[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Thu Mar 9 20:15:40 UTC 2023
IPv4 R&E Routing Table Report 20:15 GMT Thu 09 Mar, 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: 20788
Prefixes after maximum aggregation (per Origin AS): 11248
Deaggregation factor: 1.85
Unique aggregates announced (without unneeded subnets): 12574
Number of IPv4 prefixes with a valid ROA: 6175
Number of IPv4 prefixes with an invalid ROA: 102
Number of IPv4 prefixes with no ROA: 14511
Total ASes present in the Internet Routing Table: 2841
Prefixes per ASN: 7.32
Origin-only ASes present in the Internet Routing Table: 2439
Origin ASes announcing only one prefix: 1076
Transit ASes present in the Internet Routing Table: 402
Transit-only ASes present in the Internet Routing Table: 90
Paths with bogon ASNs present in the IPv4 Routing Table: 3
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 19
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 6
Number of instances of unregistered ASNs: 6
Number of 32-bit ASNs allocated by the RIRs: 41390
Number of 32-bit ASNs visible in the Routing Table: 656
Prefixes from 32-bit ASNs in the Routing Table: 1832
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: 3
Number of addresses announced to Internet: 267840627
Equivalent to 15 /8s, 246 /16s and 236 /24s
Percentage of available address space announced: 7.2
Percentage of allocated address space announced: 7.2
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: 2779
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 5166
Total APNIC prefixes after maximum aggregation: 2423
APNIC Deaggregation factor: 2.13
Prefixes being announced from the APNIC address blocks: 5024
Unique aggregates announced from the APNIC address blocks: 2754
APNIC Region origin ASes present in the Internet Routing Table: 581
APNIC Prefixes per ASN: 8.65
APNIC Region origin ASes announcing only one prefix: 247
APNIC Region transit ASes present in the Internet Routing Table: 68
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 227
Number of APNIC addresses announced to Internet: 47677292
Equivalent to 2 /8s, 215 /16s and 127 /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, 131072-151865
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: 9492
Total ARIN prefixes after maximum aggregation: 5142
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 9518
Unique aggregates announced from the ARIN address blocks: 5671
ARIN Region origin ASes present in the Internet Routing Table: 1257
ARIN Prefixes per ASN: 7.57
ARIN Region origin ASes announcing only one prefix: 440
ARIN Region transit ASes present in the Internet Routing Table: 165
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: 145366049
Equivalent to 8 /8s, 170 /16s and 28 /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: 3700
Total RIPE prefixes after maximum aggregation: 2899
RIPE Deaggregation factor: 1.28
Prefixes being announced from the RIPE address blocks: 3817
Unique aggregates announced from the RIPE address blocks: 3064
RIPE Region origin ASes present in the Internet Routing Table: 699
RIPE Prefixes per ASN: 5.46
RIPE Region origin ASes announcing only one prefix: 309
RIPE Region transit ASes present in the Internet Routing Table: 107
Average RIPE Region AS path length visible: 3.8
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: 67512390
Equivalent to 4 /8s, 6 /16s and 40 /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: 1393
Total LACNIC prefixes after maximum aggregation: 569
LACNIC Deaggregation factor: 2.45
Prefixes being announced from the LACNIC address blocks: 1391
Unique aggregates announced from the LACNIC address blocks: 787
LACNIC Region origin ASes present in the Internet Routing Table: 157
LACNIC Prefixes per ASN: 8.86
LACNIC Region origin ASes announcing only one prefix: 57
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 62
Number of LACNIC addresses announced to Internet: 4499360
Equivalent to 0 /8s, 68 /16s and 167 /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: 1031
Total AfriNIC prefixes after maximum aggregation: 209
AfriNIC Deaggregation factor: 4.93
Prefixes being announced from the AfriNIC address blocks: 1035
Unique aggregates announced from the AfriNIC address blocks: 295
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 19.90
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 12
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: 28
Number of AfriNIC addresses announced to Internet: 2784512
Equivalent to 0 /8s, 42 /16s and 125 /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 601 2157 464 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
45102 327 511 103 ALIBABA-CN-NET Alibaba US Technology Co
1237 196 74 139 KREONET-AS-KR KISTI, KR
4538 192 4192 73 ERX-CERNET-BKB China Education and Rese
