[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 3 20:16:57 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Mon 03 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: 257143
Prefixes after maximum aggregation (per Origin AS): 111850
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 136198
Number of IPv4 prefixes with a valid ROA: 114714
Number of IPv4 prefixes with an invalid ROA: 19
Number of IPv4 prefixes with no ROA: 142410
Total ASes present in the Internet Routing Table: 20020
Prefixes per ASN: 12.84
Origin-only ASes present in the Internet Routing Table: 17180
Origin ASes announcing only one prefix: 7674
Transit ASes present in the Internet Routing Table: 2840
Transit-only ASes present in the Internet Routing Table: 735
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: 46096
Number of 32-bit ASNs visible in the Routing Table: 7835
Prefixes from 32-bit ASNs in the Routing Table: 29422
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: 143
Number of addresses announced to Internet: 1522723837
Equivalent to 90 /8s, 194 /16s and 235 /24s
Percentage of available address space announced: 41.1
Percentage of allocated address space announced: 41.1
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: 81351
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31436
Total APNIC prefixes after maximum aggregation: 7730
APNIC Deaggregation factor: 4.07
Prefixes being announced from the APNIC address blocks: 30199
Unique aggregates announced from the APNIC address blocks: 8277
APNIC Region origin ASes present in the Internet Routing Table: 1129
APNIC Prefixes per ASN: 26.75
APNIC Region origin ASes announcing only one prefix: 427
APNIC Region transit ASes present in the Internet Routing Table: 224
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: 489
Number of APNIC addresses announced to Internet: 168545644
Equivalent to 10 /8s, 11 /16s and 205 /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: 118769
Total ARIN prefixes after maximum aggregation: 60991
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 117114
Unique aggregates announced from the ARIN address blocks: 62486
ARIN Region origin ASes present in the Internet Routing Table: 9051
ARIN Prefixes per ASN: 12.94
ARIN Region origin ASes announcing only one prefix: 3816
ARIN Region transit ASes present in the Internet Routing Table: 840
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: 2048
Number of ARIN addresses announced to Internet: 950353537
Equivalent to 56 /8s, 165 /16s and 62 /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: 46135
Total RIPE prefixes after maximum aggregation: 25087
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 47448
Unique aggregates announced from the RIPE address blocks: 35268
RIPE Region origin ASes present in the Internet Routing Table: 4386
RIPE Prefixes per ASN: 10.82
RIPE Region origin ASes announcing only one prefix: 1828
RIPE Region transit ASes present in the Internet Routing Table: 657
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: 1755
Number of RIPE addresses announced to Internet: 263584720
Equivalent to 15 /8s, 181 /16s and 251 /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: 49787
Total LACNIC prefixes after maximum aggregation: 15103
LACNIC Deaggregation factor: 3.30
Prefixes being announced from the LACNIC address blocks: 48526
Unique aggregates announced from the LACNIC address blocks: 23398
LACNIC Region origin ASes present in the Internet Routing Table: 4291
LACNIC Prefixes per ASN: 11.31
LACNIC Region origin ASes announcing only one prefix: 1472
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: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3381
Number of LACNIC addresses announced to Internet: 99540800
Equivalent to 5 /8s, 238 /16s and 223 /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: 10726
Total AfriNIC prefixes after maximum aggregation: 2735
AfriNIC Deaggregation factor: 3.92
Prefixes being announced from the AfriNIC address blocks: 13713
Unique aggregates announced from the AfriNIC address blocks: 6648
AfriNIC Region origin ASes present in the Internet Routing Table: 305
AfriNIC Prefixes per ASN: 44.96
AfriNIC Region origin ASes announcing only one prefix: 131
AfriNIC Region transit ASes present in the Internet Routing Table: 80
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: 162
Number of AfriNIC addresses announced to Internet: 40633088
Equivalent to 2 /8s, 108 /16s and 3 /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 673 43 408 LCS-AS-AP LARUS Limited, HK
2907 642 2202 464 SINET-AS Research Organization of Informa
