[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Fri Jul 21 20:15:40 UTC 2023
IPv4 R&E Routing Table Report 20:15 GMT Fri 21 Jul, 2023
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: 20832
Prefixes after maximum aggregation (per Origin AS): 11395
Deaggregation factor: 1.83
Unique aggregates announced (without unneeded subnets): 12623
Number of IPv4 prefixes with a valid ROA: 6643
Number of IPv4 prefixes with an invalid ROA: 31
Number of IPv4 prefixes with no ROA: 14158
Total ASes present in the Internet Routing Table: 2822
Prefixes per ASN: 7.38
Origin-only ASes present in the Internet Routing Table: 2419
Origin ASes announcing only one prefix: 1063
Transit ASes present in the Internet Routing Table: 403
Transit-only ASes present in the Internet Routing Table: 95
Paths with bogon ASNs present in the IPv4 Routing Table: 2
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 19
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 3
Number of instances of unregistered ASNs: 3
Number of 32-bit ASNs allocated by the RIRs: 42274
Number of 32-bit ASNs visible in the Routing Table: 632
Prefixes from 32-bit ASNs in the Routing Table: 1915
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 4
Number of addresses announced to Internet: 271194381
Equivalent to 16 /8s, 42 /16s and 25 /24s
Percentage of available address space announced: 7.3
Percentage of allocated address space announced: 7.3
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: 2652
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 5003
Total APNIC prefixes after maximum aggregation: 2364
APNIC Deaggregation factor: 2.12
Prefixes being announced from the APNIC address blocks: 4862
Unique aggregates announced from the APNIC address blocks: 2691
APNIC Region origin ASes present in the Internet Routing Table: 537
APNIC Prefixes per ASN: 9.05
APNIC Region origin ASes announcing only one prefix: 221
APNIC Region transit ASes present in the Internet Routing Table: 63
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 200
Number of APNIC addresses announced to Internet: 47524460
Equivalent to 2 /8s, 213 /16s and 42 /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: 9784
Total ARIN prefixes after maximum aggregation: 5378
ARIN Deaggregation factor: 1.82
Prefixes being announced from the ARIN address blocks: 9791
Unique aggregates announced from the ARIN address blocks: 5846
ARIN Region origin ASes present in the Internet Routing Table: 1271
ARIN Prefixes per ASN: 7.70
ARIN Region origin ASes announcing only one prefix: 446
ARIN Region transit ASes present in the Internet Routing Table: 166
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 194
Number of ARIN addresses announced to Internet: 148621057
Equivalent to 8 /8s, 219 /16s and 199 /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, 393216-401308
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, 47/8, 48/8, 50/8, 52/8, 53/8,
54/8, 55/8, 56/8, 57/8, 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: 3690
Total RIPE prefixes after maximum aggregation: 2905
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3816
Unique aggregates announced from the RIPE address blocks: 3063
RIPE Region origin ASes present in the Internet Routing Table: 703
RIPE Prefixes per ASN: 5.43
RIPE Region origin ASes announcing only one prefix: 309
RIPE Region transit ASes present in the Internet Routing Table: 113
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 145
Number of RIPE addresses announced to Internet: 67495680
Equivalent to 4 /8s, 5 /16s and 231 /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
196608-213403
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
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: 1445
Total LACNIC prefixes after maximum aggregation: 574
LACNIC Deaggregation factor: 2.52
Prefixes being announced from the LACNIC address blocks: 1444
Unique aggregates announced from the LACNIC address blocks: 787
LACNIC Region origin ASes present in the Internet Routing Table: 164
LACNIC Prefixes per ASN: 8.80
LACNIC Region origin ASes announcing only one prefix: 62
LACNIC Region transit ASes present in the Internet Routing Table: 27
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 67
Number of LACNIC addresses announced to Internet: 4758176
Equivalent to 0 /8s, 72 /16s and 154 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 907
Total AfriNIC prefixes after maximum aggregation: 171
AfriNIC Deaggregation factor: 5.30
Prefixes being announced from the AfriNIC address blocks: 915
Unique aggregates announced from the AfriNIC address blocks: 232
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 18.30
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2793728
Equivalent to 0 /8s, 42 /16s and 161 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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
2907 608 2147 466 SINET-AS Research Organization of Infor
7497 434 180 23 CSTNET-AS-AP Computer Network Informati
45102 321 544 104 ALIBABA-CN-NET Alibaba US Technology Co
1237 198 74 139 KREONET-AS-KR KISTI, KR
58647 178 18 2 KAGAWAU-AS Kagawa University, JP
