[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Jan 27 20:17:06 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Mon 27 Jan, 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: 256879
Prefixes after maximum aggregation (per Origin AS): 112051
Deaggregation factor: 2.29
Unique aggregates announced (without unneeded subnets): 135393
Number of IPv4 prefixes with a valid ROA: 114484
Number of IPv4 prefixes with an invalid ROA: 19
Number of IPv4 prefixes with no ROA: 142376
Total ASes present in the Internet Routing Table: 20044
Prefixes per ASN: 12.82
Origin-only ASes present in the Internet Routing Table: 17202
Origin ASes announcing only one prefix: 7664
Transit ASes present in the Internet Routing Table: 2842
Transit-only ASes present in the Internet Routing Table: 729
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: 293
Number of instances of unregistered ASNs: 294
Number of 32-bit ASNs allocated by the RIRs: 46076
Number of 32-bit ASNs visible in the Routing Table: 7839
Prefixes from 32-bit ASNs in the Routing Table: 29898
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: 147
Number of addresses announced to Internet: 1525659133
Equivalent to 90 /8s, 239 /16s and 181 /24s
Percentage of available address space announced: 41.2
Percentage of allocated address space announced: 41.2
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: 81764
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31637
Total APNIC prefixes after maximum aggregation: 7709
APNIC Deaggregation factor: 4.10
Prefixes being announced from the APNIC address blocks: 30373
Unique aggregates announced from the APNIC address blocks: 8019
APNIC Region origin ASes present in the Internet Routing Table: 1106
APNIC Prefixes per ASN: 27.46
APNIC Region origin ASes announcing only one prefix: 425
APNIC Region transit ASes present in the Internet Routing Table: 226
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: 483
Number of APNIC addresses announced to Internet: 170824044
Equivalent to 10 /8s, 46 /16s and 145 /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: 119166
Total ARIN prefixes after maximum aggregation: 61391
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 117396
Unique aggregates announced from the ARIN address blocks: 62926
ARIN Region origin ASes present in the Internet Routing Table: 9074
ARIN Prefixes per ASN: 12.94
ARIN Region origin ASes announcing only one prefix: 3809
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: 2047
Number of ARIN addresses announced to Internet: 952267393
Equivalent to 56 /8s, 194 /16s and 114 /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: 45576
Total RIPE prefixes after maximum aggregation: 25027
RIPE Deaggregation factor: 1.82
Prefixes being announced from the RIPE address blocks: 47196
Unique aggregates announced from the RIPE address blocks: 35161
RIPE Region origin ASes present in the Internet Routing Table: 4414
RIPE Prefixes per ASN: 10.69
RIPE Region origin ASes announcing only one prefix: 1838
RIPE Region transit ASes present in the Internet Routing Table: 659
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1769
Number of RIPE addresses announced to Internet: 262388432
Equivalent to 15 /8s, 163 /16s and 186 /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: 50146
Total LACNIC prefixes after maximum aggregation: 15078
LACNIC Deaggregation factor: 3.33
Prefixes being announced from the LACNIC address blocks: 48864
Unique aggregates announced from the LACNIC address blocks: 23104
LACNIC Region origin ASes present in the Internet Routing Table: 4299
LACNIC Prefixes per ASN: 11.37
LACNIC Region origin ASes announcing only one prefix: 1468
LACNIC Region transit ASes present in the Internet Routing Table: 901
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: 3390
Number of LACNIC addresses announced to Internet: 99682368
Equivalent to 5 /8s, 241 /16s and 8 /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: 10061
Total AfriNIC prefixes after maximum aggregation: 2638
AfriNIC Deaggregation factor: 3.81
Prefixes being announced from the AfriNIC address blocks: 12903
Unique aggregates announced from the AfriNIC address blocks: 6058
AfriNIC Region origin ASes present in the Internet Routing Table: 294
AfriNIC Prefixes per ASN: 43.89
AfriNIC Region origin ASes announcing only one prefix: 124
AfriNIC Region transit ASes present in the Internet Routing Table: 73
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: 150
Number of AfriNIC addresses announced to Internet: 40428032
Equivalent to 2 /8s, 104 /16s and 226 /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 10151 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
2907 642 2202 464 SINET-AS Research Organization of Informa
