[REN-BGP-stats-all] IPv4 R&E Routing Table Report - GEANT (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Oct 13 17:00:39 UTC 2023
IPv4 R&E Routing Table Report 17:00 GMT Fri 13 Oct, 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: 18766
Prefixes after maximum aggregation (per Origin AS): 10605
Deaggregation factor: 1.77
Unique aggregates announced (without unneeded subnets): 11670
Number of IPv4 prefixes with a valid ROA: 5172
Number of IPv4 prefixes with an invalid ROA: 17
Number of IPv4 prefixes with no ROA: 13577
Total ASes present in the Internet Routing Table: 2746
Prefixes per ASN: 6.83
Origin-only ASes present in the Internet Routing Table: 2382
Origin ASes announcing only one prefix: 1052
Transit ASes present in the Internet Routing Table: 364
Transit-only ASes present in the Internet Routing Table: 57
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 15
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 2
Number of instances of unregistered ASNs: 2
Number of 32-bit ASNs allocated by the RIRs: 42831
Number of 32-bit ASNs visible in the Routing Table: 634
Prefixes from 32-bit ASNs in the Routing Table: 1953
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: 3
Number of addresses announced to Internet: 205580640
Equivalent to 12 /8s, 64 /16s and 233 /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: 99.5
Total number of prefixes smaller than registry allocations: 2162
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4702
Total APNIC prefixes after maximum aggregation: 2285
APNIC Deaggregation factor: 2.06
Prefixes being announced from the APNIC address blocks: 4700
Unique aggregates announced from the APNIC address blocks: 2605
APNIC Region origin ASes present in the Internet Routing Table: 540
APNIC Prefixes per ASN: 8.70
APNIC Region origin ASes announcing only one prefix: 224
APNIC Region transit ASes present in the Internet Routing Table: 56
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 203
Number of APNIC addresses announced to Internet: 45532480
Equivalent to 2 /8s, 182 /16s and 197 /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: 7934
Total ARIN prefixes after maximum aggregation: 4673
ARIN Deaggregation factor: 1.70
Prefixes being announced from the ARIN address blocks: 7950
Unique aggregates announced from the ARIN address blocks: 5157
ARIN Region origin ASes present in the Internet Routing Table: 1231
ARIN Prefixes per ASN: 6.46
ARIN Region origin ASes announcing only one prefix: 429
ARIN Region transit ASes present in the Internet Routing Table: 154
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 189
Number of ARIN addresses announced to Internet: 95276672
Equivalent to 5 /8s, 173 /16s and 206 /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: 3672
Total RIPE prefixes after maximum aggregation: 2902
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3659
Unique aggregates announced from the RIPE address blocks: 2912
RIPE Region origin ASes present in the Internet Routing Table: 699
RIPE Prefixes per ASN: 5.23
RIPE Region origin ASes announcing only one prefix: 309
RIPE Region transit ASes present in the Internet Routing Table: 105
Average RIPE Region AS path length visible: 2.9
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 146
Number of RIPE addresses announced to Internet: 58011904
Equivalent to 3 /8s, 117 /16s and 49 /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: 1393
Total LACNIC prefixes after maximum aggregation: 574
LACNIC Deaggregation factor: 2.43
Prefixes being announced from the LACNIC address blocks: 1391
Unique aggregates announced from the LACNIC address blocks: 774
LACNIC Region origin ASes present in the Internet Routing Table: 169
LACNIC Prefixes per ASN: 8.23
LACNIC Region origin ASes announcing only one prefix: 65
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 71
Number of LACNIC addresses announced to Internet: 4032416
Equivalent to 0 /8s, 61 /16s and 135 /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: 1063
Total AfriNIC prefixes after maximum aggregation: 169
AfriNIC Deaggregation factor: 6.29
Prefixes being announced from the AfriNIC address blocks: 1063
Unique aggregates announced from the AfriNIC address blocks: 219
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 21.69
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: 2.7
Max AfriNIC Region AS path length visible: 8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25
