[REN-BGP-stats-all] IPv4 R&E Routing Table Report - GEANT (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sun Jul 2 17:00:38 UTC 2023
IPv4 R&E Routing Table Report 17:00 GMT Sun 02 Jul, 2023
IPv4 BGP Table (R&E) as seen at GEANT.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/GEANT/
Analysis Summary
----------------
BGP routing table entries examined: 18867
Prefixes after maximum aggregation (per Origin AS): 10548
Deaggregation factor: 1.79
Unique aggregates announced (without unneeded subnets): 11646
Number of IPv4 prefixes with a valid ROA: 4872
Number of IPv4 prefixes with an invalid ROA: 15
Number of IPv4 prefixes with no ROA: 13980
Total ASes present in the Internet Routing Table: 2739
Prefixes per ASN: 6.89
Origin-only ASes present in the Internet Routing Table: 2368
Origin ASes announcing only one prefix: 1043
Transit ASes present in the Internet Routing Table: 371
Transit-only ASes present in the Internet Routing Table: 65
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 19
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 7
Number of instances of unregistered ASNs: 7
Number of 32-bit ASNs allocated by the RIRs: 42206
Number of 32-bit ASNs visible in the Routing Table: 625
Prefixes from 32-bit ASNs in the Routing Table: 1902
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 5
Number of addresses announced to Internet: 205944768
Equivalent to 12 /8s, 70 /16s and 119 /24s
Percentage of available address space announced: 5.6
Percentage of allocated address space announced: 5.6
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: 2245
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4655
Total APNIC prefixes after maximum aggregation: 2232
APNIC Deaggregation factor: 2.09
Prefixes being announced from the APNIC address blocks: 4655
Unique aggregates announced from the APNIC address blocks: 2548
APNIC Region origin ASes present in the Internet Routing Table: 530
APNIC Prefixes per ASN: 8.78
APNIC Region origin ASes announcing only one prefix: 221
APNIC Region transit ASes present in the Internet Routing Table: 53
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 198
Number of APNIC addresses announced to Internet: 45749824
Equivalent to 2 /8s, 186 /16s and 22 /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: 7949
Total ARIN prefixes after maximum aggregation: 4679
ARIN Deaggregation factor: 1.70
Prefixes being announced from the ARIN address blocks: 7965
Unique aggregates announced from the ARIN address blocks: 5179
ARIN Region origin ASes present in the Internet Routing Table: 1228
ARIN Prefixes per ASN: 6.49
ARIN Region origin ASes announcing only one prefix: 424
ARIN Region transit ASes present in the Internet Routing Table: 157
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 187
Number of ARIN addresses announced to Internet: 95267552
Equivalent to 5 /8s, 173 /16s and 170 /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: 3681
Total RIPE prefixes after maximum aggregation: 2883
RIPE Deaggregation factor: 1.28
Prefixes being announced from the RIPE address blocks: 3670
Unique aggregates announced from the RIPE address blocks: 2920
RIPE Region origin ASes present in the Internet Routing Table: 697
RIPE Prefixes per ASN: 5.27
RIPE Region origin ASes announcing only one prefix: 309
RIPE Region transit ASes present in the Internet Routing Table: 110
Average RIPE Region AS path length visible: 2.9
Max RIPE Region AS path length visible: 11
Number of RIPE region 32-bit ASNs visible in the Routing Table: 145
Number of RIPE addresses announced to Internet: 58031872
Equivalent to 3 /8s, 117 /16s and 127 /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: 1481
Total LACNIC prefixes after maximum aggregation: 573
LACNIC Deaggregation factor: 2.58
Prefixes being announced from the LACNIC address blocks: 1479
Unique aggregates announced from the LACNIC address blocks: 768
LACNIC Region origin ASes present in the Internet Routing Table: 163
LACNIC Prefixes per ASN: 9.07
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: 4.7
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: 4220064
Equivalent to 0 /8s, 64 /16s and 100 /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: 1094
Total AfriNIC prefixes after maximum aggregation: 174
AfriNIC Deaggregation factor: 6.29
Prefixes being announced from the AfriNIC address blocks: 1093
Unique aggregates announced from the AfriNIC address blocks: 226
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 21.02
AfriNIC Region origin ASes announcing only one prefix: 27
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 2.9
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 2670080
Equivalent to 0 /8s, 40 /16s and 190 /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 2146 465 SINET-AS Research Organization of Infor
7497 434 180 23 CSTNET-AS-AP Computer Network Informati
