[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Oct 23 20:15:38 UTC 2023
IPv4 R&E Routing Table Report 20:15 GMT Mon 23 Oct, 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: 20956
Prefixes after maximum aggregation (per Origin AS): 11409
Deaggregation factor: 1.84
Unique aggregates announced (without unneeded subnets): 12632
Number of IPv4 prefixes with a valid ROA: 6833
Number of IPv4 prefixes with an invalid ROA: 32
Number of IPv4 prefixes with no ROA: 14091
Total ASes present in the Internet Routing Table: 2811
Prefixes per ASN: 7.45
Origin-only ASes present in the Internet Routing Table: 2417
Origin ASes announcing only one prefix: 1070
Transit ASes present in the Internet Routing Table: 394
Transit-only ASes present in the Internet Routing Table: 84
Paths with bogon ASNs present in the IPv4 Routing Table: 4
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 14
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 4
Number of instances of unregistered ASNs: 4
Number of 32-bit ASNs allocated by the RIRs: 42907
Number of 32-bit ASNs visible in the Routing Table: 639
Prefixes from 32-bit ASNs in the Routing Table: 1957
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: 270063021
Equivalent to 16 /8s, 24 /16s and 213 /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: 2608
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 5022
Total APNIC prefixes after maximum aggregation: 2382
APNIC Deaggregation factor: 2.11
Prefixes being announced from the APNIC address blocks: 4839
Unique aggregates announced from the APNIC address blocks: 2711
APNIC Region origin ASes present in the Internet Routing Table: 538
APNIC Prefixes per ASN: 8.99
APNIC Region origin ASes announcing only one prefix: 226
APNIC Region transit ASes present in the Internet Routing Table: 62
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 202
Number of APNIC addresses announced to Internet: 47413612
Equivalent to 2 /8s, 211 /16s and 121 /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: 9883
Total ARIN prefixes after maximum aggregation: 5380
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 9925
Unique aggregates announced from the ARIN address blocks: 5845
ARIN Region origin ASes present in the Internet Routing Table: 1273
ARIN Prefixes per ASN: 7.80
ARIN Region origin ASes announcing only one prefix: 449
ARIN Region transit ASes present in the Internet Routing Table: 164
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 196
Number of ARIN addresses announced to Internet: 147603361
Equivalent to 8 /8s, 204 /16s and 63 /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: 3668
Total RIPE prefixes after maximum aggregation: 2899
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3804
Unique aggregates announced from the RIPE address blocks: 3071
RIPE Region origin ASes present in the Internet Routing Table: 698
RIPE Prefixes per ASN: 5.45
RIPE Region origin ASes announcing only one prefix: 306
RIPE Region transit ASes present in the Internet Routing Table: 110
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 146
Number of RIPE addresses announced to Internet: 67499520
Equivalent to 4 /8s, 5 /16s and 246 /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,
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: 1482
Total LACNIC prefixes after maximum aggregation: 573
LACNIC Deaggregation factor: 2.59
Prefixes being announced from the LACNIC address blocks: 1481
Unique aggregates announced from the LACNIC address blocks: 773
LACNIC Region origin ASes present in the Internet Routing Table: 166
LACNIC Prefixes per ASN: 8.92
LACNIC Region origin ASes announcing only one prefix: 63
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: 69
Number of LACNIC addresses announced to Internet: 4685984
Equivalent to 0 /8s, 71 /16s and 128 /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: 897
Total AfriNIC prefixes after maximum aggregation: 171
AfriNIC Deaggregation factor: 5.25
Prefixes being announced from the AfriNIC address blocks: 903
Unique aggregates announced from the AfriNIC address blocks: 228
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 18.06
AfriNIC Region origin ASes announcing only one prefix: 26
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2794240
Equivalent to 0 /8s, 42 /16s and 163 /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 603 2162 466 SINET-AS Research Organization of Infor
7497 435 180 23 CSTNET-AS-AP Computer Network Informati
45102 387 636 102 ALIBABA-CN-NET Alibaba US Technology Co
1237 200 74 142 KREONET-AS-KR KISTI, KR
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