7575 177 329 120 AARNET-AS-AP Australian Academic and Re
4538 130 4192 73 ERX-CERNET-BKB China Education and Rese
55824 124 18 16 NKN-CORE-NW NKN Core Network, IN
4621 70 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
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
15169 829 2257 64 GOOGLE, US
8075 363 12790 306 MICROSOFT-CORP-MSN-AS-BLOCK, US
2152 275 507 94 CSUNET-NW, US
6939 239 125 191 HURRICANE, US
668 210 620 178 DNIC-AS-00668, US
376 202 178 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
18558 136 18 4 NETBLK-RCOEK, US
81 128 521 31 NCREN, US
270 117 329 82 AS270, 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
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
786 186 1767 183 JANET Jisc Services Limited, GB
8895 163 24 5 ISU Internet Services Unit ISU, SA
559 111 533 103 SWITCH Peering requests: peering at switch
1103 94 1502 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 74 465 74 BELWUE BelWue-Koordination, DE
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
2200 64 599 59 FR-RENATER Reseau National de telecommu
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
1916 259 176 42 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 103 24 47 Red Universitaria Nacional, CL
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 48 16 1 Red de Interconexion Universitaria, AR
61468 42 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
3596 35 4 3 Universidad Autonoma Metropolitana, MX
271640 34 8 1 UNIVERSIDADE FEDERAL DE VICOSA, 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
2018 371 319 72 TENET-1, ZA
327687 162 28 3 RENU, UG
36914 83 82 3 KENET-AS, KE
8094 48 48 15 PUKNET, ZA
327700 41 16 1 MoRENet, MZ
37215 37 8 1 MAREN, MW
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37501 11 49 6 UOFS, 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
15169 829 2257 64 GOOGLE, US
2907 608 2147 466 SINET-AS Research Organization of Infor
7497 434 180 23 CSTNET-AS-AP Computer Network Informati
2018 371 319 72 TENET-1, ZA
8075 363 12790 306 MICROSOFT-CORP-MSN-AS-BLOCK, US
45102 321 544 104 ALIBABA-CN-NET Alibaba US Technology Co
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
2152 275 507 94 CSUNET-NW, US
1916 259 176 42 Rede Nacional de Ensino e Pesquisa, BR
6939 239 125 191 HURRICANE, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 434 411 CSTNET-AS-AP Computer Network Information Cente
2018 371 299 TENET-1, ZA
45102 321 217 ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,
1916 259 217 Rede Nacional de Ensino e Pesquisa, BR
5786 197 196 UPRENET, PR
2152 275 181 CSUNET-NW, US
58647 178 176 KAGAWAU-AS Kagawa University, JP
327687 162 159 RENU, UG
8895 163 158 ISU Internet Services Unit ISU, SA
2907 608 142 SINET-AS Research Organization of Information a
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
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, 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
102.36.194.0/23 Origin: 2018 TENET-1, ZA
102.36.194.0/23 Transit: 20965 GEANT The GEANT IP Service, NL
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Origin: 6939 HURRICANE, US
192.88.99.0/24 Transit: 17579 KREONET2-AS-KR KISTI, KR
202.58.231.0/24 Origin: 134096 EHEALTHNSW-AS-AP eHealth NSW, AU
202.58.231.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res
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 /8:0 /9:1 /10:4 /11:7 /12:23
/13:37 /14:68 /15:155 /16:2163 /17:485 /18:497
/19:736 /20:921 /21:928 /22:1561 /23:1666 /24:11275
/25:89 /26:66 /27:78 /28:18 /29:20 /30:16
/31:1 /32:17
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
15169 274 829 GOOGLE, US
8895 158 163 ISU Internet Services Unit ISU, SA
6939 126 239 HURRICANE, US
32440 79 108 LONI, US
36914 75 83 KENET-AS, KE
8075 67 363 MICROSOFT-CORP-MSN-AS-BLOCK, US
23024 52 113 OCDE, US
1916 39 259 Rede Nacional de Ensino e Pesquisa, BR
327700 35 41 MoRENet, MZ
18632 34 66 VOLCANO-VISION, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 2:1 5:16 6:4 8:8 12:1
13:1 14:89 23:14 24:3 31:7 34:2
35:3 38:9 40:1 41:138 42:10 43:7
44:6 45:49 46:7 47:38 49:9 50:4
52:2 58:1 59:19 60:4 61:3 62:20
63:38 64:87 65:8 66:57 67:44 68:8
69:25 70:13 71:1 72:17 74:118 76:41
77:10 78:3 79:10 80:16 81:26 82:8
83:6 84:12 85:43 86:15 87:1 89:12
91:50 92:4 93:4 94:8 95:3 96:5
97:2 98:2 101:2 102:33 103:276 104:85
107:54 108:46 109:10 110:2 111:17 113:4
114:23 116:6 117:61 118:32 119:18 121:28
122:8 123:8 124:38 125:4 128:87 129:43
130:88 131:60 132:60 133:155 134:108 135:1
136:200 137:134 138:11 139:5 140:49 141:1
142:261 143:21 144:28 145:4 146:132 147:60
148:193 149:12 150:45 151:11 152:136 153:14
154:33 155:65 156:68 157:23 158:39 159:115
160:27 161:37 162:22 163:80 164:10 165:46
166:2 167:16 168:122 169:8 170:90 171:1
172:92 173:85 175:27 176:9 177:5 178:1
179:12 180:15 181:5 182:1 184:4 185:79
186:3 187:17 188:13 189:3 190:18 191:14
192:1472 193:303 194:149 195:94 196:202 197:3
198:583 199:306 200:286 201:38 202:630 203:439
204:369 205:145 206:196 207:191 208:87 209:152
210:185 211:3 212:169 213:6 214:8 216:128
217:12 218:22 219:6 220:17 222:2 223:16
End of report
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