Number of AfriNIC addresses announced to Internet: 2661120
Equivalent to 0 /8s, 40 /16s and 155 /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 596 2146 464 SINET-AS Research Organization of Infor
7497 435 180 23 CSTNET-AS-AP Computer Network Informati
4538 202 4193 75 ERX-CERNET-BKB China Education and Rese
1237 196 74 142 KREONET-AS-KR KISTI, KR
7575 177 329 120 AARNET-AS-AP Australian Academic and Re
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
55824 126 18 17 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 63 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
668 203 652 172 DNIC-AS-00668, US
376 202 178 151 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
2152 143 507 91 CSUNET-NW, US
18558 141 18 4 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
270 118 329 82 AS270, US
23024 113 7 17 OCDE, US
32440 111 35 18 LONI, US
2920 103 34 7 LACOE, 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
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
786 185 1767 182 JANET Jisc Services Limited, GB
8895 163 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 75 469 75 BELWUE BelWue-Koordination, DE
3267 66 64 40 RUNNET, RU
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
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 172 176 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 72 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
61468 43 3 14 CEDIA, EC
2715 42 99 32 Fundacao Carlos Chagas Filho de Amparo
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/GEANT/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 382 319 71 TENET-1, ZA
36914 252 82 3 KENET-AS, KE
327687 164 28 3 RENU, UG
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/GEANT/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 596 2146 464 SINET-AS Research Organization of Infor
7497 435 180 23 CSTNET-AS-AP Computer Network Informati
2018 382 319 71 TENET-1, ZA
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
36914 252 82 3 KENET-AS, KE
668 203 652 172 DNIC-AS-00668, US
376 202 178 151 RISQ-AS, CA
4538 202 4193 75 ERX-CERNET-BKB China Education and Rese
5786 197 16 1 UPRENET, PR
1237 196 74 142 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 435 412 CSTNET-AS-AP Computer Network Information Cente
2018 382 311 TENET-1, ZA
36914 252 249 KENET-AS, KE
5786 197 196 UPRENET, PR
58647 177 175 KAGAWAU-AS Kagawa University, JP
327687 164 161 RENU, UG
8895 163 158 ISU Internet Services Unit ISU, SA
18558 141 137 NETBLK-RCOEK, US
1916 172 129 Rede Nacional de Ensino e Pesquisa, BR
4538 202 127 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
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, 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
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
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 /16:2009 /17:426 /18:441
/19:570 /20:855 /21:869 /22:1481 /23:1536 /24:10175
/25:79 /26:50 /27:72 /28:0 /29:0 /30:0
/31:1 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 241 252 KENET-AS, KE
8895 158 163 ISU Internet Services Unit ISU, SA
32440 81 111 LONI, US
23024 52 113 OCDE, US
327700 36 41 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
200521 32 54 SEAP-AGE, ES
25977 30 44 HCCS, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
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 14:89
23:5 24:3 31:7 35:2 38:8 40:1
41:119 42:16 44:7 45:43 46:5 47:1
49:9 50:1 52:1 58:11 59:20 60:5
61:3 62:15 63:32 64:51 65:1 66:37
67:41 68:9 69:17 70:2 71:1 72:7
74:49 76:41 77:9 78:3 79:10 80:15
81:27 82:6 83:6 84:11 85:43 86:9
87:1 89:10 91:50 92:2 93:4 94:4
95:2 96:5 97:1 98:2 101:5 102:29
103:268 104:76 108:8 109:9 110:1 111:16
114:23 116:6 117:61 118:33 119:18 121:29
122:8 123:8 124:40 125:4 128:87 129:40
130:86 131:60 132:55 133:152 134:107 136:196
137:127 138:9 139:5 140:40 141:1 142:38
143:22 144:25 145:2 146:131 147:55 148:192
149:12 150:44 151:12 152:131 153:14 154:30
155:63 156:65 157:17 158:34 159:115 160:30
161:18 162:20 163:81 164:10 165:47 166:1
167:13 168:124 169:8 170:68 172:3 173:7
175:26 176:8 177:6 179:12 180:15 181:1
182:1 184:4 185:54 186:3 187:17 188:13
189:3 190:19 191:13 192:1463 193:299 194:147
195:89 196:201 197:165 198:478 199:275 200:277
201:38 202:629 203:426 204:354 205:127 206:189
207:165 208:71 209:112 210:187 211:13 212:162
213:5 214:7 216:84 217:9 218:22 219:11
220:16 222:3 223:14
End of report
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