[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Feb 9 20:16:54 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sun 09 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: 257014
Prefixes after maximum aggregation (per Origin AS): 111616
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 135844
Number of IPv4 prefixes with a valid ROA: 115434
Number of IPv4 prefixes with an invalid ROA: 20
Number of IPv4 prefixes with no ROA: 141560
Total ASes present in the Internet Routing Table: 19976
Prefixes per ASN: 12.87
Origin-only ASes present in the Internet Routing Table: 17136
Origin ASes announcing only one prefix: 7648
Transit ASes present in the Internet Routing Table: 2840
Transit-only ASes present in the Internet Routing Table: 739
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: 286
Number of instances of unregistered ASNs: 287
Number of 32-bit ASNs allocated by the RIRs: 46100
Number of 32-bit ASNs visible in the Routing Table: 7786
Prefixes from 32-bit ASNs in the Routing Table: 29152
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: 137
Number of addresses announced to Internet: 1540367613
Equivalent to 91 /8s, 208 /16s and 36 /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: 81223
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31851
Total APNIC prefixes after maximum aggregation: 7803
APNIC Deaggregation factor: 4.08
Prefixes being announced from the APNIC address blocks: 30431
Unique aggregates announced from the APNIC address blocks: 8051
APNIC Region origin ASes present in the Internet Routing Table: 1133
APNIC Prefixes per ASN: 26.86
APNIC Region origin ASes announcing only one prefix: 435
APNIC Region transit ASes present in the Internet Routing Table: 222
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: 499
Number of APNIC addresses announced to Internet: 168850028
Equivalent to 10 /8s, 16 /16s and 114 /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: 118233
Total ARIN prefixes after maximum aggregation: 60645
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 116398
Unique aggregates announced from the ARIN address blocks: 62279
ARIN Region origin ASes present in the Internet Routing Table: 8969
ARIN Prefixes per ASN: 12.98
ARIN Region origin ASes announcing only one prefix: 3764
ARIN Region transit ASes present in the Internet Routing Table: 844
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: 2024
Number of ARIN addresses announced to Internet: 949891969
Equivalent to 56 /8s, 158 /16s and 51 /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: 46501
Total RIPE prefixes after maximum aggregation: 25246
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 47911
Unique aggregates announced from the RIPE address blocks: 35286
RIPE Region origin ASes present in the Internet Routing Table: 4462
RIPE Prefixes per ASN: 10.74
RIPE Region origin ASes announcing only one prefix: 1852
RIPE Region transit ASes present in the Internet Routing Table: 659
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: 1769
Number of RIPE addresses announced to Internet: 281656528
Equivalent to 16 /8s, 201 /16s and 188 /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: 49299
Total LACNIC prefixes after maximum aggregation: 15007
LACNIC Deaggregation factor: 3.29
Prefixes being announced from the LACNIC address blocks: 48054
Unique aggregates announced from the LACNIC address blocks: 23189
LACNIC Region origin ASes present in the Internet Routing Table: 4257
LACNIC Prefixes per ASN: 11.29
LACNIC Region origin ASes announcing only one prefix: 1469
LACNIC Region transit ASes present in the Internet Routing Table: 889
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: 3336
Number of LACNIC addresses announced to Internet: 98982208
Equivalent to 5 /8s, 230 /16s and 89 /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: 10844
Total AfriNIC prefixes after maximum aggregation: 2713
AfriNIC Deaggregation factor: 4.00
Prefixes being announced from the AfriNIC address blocks: 14083
Unique aggregates announced from the AfriNIC address blocks: 6924
AfriNIC Region origin ASes present in the Internet Routing Table: 295
