[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Feb 10 20:16:58 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Mon 10 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: 256909
Prefixes after maximum aggregation (per Origin AS): 111598
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 135687
Number of IPv4 prefixes with a valid ROA: 115505
Number of IPv4 prefixes with an invalid ROA: 19
Number of IPv4 prefixes with no ROA: 141385
Total ASes present in the Internet Routing Table: 20031
Prefixes per ASN: 12.83
Origin-only ASes present in the Internet Routing Table: 17189
Origin ASes announcing only one prefix: 7704
Transit ASes present in the Internet Routing Table: 2842
Transit-only ASes present in the Internet Routing Table: 737
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: 290
Number of instances of unregistered ASNs: 291
Number of 32-bit ASNs allocated by the RIRs: 46100
Number of 32-bit ASNs visible in the Routing Table: 7814
Prefixes from 32-bit ASNs in the Routing Table: 29214
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: 138
Number of addresses announced to Internet: 1539513341
Equivalent to 91 /8s, 195 /16s and 27 /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: 81142
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31795
Total APNIC prefixes after maximum aggregation: 7748
APNIC Deaggregation factor: 4.10
Prefixes being announced from the APNIC address blocks: 30449
Unique aggregates announced from the APNIC address blocks: 8047
APNIC Region origin ASes present in the Internet Routing Table: 1129
APNIC Prefixes per ASN: 26.97
APNIC Region origin ASes announcing only one prefix: 442
APNIC Region transit ASes present in the Internet Routing Table: 220
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: 485
Number of APNIC addresses announced to Internet: 168976492
Equivalent to 10 /8s, 18 /16s and 96 /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: 118454
Total ARIN prefixes after maximum aggregation: 60862
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 116620
Unique aggregates announced from the ARIN address blocks: 62455
ARIN Region origin ASes present in the Internet Routing Table: 9028
ARIN Prefixes per ASN: 12.92
ARIN Region origin ASes announcing only one prefix: 3799
ARIN Region transit ASes present in the Internet Routing Table: 845
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: 2043
Number of ARIN addresses announced to Internet: 950202497
Equivalent to 56 /8s, 162 /16s and 240 /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: 46524
Total RIPE prefixes after maximum aggregation: 25232
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 47972
Unique aggregates announced from the RIPE address blocks: 35379
RIPE Region origin ASes present in the Internet Routing Table: 4481
RIPE Prefixes per ASN: 10.71
RIPE Region origin ASes announcing only one prefix: 1874
RIPE Region transit ASes present in the Internet Routing Table: 676
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: 1794
Number of RIPE addresses announced to Internet: 280090832
Equivalent to 16 /8s, 177 /16s and 216 /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: 49432
Total LACNIC prefixes after maximum aggregation: 14914
LACNIC Deaggregation factor: 3.31
Prefixes being announced from the LACNIC address blocks: 48185
Unique aggregates announced from the LACNIC address blocks: 23090
LACNIC Region origin ASes present in the Internet Routing Table: 4247
LACNIC Prefixes per ASN: 11.35
LACNIC Region origin ASes announcing only one prefix: 1464
LACNIC Region transit ASes present in the Internet Routing Table: 888
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3334
Number of LACNIC addresses announced to Internet: 99450176
Equivalent to 5 /8s, 237 /16s and 125 /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: 10414
Total AfriNIC prefixes after maximum aggregation: 2636
AfriNIC Deaggregation factor: 3.95
Prefixes being announced from the AfriNIC address blocks: 13545
Unique aggregates announced from the AfriNIC address blocks: 6600
AfriNIC Region origin ASes present in the Internet Routing Table: 285
AfriNIC Prefixes per ASN: 47.53
AfriNIC Region origin ASes announcing only one prefix: 125
AfriNIC Region transit ASes present in the Internet Routing Table: 76
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: 158
Number of AfriNIC addresses announced to Internet: 40731136