17561 622 40 388 LCS-AS-AP LARUS Limited, HK
17676 481 9343 152 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 12621 38876 3712 AMAZON-02, US
22773 3377 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2543 3017 1220 DNIC-ASBLK-00306-00371, US
7018 2515 23069 1780 ATT-INTERNET4, US
4155 2331 166 1413 USDA-1, US
36352 2156 179 958 AS-COLOCROSSING, US
11776 1888 257 216 ATLANTICBB-JOHNSTOWN, US
6167 1740 3431 442 CELLCO-PART, US
209 1652 4892 287 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 1239 97 991 AKAMAI-ASN1, NL
3215 892 4818 289 France Telecom - Orange, FR
3257 793 2069 695 GTT-BACKBONE GTT, US
8452 620 1756 124 TE-AS TE-AS, EG
25019 601 1007 132 SAUDINETSTC-AS, SA
8376 583 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 543 39 483 CDNEXT, GB
47524 477 70 220 AS-TURKSAT, TR
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 5966 1732 779 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1763 262 1244 Telmex Colombia S.A., CO
3816 1327 777 209 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1109 371 22 Telefonica del Peru S.A.A., PE
26615 1002 2503 53 TIM SA, BR
18881 869 1127 31 TELEFONICA BRASIL S.A, BR
27651 725 106 49 ENTEL CHILE S.A., CL
28006 641 77 293 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 558 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 1520 389 16 LINKdotNET-AS, EG
20011 978 180 282 INTERNET-SOLUTIONS, ZA
24835 800 381 135 RAYA-AS, EG
36992 637 1225 129 ETISALAT-MISR, EG
37069 606 1031 15 MOBINIL, EG
36935 592 522 53 Vodafone-, EG
29571 577 54 325 ORANGE-COTE-IVOIRE, CI
36914 549 82 3 KENET-AS, KE
36903 396 185 288 MT-MPLS, MA
2018 379 319 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 12621 38876 3712 AMAZON-02, US
9808 10151 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 5966 1732 779 UNINET, MX
22773 3377 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2543 3017 1220 DNIC-ASBLK-00306-00371, US
7018 2515 23069 1780 ATT-INTERNET4, US
4155 2331 166 1413 USDA-1, US
36352 2156 179 958 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 10151 10064 CHINAMOBILE-CN China Mobile Communications Grou
8151 5966 5187 UNINET, MX
22773 3377 3197 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1888 1672 ATLANTICBB-JOHNSTOWN, US
24863 1520 1504 LINKdotNET-AS, EG
56041 1539 1461 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp
56046 1570 1391 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
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 /11:40 /12:146
/13:208 /14:557 /15:1081 /16:7515 /17:3385 /18:4116
/19:7494 /20:12245 /21:14954 /22:27547 /23:27412 /24:149916
/25:48 /26:77 /27:39 /28:17 /29:16 /30:10
/31:0 /32:4
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3151 5966 UNINET, MX
22773 2516 3377 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2256 12621 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 991 1763 Telmex Colombia S.A., CO
7018 988 2515 ATT-INTERNET4, US
209 946 1652 CENTURYLINK-US-LEGACY-QWEST, US
19901 906 1113 BRSPD-PUBLIC, US
11776 895 1888 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:49 2:478 3:561 4:5 5:807 6:152
7:5 8:658 11:171 12:978 13:288 14:114
15:295 16:234 17:5 18:876 20:157 21:4
22:188 23:2346 24:691 27:29 29:19 31:444
32:19 34:7 35:112 36:1226 37:578 38:1952
39:540 40:53 41:952 42:209 43:164 44:32
45:3817 46:937 47:88 49:27 50:358 51:374
52:1386 54:285 55:1083 56:9 57:16 58:32
59:28 60:16 61:77 62:535 63:766 64:1818
65:1091 66:1568 67:943 68:426 69:1187 70:433
71:204 72:674 74:908 75:429 76:242 77:427
78:324 79:281 80:261 81:355 82:360 83:199
84:328 85:508 86:219 87:227 88:261 89:636
90:62 91:971 92:634 93:447 94:857 95:572
96:239 97:55 98:471 99:163 100:36 101:27
102:312 103:894 104:1153 105:128 106:36 107:1417
108:510 109:385 110:30 111:1909 112:458 113:39
114:49 115:24 116:57 117:1050 118:167 119:116
120:1165 121:40 122:123 123:147 124:54 125:24
128:449 129:278 130:653 131:929 132:563 133:212
134:434 135:113 136:589 137:493 138:1008 139:385
140:693 141:328 142:917 143:686 144:404 145:72
146:643 147:487 148:738 149:637 150:367 151:670
152:694 153:124 154:1131 155:769 156:1355 157:368
158:480 159:687 160:602 161:579 162:928 163:352
164:722 165:803 166:615 167:637 168:1584 169:147
170:1646 171:103 172:1170 173:775 174:230 175:36
176:417 177:1279 178:493 179:808 180:69 181:1918
182:36 183:874 184:456 185:3229 186:2412 187:1190
188:747 189:1467 190:5057 191:489 192:4912 193:1715
194:1137 195:875 196:717 197:1656 198:2550 199:4590
200:3967 201:3333 202:958 203:673 204:2069 205:1967
206:1563 207:1462 208:1280 209:1901 210:296 211:426
212:997 213:750 214:1010 215:36 216:2419 217:435
218:523 219:22 220:25 221:301 222:30 223:733
End of report
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