AfriNIC Prefixes per ASN: 47.74
AfriNIC Region origin ASes announcing only one prefix: 128
AfriNIC Region transit ASes present in the Internet Routing Table: 78
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: 40925696
Equivalent to 2 /8s, 112 /16s and 122 /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
17561 803 51 486 LCS-AS-AP LARUS Limited, HK
24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 642 2202 464 SINET-AS Research Organization of Informa
24445 469 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
56040 465 488 101 CMNET-GUANGDONG-AP China Mobile communica
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 12728 38946 3725 AMAZON-02, US
22773 3373 3016 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
367 2513 2946 1202 DNIC-ASBLK-00306-00371, US
4155 2362 171 1433 USDA-1, US
7018 2275 22924 1622 ATT-INTERNET4, US
36352 2175 182 985 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 1230 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 533 39 470 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 5909 1643 823 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 1108 371 22 Telefonica del Peru S.A.A., PE
26615 1008 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
24835 994 404 138 RAYA-AS, EG
20011 978 180 282 INTERNET-SOLUTIONS, ZA
36992 637 1225 129 ETISALAT-MISR, EG
37069 610 1031 15 MOBINIL, EG
36935 573 519 46 Vodafone-, EG
36914 552 82 3 KENET-AS, KE
36903 388 183 284 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 12728 38946 3725 AMAZON-02, US
9808 10149 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 5909 1643 823 UNINET, MX
22773 3373 3016 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
367 2513 2946 1202 DNIC-ASBLK-00306-00371, US
4155 2362 171 1433 USDA-1, US
7018 2275 22924 1622 ATT-INTERNET4, US
36352 2175 182 985 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 5909 5086 UNINET, MX
22773 3373 3194 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
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 /11:42 /12:149
/13:211 /14:565 /15:1088 /16:7524 /17:3413 /18:4128
/19:7468 /20:12205 /21:14869 /22:27574 /23:27165 /24:150351
/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 3176 5909 UNINET, MX
22773 2513 3373 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2268 12728 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 1126 BRSPD-PUBLIC, US
11776 897 1895 ATLANTICBB-JOHNSTOWN, US
36352 886 2175 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 5:782 6:152
7:5 8:656 11:171 12:980 13:296 14:115
15:297 16:234 17:5 18:884 20:117 21:4
22:188 23:2306 24:680 27:25 29:19 31:404
32:19 34:11 35:124 36:1230 37:562 38:2089
39:540 40:54 41:1068 42:209 43:163 44:26
45:3821 46:969 47:82 49:27 50:340 51:373
52:1387 54:285 55:1097 56:9 57:19 58:32
59:25 60:16 61:74 62:536 63:760 64:1724
65:1066 66:1502 67:936 68:371 69:1162 70:435
71:203 72:663 74:908 75:429 76:261 77:448
78:318 79:276 80:278 81:348 82:457 83:206
84:319 85:516 86:221 87:256 88:241 89:743
90:95 91:961 92:643 93:417 94:860 95:548
96:240 97:55 98:446 99:161 100:35 101:30
102:334 103:951 104:1129 105:222 106:35 107:1418
108:505 109:382 110:28 111:1909 112:459 113:39
114:49 115:32 116:50 117:1041 118:167 119:121
120:1165 121:40 122:119 123:146 124:54 125:25
128:450 129:279 130:650 131:937 132:553 133:211
134:450 135:114 136:580 137:502 138:1007 139:384
140:696 141:419 142:907 143:715 144:397 145:68
146:627 147:489 148:717 149:636 150:362 151:660
152:574 153:124 154:1525 155:759 156:1482 157:362
158:494 159:659 160:876 161:622 162:930 163:341
164:732 165:755 166:649 167:655 168:1535 169:145
170:1641 171:120 172:1181 173:765 174:230 175:45
176:434 177:1139 178:545 179:820 180:70 181:1847
182:48 183:872 184:451 185:3311 186:2399 187:1108
188:736 189:1481 190:5063 191:484 192:4846 193:1758
194:1159 195:913 196:631 197:1643 198:2545 199:4653
200:3901 201:3325 202:970 203:681 204:2055 205:1947
206:1545 207:1431 208:1273 209:1835 210:311 211:427
212:918 213:725 214:1011 215:36 216:2346 217:445
218:523 219:22 220:25 221:301 222:30 223:732
End of report
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