: 2824
Transit-only ASes present in the Internet Routing Table: 728
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: 295
Number of instances of unregistered ASNs: 296
Number of 32-bit ASNs allocated by the RIRs: 46121
Number of 32-bit ASNs visible in the Routing Table: 7769
Prefixes from 32-bit ASNs in the Routing Table: 29497
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: 1538793405
Equivalent to 91 /8s, 184 /16s and 31 /24s
Percentage of available address space announced: 41.6
Percentage of allocated address space announced: 41.6
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: 80985
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31869
Total APNIC prefixes after maximum aggregation: 7783
APNIC Deaggregation factor: 4.09
Prefixes being announced from the APNIC address blocks: 30483
Unique aggregates announced from the APNIC address blocks: 8066
APNIC Region origin ASes present in the Internet Routing Table: 1131
APNIC Prefixes per ASN: 26.95
APNIC Region origin ASes announcing only one prefix: 442
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: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 487
Number of APNIC addresses announced to Internet: 168925292
Equivalent to 10 /8s, 17 /16s and 152 /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, 131072-153913
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: 118441
Total ARIN prefixes after maximum aggregation: 60825
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 116700
Unique aggregates announced from the ARIN address blocks: 62482
ARIN Region origin ASes present in the Internet Routing Table: 8969
ARIN Prefixes per ASN: 13.01
ARIN Region origin ASes announcing only one prefix: 3761
ARIN Region transit ASes present in the Internet Routing Table: 841
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: 2028
Number of ARIN addresses announced to Internet: 950495553
Equivalent to 56 /8s, 167 /16s and 105 /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: 46387
Total RIPE prefixes after maximum aggregation: 25168
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 47920
Unique aggregates announced from the RIPE address blocks: 35313
RIPE Region origin ASes present in the Internet Routing Table: 4477
RIPE Prefixes per ASN: 10.70
RIPE Region origin ASes announcing only one prefix: 1873
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: 1795
Number of RIPE addresses announced to Internet: 279837392
Equivalent to 16 /8s, 173 /16s and 250 /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: 49293
Total LACNIC prefixes after maximum aggregation: 15031
LACNIC Deaggregation factor: 3.28
Prefixes being announced from the LACNIC address blocks: 47986
Unique aggregates announced from the LACNIC address blocks: 23120
LACNIC Region origin ASes present in the Internet Routing Table: 4235
LACNIC Prefixes per ASN: 11.33
LACNIC Region origin ASes announcing only one prefix: 1461
LACNIC Region transit ASes present in the Internet Routing Table: 882
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: 3307
Number of LACNIC addresses announced to Internet: 98867520
Equivalent to 5 /8s, 228 /16s and 153 /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: 10115
Total AfriNIC prefixes after maximum aggregation: 2582
AfriNIC Deaggregation factor: 3.92
Prefixes being announced from the AfriNIC address blocks: 13172
Unique aggregates announced from the AfriNIC address blocks: 6392
AfriNIC Region origin ASes present in the Internet Routing Table: 282
AfriNIC Prefixes per ASN: 46.71
AfriNIC Region origin ASes announcing only one prefix: 120
AfriNIC Region transit ASes present in the Internet Routing Table: 74
Average AfriNIC Region AS path length visible: 6.6
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 152
Number of AfriNIC addresses announced to Internet: 40605184
Equivalent to 2 /8s, 107 /16s and 150 /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 10150 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1570 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1539 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1504 192 52 CMNET-HUNAN-AP China Mobile communication
24547 825 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
17561 759 48 463 LCS-AS-AP LARUS Limited, HK
2907 642 2202 464 SINET-AS Research Organization of Informa
17676 473 8895 146 GIGAINFRA SoftBank Corp., JP
24445 469 497 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 12727 38948 3725 AMAZON-02, US
22773 3371 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2513 2931 1229 DNIC-ASBLK-00306-00371, US
4155 2363 171 1436 USDA-1, US
7018 2272 22924 1619 ATT-INTERNET4, US