4538 197 4192 73 ERX-CERNET-BKB China Education and Rese
1237 193 74 139 KREONET-AS-KR KISTI, KR
58647 178 18 2 KAGAWAU-AS Kagawa University, JP
7575 176 329 121 AARNET-AS-AP Australian Academic and Re
55824 119 18 13 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
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
668 217 636 180 DNIC-AS-00668, US
376 202 178 150 RISQ-AS, CA
5786 192 16 1 UPRENET, PR
2152 143 507 93 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
81 128 521 31 NCREN, US
270 117 329 82 AS270, US
23024 113 7 17 OCDE, US
2920 109 34 7 LACOE, US
32440 108 35 18 LONI, US
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 284 1919 250 DFN Verein zur Foerderung eines Deutsch
786 186 1767 183 JANET Jisc Services Limited, GB
8895 177 24 5 ISU Internet Services Unit ISU, SA
559 112 533 104 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/GEANT/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 259 192 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 103 24 47 Red Universitaria Nacional, CL
1251 60 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 47 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
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 376 319 72 TENET-1, ZA
36914 259 82 3 KENET-AS, KE
327687 165 28 3 RENU, UG
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/GEANT/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 601 2146 465 SINET-AS Research Organization of Infor
7497 434 180 23 CSTNET-AS-AP Computer Network Informati
2018 376 319 72 TENET-1, ZA
680 284 1919 250 DFN Verein zur Foerderung eines Deutsch
1916 259 192 43 Rede Nacional de Ensino e Pesquisa, BR
36914 259 82 3 KENET-AS, KE
668 217 636 180 DNIC-AS-00668, US
376 202 178 150 RISQ-AS, CA
4538 197 4192 73 ERX-CERNET-BKB China Education and Rese
1237 193 74 139 KREONET-AS-KR KISTI, KR
Complete listing at https://bgp.nsrc.org/REN/GEANT/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 376 304 TENET-1, ZA
36914 259 256 KENET-AS, KE
1916 259 216 Rede Nacional de Ensino e Pesquisa, BR
5786 192 191 UPRENET, PR
58647 178 176 KAGAWAU-AS Kagawa University, JP
8895 177 172 ISU Internet Services Unit ISU, SA
327687 165 162 RENU, UG
18558 134 130 NETBLK-RCOEK, US
4538 197 124 ERX-CERNET-BKB China Education and Research Net
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
29867 UNALLOCATED 64.202.80.0/20 22742 CT-EDU-NET, US
138933 UNALLOCATED 103.137.86.0/24 24490 TEIN2-SG-AP Trans-Eurasia In
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
29867 UNALLOCATED 192.160.243.0/24 22742 CT-EDU-NET, US
29867 UNALLOCATED 192.160.244.0/24 22742 CT-EDU-NET, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
64.202.80.0/20 Origin: 29867 UNASSIGNED
64.202.80.0/20 Transit: 22742 CT-EDU-NET, US
102.36.194.0/23 Origin: 2018 TENET-1, ZA
102.36.194.0/23 Transit: 20965 GEANT The GEANT IP Service, NL
103.137.86.0/24 Origin: 138933 UNASSIGNED
103.137.86.0/24 Transit: 24490 TEIN2-SG-AP Trans-Eurasia Information Ne
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
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/GEANT/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 /10:2 /11:1 /12:10
/13:19 /14:35 /15:122 /16:2010 /17:425 /18:439
/19:573 /20:850 /21:880 /22:1479 /23:1553 /24:10215
/25:87 /26:66 /27:88 /28:0 /29:0 /30:0
/31:1 /32:11
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 247 259 KENET-AS, KE
8895 172 177 ISU Internet Services Unit ISU, SA
32440 79 108 LONI, US
23024 52 113 OCDE, US
1916 39 259 Rede Nacional de Ensino e Pesquisa, BR
327700 35 41 MoRENet, MZ
200521 33 56 SEAP-AGE, ES
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
37215 31 37 MAREN, MW
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 6:4 8:2 12:1 14:88
23:6 24:3 31:7 35:2 38:9 40:1
41:145 42:16 44:6 45:40 46:5 47:1
49:6 50:1 52:1 58:12 59:20 60:4
61:3 62:14 63:33 64:57 65:1 66:33
67:41 68:8 69:19 70:2 71:1 72:7
74:50 76:40 77:9 78:3 79:10 80:16
81:26 82:6 83:6 84:11 85:43 86:15
87:1 89:10 91:49 92:2 93:4 94:4
95:2 96:5 97:1 98:2 101:4 102:30
103:241 104:80 108:8 109:9 110:1 111:16
114:23 116:6 117:61 118:33 119:18 121:30
122:8 123:8 124:38 125:4 128:87 129:39
130:86 131:56 132:62 133:157 134:104 136:192
137:133 138:9 139:5 140:52 141:1 142:39
143:21 144:25 145:2 146:131 147:57 148:192
149:12 150:40 151:11 152:144 153:14 154:31
155:63 156:67 157:23 158:37 159:115 160:27
161:22 162:20 163:76 164:10 165:46 166:1
167:13 168:117 169:8 170:63 172:3 173:7
175:19 176:8 177:5 179:12 180:15 181:1
182:1 184:3 185:57 186:3 187:17 188:13
189:3 190:17 191:13 192:1441 193:298 194:145
195:91 196:204 197:165 198:481 199:284 200:305
201:38 202:629 203:428 204:350 205:127 206:184
207:167 208:70 209:117 210:184 211:3 212:169
213:5 214:8 216:87 217:11 218:22 219:12
220:16 222:4 223:14
End of report
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