58647 178 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 329 119 AARNET-AS-AP Australian Academic and Re
55824 119 18 12 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 800 2258 65 GOOGLE, US
8075 321 12787 275 MICROSOFT-CORP-MSN-AS-BLOCK, US
2152 218 507 93 CSUNET-NW, US
6939 209 127 150 HURRICANE, US
376 199 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
18558 134 18 4 NETBLK-RCOEK, US
81 129 521 32 NCREN, US
270 120 329 85 AS270, US
23024 113 7 17 OCDE, 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 1919 249 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 176 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 95 1518 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
3267 67 64 28 RUNNET, RU
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
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 180 208 44 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 104 24 47 Red Universitaria Nacional, CL
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
1251 57 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
61468 46 3 14 CEDIA, EC
4270 44 16 1 Red de Interconexion Universitaria, AR
28614 38 2 2 Fundacao Universidade Regional de Blume
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28571 37 40 18 UNIVERSIDADE DE SAO PAULO, 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 378 319 72 TENET-1, ZA
36914 247 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
327687 61 28 3 RENU, UG
8094 47 48 18 PUKNET, ZA
37182 33 8 1 TERNET, TZ
3208 32 2 1 ARN, DZ
327700 29 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
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 800 2258 65 GOOGLE, US
2907 601 2157 464 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
2018 378 319 72 TENET-1, ZA
45102 327 511 103 ALIBABA-CN-NET Alibaba US Technology Co
8075 321 12787 275 MICROSOFT-CORP-MSN-AS-BLOCK, US
680 283 1919 249 DFN Verein zur Foerderung eines Deutsch
36914 247 82 3 KENET-AS, KE
2152 218 507 93 CSUNET-NW, US
6939 209 127 150 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 435 411 CSTNET-AS-AP Computer Network Information Cente
2018 378 306 TENET-1, ZA
36914 247 244 KENET-AS, KE
45102 327 224 ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,
5786 199 198 UPRENET, PR
58647 178 176 KAGAWAU-AS Kagawa University, JP
8895 176 172 ISU Internet Services Unit ISU, SA
2907 601 137 SINET-AS Research Organization of Information a
1916 180 136 Rede Nacional de Ensino e Pesquisa, BR
18558 134 130 NETBLK-RCOEK, 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
65300 PRIVATE 103.252.172.0/22 133465 DKU-AS-AP Duke Kunshan Unive
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
18621 UNALLOCATED 142.156.0.0/16 26677 ORION-ASN, CA
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
19658 UNALLOCATED 199.27.241.0/24 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: 11537 INTERNET2-RESEARCH-EDU, US
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
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
/13:38 /14:68 /15:152 /16:2128 /17:471 /18:508
/19:736 /20:912 /21:911 /22:1562 /23:1662 /24:11271
/25:88 /26:63 /27:99 /28:18 /29:19 /30:21
/31:1 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
15169 272 800 GOOGLE, US
36914 234 247 KENET-AS, KE
8895 171 176 ISU Internet Services Unit ISU, SA
6939 89 209 HURRICANE, US
32440 79 104 LONI, US
8075 53 321 MICROSOFT-CORP-MSN-AS-BLOCK, US
23024 52 113 OCDE, US
18632 34 66 VOLCANO-VISION, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
37182 32 33 TERNET, TZ
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 2:1 5:18 8:8 12:1 13:1
14:89 23:22 24:3 31:7 34:2 35:7
38:9 40:1 41:132 42:15 43:8 44:5
45:37 46:6 47:42 49:7 50:5 52:2
58:12 59:21 60:4 61:3 62:21 63:38
64:87 65:8 66:57 67:45 68:8 69:25
70:11 71:1 72:17 74:118 76:41 77:9
78:4 79:10 80:19 81:28 82:6 83:6
84:14 85:44 86:10 87:1 89:10 91:47
92:2 93:4 94:8 95:2 96:5 97:2
98:2 101:8 102:16 103:325 104:81 107:16
108:54 109:11 110:4 111:17 113:4 114:23
116:6 117:61 118:33 119:21 121:29 122:8
123:8 124:39 125:4 128:86 129:42 130:87
131:65 132:50 133:157 134:99 135:1 136:199
137:91 138:11 139:8 140:47 141:1 142:235
143:30 144:28 145:4 146:133 147:54 148:193
149:12 150:132 151:9 152:144 153:14 154:30
155:57 156:69 157:34 158:38 159:115 160:27
161:27 162:22 163:74 164:10 165:51 166:2
167:19 168:125 169:11 170:82 171:1 172:92
173:84 175:31 176:9 177:9 178:1 179:10
180:14 181:1 182:1 184:5 185:67 186:3
187:19 188:13 189:3 190:18 191:36 192:1440
193:351 194:152 195:94 196:166 197:154 198:549
199:269 200:219 201:39 202:636 203:441 204:357
205:135 206:192 207:178 208:82 209:141 210:186
211:17 212:171 213:5 216:126 217:13 218:22
219:12 220:17 222:6 223:11
End of report
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