36352 2200 183 982 AS-COLOCROSSING, US
11776 1895 257 214 ATLANTICBB-JOHNSTOWN, US
6167 1752 3488 444 CELLCO-PART, US
209 1680 4890 285 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 1243 97 991 AKAMAI-ASN1, NL
3215 893 4818 289 France Telecom - Orange, FR
3257 792 2069 694 GTT-BACKBONE GTT, US
62240 746 51 335 CLOUVIDER Clouvider - Global ASN, GB
25019 647 1024 134 SAUDINETSTC-AS, SA
8376 591 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
8452 549 1744 107 TE-AS TE-AS, EG
212238 536 39 473 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 5922 1663 821 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1764 262 1244 Telmex Colombia S.A., CO
3816 1329 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1110 371 22 Telefonica del Peru S.A.A., PE
26615 1012 2503 53 TIM SA, BR
18881 871 1127 31 TELEFONICA BRASIL S.A, BR
28006 641 77 293 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 633 90 53 ENTEL CHILE S.A., CL
13999 566 92 234 Mega Cable, S.A. de C.V., MX
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 1501 389 16 LINKdotNET-AS, EG
29571 1106 79 368 ORANGE-COTE-IVOIRE, CI
20011 978 180 282 INTERNET-SOLUTIONS, ZA
36992 637 1225 129 ETISALAT-MISR, EG
37069 614 1031 15 MOBINIL, EG
24835 584 402 141 RAYA-AS, EG
36935 563 520 41 Vodafone-, EG
36914 553 82 3 KENET-AS, KE
2018 379 319 71 TENET-1, ZA
36903 347 166 273 MT-MPLS, MA
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 12727 38948 3725 AMAZON-02, US
9808 10150 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 5922 1663 821 UNINET, MX
22773 3371 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2513 2931 1229 DNIC-ASBLK-00306-00371, US
4155 2363 171 1436 USDA-1, US
7018 2272 22924 1619 ATT-INTERNET4, US
36352 2200 183 982 AS-COLOCROSSING, US
11830 1992 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 10150 10063 CHINAMOBILE-CN China Mobile Communications Grou
8151 5922 5101 UNINET, MX
22773 3371 3191 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1895 1681 ATLANTICBB-JOHNSTOWN, US
24863 1501 1485 LINKdotNET-AS, EG
56041 1539 1461 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp
209 1680 1395 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
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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
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 /11:42 /12:149
/13:211 /14:565 /15:1086 /16:7530 /17:3376 /18:4147
/19:7441 /20:12240 /21:14917 /22:27286 /23:27171 /24:149976
/25:48 /26:77 /27:38 /28:17 /29:16 /30:10
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3174 5922 UNINET, MX
22773 2510 3371 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2265 12727 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 992 1764 Telmex Colombia S.A., CO
209 969 1680 CENTURYLINK-US-LEGACY-QWEST, US
19901 911 1129 BRSPD-PUBLIC, US
11776 897 1895 ATLANTICBB-JOHNSTOWN, US
36352 891 2200 AS-COLOCROSSING, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:62 2:476 3:565 4:5 5:775 6:152
7:5 8:634 11:171 12:982 13:294 14:115
15:297 16:234 17:5 18:885 20:117 21:4
22:188 23:2323 24:680 27:27 29:19 31:399
32:19 34:11 35:130 36:1235 37:568 38:2098
39:540 40:54 41:986 42:209 43:166 44:25
45:3806 46:964 47:88 49:29 50:338 51:374
52:1386 54:285 55:994 56:9 57:19 58:32
59:30 60:16 61:74 62:521 63:758 64:1720
65:1061 66:1512 67:934 68:378 69:1159 70:433
71:202 72:662 74:904 75:429 76:237 77:455
78:323 79:274 80:276 81:342 82:511 83:211
84:315 85:520 86:222 87:252 88:246 89:751
90:95 91:958 92:644 93:426 94:871 95:534
96:239 97:55 98:447 99:162 100:36 101:30
102:303 103:946 104:1131 105:209 106:35 107:1415
108:505 109:374 110:28 111:1909 112:459 113:39
114:49 115:20 116:50 117:1041 118:166 119:122
120:1165 121:40 122:117 123:146 124:55 125:25
128:449 129:281 130:650 131:944 132:539 133:211
134:447 135:114 136:584 137:508 138:1011 139:383
140:698 141:420 142:909 143:700 144:410 145:67
146:636 147:492 148:717 149:664 150:362 151:663
152:549 153:124 154:1446 155:764 156:1478 157:363
158:484 159:650 160:874 161:622 162:918 163:341
164:726 165:758 166:649 167:656 168:1527 169:145
170:1643 171:118 172:1169 173:775 174:231 175:45
176:440 177:1119 178:550 179:814 180:70 181:1857
182:49 183:872 184:442 185:3311 186:2389 187:1117
188:732 189:1489 190:5050 191:490 192:4850 193:1760
194:1165 195:913 196:626 197:1506 198:2568 199:4656
200:3957 201:3294 202:974 203:687 204:2072 205:1964
206:1550 207:1432 208:1269 209:1819 210:315 211:426
212:918 213:727 214:1013 215:36 216:2332 217:455
218:522 219:22 220:29 221:301 222:30 223:730
End of report
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