7575 176 329 120 AARNET-AS-AP Australian Academic and Re
4538 130 4192 73 ERX-CERNET-BKB China Education and Rese
55824 126 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 832 2001 63 GOOGLE, US
8075 385 12791 325 MICROSOFT-CORP-MSN-AS-BLOCK, US
2152 371 507 93 CSUNET-NW, US
6939 230 125 183 HURRICANE, US
668 203 636 172 DNIC-AS-00668, US
376 202 178 151 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
18558 141 18 4 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
270 115 305 80 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
786 185 1767 182 JANET Jisc Services Limited, GB
8895 164 24 5 ISU Internet Services Unit ISU, SA
559 113 533 105 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 73 457 73 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 252 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 104 24 48 Red Universitaria Nacional, CL
271640 70 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 50 17 3 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 43 99 33 Fundacao Carlos Chagas Filho de Amparo
61468 43 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
3596 35 4 3 Universidad Autonoma Metropolitana, MX
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 383 319 71 TENET-1, ZA
327687 166 28 3 RENU, UG
36914 82 82 3 KENET-AS, KE
8094 48 48 15 PUKNET, ZA
327700 41 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
37074 14 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
37654 10 1 6 RwEdNet-AS, RW
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 832 2001 63 GOOGLE, US
2907 603 2162 466 SINET-AS Research Organization of Infor
7497 435 180 23 CSTNET-AS-AP Computer Network Informati
45102 387 636 102 ALIBABA-CN-NET Alibaba US Technology Co
8075 385 12791 325 MICROSOFT-CORP-MSN-AS-BLOCK, US
2018 383 319 71 TENET-1, ZA
2152 371 507 93 CSUNET-NW, US
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
1916 252 176 43 Rede Nacional de Ensino e Pesquisa, BR
6939 230 125 183 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 435 412 CSTNET-AS-AP Computer Network Information Cente
2018 383 312 TENET-1, ZA
45102 387 285 ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,
2152 371 278 CSUNET-NW, US
1916 252 209 Rede Nacional de Ensino e Pesquisa, BR
5786 197 196 UPRENET, PR
58647 177 175 KAGAWAU-AS Kagawa University, JP
327687 166 163 RENU, UG
8895 164 159 ISU Internet Services Unit ISU, SA
2907 603 137 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
65208 PRIVATE 63.225.1.0/24 11570 EASTERN-NEW-MEXICO-UNIVERITY
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
65208 PRIVATE 216.161.32.0/23 11570 EASTERN-NEW-MEXICO-UNIVERITY
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
134.208.0.0/16 Origin: 17711 NDHU-TW National Dong Hwa University, TW
134.208.0.0/16 Transit: 7539 TWAREN-TW National Center for High-perfo
192.31.196.0/24 Origin: 112 RESERVED, ZZ
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 /12:22
/13:37 /14:68 /15:155 /16:2165 /17:492 /18:509
/19:737 /20:925 /21:937 /22:1597 /23:1681 /24:11340
/25:84 /26:61 /27:73 /28:18 /29:22 /30:15
/31:0 /32:6
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
15169 275 832 GOOGLE, US
8895 159 164 ISU Internet Services Unit ISU, SA
6939 118 230 HURRICANE, US
32440 81 111 LONI, US
8075 79 385 MICROSOFT-CORP-MSN-AS-BLOCK, US
36914 74 82 KENET-AS, KE
23024 52 113 OCDE, US
1916 39 252 Rede Nacional de Ensino e Pesquisa, BR
2152 37 371 CSUNET-NW, US
327700 36 41 MoRENet, MZ
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
35:5 38:8 40:1 41:117 42:10 43:11
44:7 45:52 46:7 47:48 49:9 50:3
52:2 59:19 60:5 61:1 62:17 63:37
64:86 65:8 66:63 67:43 68:9 69:23
70:13 71:1 72:17 74:117 76:42 77:9
78:3 79:10 80:13 81:27 82:8 83:6
84:12 85:41 86:4 87:1 89:11 91:53
92:4 93:5 94:8 95:3 96:5 97:2
98:2 101:2 102:31 103:284 104:80 107:48
108:45 109:10 110:2 111:17 113:4 114:23
117:61 118:32 119:18 121:27 122:8 123:8
124:40 125:4 128:88 129:49 130:87 131:65
132:64 133:152 134:111 135:1 136:199 137:132
138:11 139:5 140:42 141:1 142:265 143:22
144:28 145:4 146:131 147:58 148:193 149:12
150:46 151:12 152:132 153:14 154:30 155:63
156:66 157:18 158:35 159:115 160:30 161:31
162:24 163:82 164:13 165:47 166:2 167:16
168:117 169:8 170:95 171:1 172:91 173:87
175:18 176:9 177:6 178:1 179:12 180:15
181:3 182:1 184:4 185:82 186:3 187:17
188:14 189:3 190:19 191:14 192:1488 193:305
194:152 195:94 196:202 197:3 198:583 199:296
200:329 201:38 202:623 203:427 204:375 205:153
206:200 207:221 208:87 209:158 210:197 211:14
212:169 213:6 214:8 216:126 217:10 218:22
219:5 220:15 222:2 223:16
End of report
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