Equivalent to 2 /8s, 109 /16s and 130 /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 10149 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 750 48 467 LCS-AS-AP LARUS Limited, HK
2907 642 2202 464 SINET-AS Research Organization of Informa
17676 474 8911 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 12725 38947 3715 AMAZON-02, US
22773 3373 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2518 2950 1208 DNIC-ASBLK-00306-00371, US
4155 2357 171 1427 USDA-1, US
7018 2273 22923 1620 ATT-INTERNET4, US
36352 2173 182 984 AS-COLOCROSSING, US
11776 1895 257 214 ATLANTICBB-JOHNSTOWN, US
6167 1751 3487 443 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 1229 96 982 AKAMAI-ASN1, NL
3215 893 4818 289 France Telecom - Orange, FR
3257 792 2069 694 GTT-BACKBONE GTT, US
62240 745 51 334 CLOUVIDER Clouvider - Global ASN, GB
25019 647 1024 134 SAUDINETSTC-AS, SA
8452 623 1756 123 TE-AS TE-AS, EG
8376 594 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 538 39 472 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 6138 1769 781 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1764 262 1244 Telmex Colombia S.A., CO
3816 1330 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 864 1127 31 TELEFONICA BRASIL S.A, BR
28006 641 77 293 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 633 90 53 ENTEL CHILE S.A., CL
26599 560 2888 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 1501 389 16 LINKdotNET-AS, EG
29571 1105 78 367 ORANGE-COTE-IVOIRE, CI
20011 978 180 282 INTERNET-SOLUTIONS, ZA
24835 795 379 137 RAYA-AS, EG
36992 637 1225 129 ETISALAT-MISR, EG
37069 610 1031 15 MOBINIL, EG
36935 572 519 46 Vodafone-, EG
36914 556 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 12725 38947 3715 AMAZON-02, US
9808 10149 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6138 1769 781 UNINET, MX
22773 3373 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2518 2950 1208 DNIC-ASBLK-00306-00371, US
4155 2357 171 1427 USDA-1, US
7018 2273 22923 1620 ATT-INTERNET4, US
36352 2173 182 984 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 10149 10062 CHINAMOBILE-CN China Mobile Communications Grou
8151 6138 5357 UNINET, MX
22773 3373 3193 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 /14:564 /15:1086 /16:7531 /17:3405 /18:4138
/19:7502 /20:12255 /21:14931 /22:27337 /23:27186 /24:150310
/25:48 /26:77 /27:38 /28:17 /29:16 /30:10
/31:0 /32:4
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3231 6138 UNINET, MX
22773 2512 3373 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2267 12725 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 909 1122 BRSPD-PUBLIC, US
11776 897 1895 ATLANTICBB-JOHNSTOWN, US
36352 885 2173 AS-COLOCROSSING, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:61 2:473 3:565 4:5 5:776 6:152
7:5 8:656 11:171 12:981 13:295 14:115
15:297 16:234 17:5 18:885 20:117 21:4
22:188 23:2316 24:682 27:28 29:19 31:402
32:17 34:11 35:130 36:1232 37:580 38:2082
39:540 40:54 41:999 42:198 43:165 44:26
45:3803 46:977 47:87 49:27 50:358 51:374
52:1387 54:285 55:1098 56:9 57:19 58:32
59:30 60:16 61:74 62:530 63:757 64:1728
65:1064 66:1516 67:936 68:385 69:1167 70:435
71:202 72:669 74:915 75:429 76:238 77:453
78:318 79:278 80:272 81:346 82:491 83:204
84:312 85:517 86:222 87:258 88:246 89:748
90:95 91:961 92:647 93:434 94:861 95:537
96:239 97:55 98:449 99:162 100:36 101:30
102:322 103:941 104:1145 105:208 106:35 107:1416
108:504 109:386 110:28 111:1909 112:459 113:39
114:48 115:29 116:50 117:1041 118:166 119:122
120:1165 121:40 122:117 123:145 124:55 125:25
128:450 129:279 130:649 131:937 132:552 133:211
134:451 135:116 136:581 137:503 138:1007 139:387
140:697 141:421 142:908 143:709 144:407 145:70
146:631 147:490 148:719 149:636 150:361 151:661
152:574 153:124 154:1477 155:761 156:1457 157:363
158:484 159:652 160:872 161:618 162:935 163:340
164:726 165:757 166:647 167:659 168:1539 169:145
170:1657 171:118 172:1179 173:773 174:230 175:45
176:433 177:1130 178:548 179:818 180:70 181:1841
182:48 183:872 184:443 185:3331 186:2394 187:1151
188:740 189:1461 190:5037 191:487 192:4853 193:1760
194:1159 195:901 196:629 197:1542 198:2556 199:4647
200:3958 201:3305 202:970 203:686 204:2067 205:1961
206:1550 207:1432 208:1276 209:1841 210:319 211:426
212:915 213:724 214:1011 215:36 216:2352 217:449
218:523 219:22 220:29 221:301 222:30 223:732
End of report
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