24445 469 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 465 741 134 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 12693 38940 3737 AMAZON-02, US
22773 3379 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
367 2574 3023 1241 DNIC-ASBLK-00306-00371, US
7018 2538 23074 1803 ATT-INTERNET4, US
4155 2356 171 1429 USDA-1, US
36352 2092 176 943 AS-COLOCROSSING, US
11776 1890 257 214 ATLANTICBB-JOHNSTOWN, US
6167 1740 3431 442 CELLCO-PART, US
209 1683 4892 286 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 1238 96 992 AKAMAI-ASN1, NL
3215 891 4818 289 France Telecom - Orange, FR
3257 791 2069 694 GTT-BACKBONE GTT, US
62240 752 51 333 CLOUVIDER Clouvider - Global ASN, GB
25019 647 1024 134 SAUDINETSTC-AS, SA
8452 623 1756 123 TE-AS TE-AS, EG
8376 584 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 542 39 479 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 5874 1674 785 UNINET, MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
10620 1763 262 1244 Telmex Colombia S.A., CO
3816 1328 777 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1104 371 22 Telefonica del Peru S.A.A., PE
26615 1002 2503 53 TIM SA, BR
18881 862 1127 31 TELEFONICA BRASIL S.A, BR
27651 725 106 50 ENTEL CHILE S.A., CL
28006 641 77 293 CORPORACION NACIONAL DE TELECOMUNICACIONE
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 1500 389 16 LINKdotNET-AS, EG
29571 1105 78 367 ORANGE-COTE-IVOIRE, CI
20011 978 180 282 INTERNET-SOLUTIONS, ZA
24835 800 381 135 RAYA-AS, EG
36992 637 1225 129 ETISALAT-MISR, EG
37069 610 1031 15 MOBINIL, EG
36935 592 522 53 Vodafone-, EG
36914 553 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 12693 38940 3737 AMAZON-02, US
9808 10149 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 5874 1674 785 UNINET, MX
22773 3379 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
367 2574 3023 1241 DNIC-ASBLK-00306-00371, US
7018 2538 23074 1803 ATT-INTERNET4, US
4155 2356 171 1429 USDA-1, US
36352 2092 176 943 AS-COLOCROSSING, US
11830 1991 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 5874 5089 UNINET, MX
22773 3379 3199 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1991 1927 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1890 1676 ATLANTICBB-JOHNSTOWN, US
24863 1500 1484 LINKdotNET-AS, EG
56041 1539 1461 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp
209 1683 1397 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
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 /12:144
/13:206 /14:556 /15:1079 /16:7486 /17:3391 /18:4124
/19:7507 /20:12394 /21:14888 /22:27403 /23:27295 /24:150368
/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 3148 5874 UNINET, MX
22773 2518 3379 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2272 12693 AMAZON-02, US
11830 1692 1991 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
7018 1004 2538 ATT-INTERNET4, US
10620 991 1763 Telmex Colombia S.A., CO
209 970 1683 CENTURYLINK-US-LEGACY-QWEST, US
19901 912 1126 BRSPD-PUBLIC, US
11776 897 1890 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:58 2:467 3:564 4:5 5:797 6:152
7:5 8:653 11:171 12:974 13:292 14:112
15:297 16:234 17:5 18:881 20:108 21:4
22:188 23:2353 24:681 27:28 29:19 31:400
32:19 34:8 35:120 36:1227 37:623 38:2055
39:540 40:53 41:1056 42:183 43:164 44:27
45:3793 46:941 47:88 49:33 50:360 51:374
52:1387 54:286 55:1141 56:9 57:18 58:32
59:28 60:16 61:76 62:526 63:767 64:1756
65:1077 66:1534 67:929 68:421 69:1189 70:435
71:203 72:662 74:896 75:429 76:264 77:450
78:308 79:283 80:262 81:347 82:447 83:200
84:324 85:517 86:218 87:239 88:242 89:741
90:62 91:956 92:633 93:434 94:824 95:528
96:237 97:55 98:461 99:162 100:36 101:28
102:383 103:941 104:1128 105:130 106:41 107:1401
108:508 109:381 110:25 111:1913 112:460 113:36
114:44 115:24 116:52 117:1051 118:99 119:112
120:1165 121:40 122:70 123:84 124:51 125:24
128:451 129:275 130:661 131:930 132:561 133:211
134:437 135:113 136:589 137:489 138:1013 139:391
140:700 141:425 142:917 143:680 144:406 145:69
146:630 147:488 148:743 149:621 150:365 151:678
152:652 153:124 154:1393 155:772 156:1378 157:366
158:517 159:652 160:885 161:577 162:934 163:348
164:726 165:821 166:650 167:651 168:1543 169:146
170:1651 171:113 172:1176 173:761 174:230 175:48
176:445 177:1130 178:550 179:813 180:69 181:1915
182:43 183:872 184:450 185:3249 186:2406 187:1169
188:744 189:1491 190:5078 191:480 192:4879 193:1746
194:1118 195:907 196:735 197:1639 198:2549 199:4605
200:3984 201:3315 202:969 203:676 204:2062 205:1973
206:1561 207:1441 208:1281 209:1848 210:313 211:427
212:903 213:716 214:1008 215:36 216:2396 217:437
218:523 219:22 220:25 221:301 222:30 223:732
End of report
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