[REN-BGP-stats-all] IPv4 R&E Routing Table Report - TENET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Sep 28 18:45:38 UTC 2023
IPv4 R&E Routing Table Report 18:45 GMT Thu 28 Sep, 2023
IPv4 BGP Table (R&E) as seen at TENET.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/TENET/
Analysis Summary
----------------
BGP routing table entries examined: 15678
Prefixes after maximum aggregation (per Origin AS): 8193
Deaggregation factor: 1.91
Unique aggregates announced (without unneeded subnets): 9403
Number of IPv4 prefixes with a valid ROA: 3670
Number of IPv4 prefixes with an invalid ROA: 25
Number of IPv4 prefixes with no ROA: 11983
Total ASes present in the Internet Routing Table: 2201
Prefixes per ASN: 7.12
Origin-only ASes present in the Internet Routing Table: 1911
Origin ASes announcing only one prefix: 802
Transit ASes present in the Internet Routing Table: 290
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: 4.4
Max AS path length visible: 15
Max AS path prepend of ASN ( 10497) 11
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: 42705
Number of 32-bit ASNs visible in the Routing Table: 491
Prefixes from 32-bit ASNs in the Routing Table: 1630
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: 160603648
Equivalent to 9 /8s, 146 /16s and 158 /24s
Percentage of available address space announced: 4.3
Percentage of allocated address space announced: 4.3
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: 1594
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4408
Total APNIC prefixes after maximum aggregation: 2144
APNIC Deaggregation factor: 2.06
Prefixes being announced from the APNIC address blocks: 4407
Unique aggregates announced from the APNIC address blocks: 2587
APNIC Region origin ASes present in the Internet Routing Table: 514
APNIC Prefixes per ASN: 8.57
APNIC Region origin ASes announcing only one prefix: 217
APNIC Region transit ASes present in the Internet Routing Table: 51
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 196
Number of APNIC addresses announced to Internet: 45562624
Equivalent to 2 /8s, 183 /16s and 59 /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: 7836
Total ARIN prefixes after maximum aggregation: 4671
ARIN Deaggregation factor: 1.68
Prefixes being announced from the ARIN address blocks: 7844
Unique aggregates announced from the ARIN address blocks: 5168
ARIN Region origin ASes present in the Internet Routing Table: 1224
ARIN Prefixes per ASN: 6.41
ARIN Region origin ASes announcing only one prefix: 427
ARIN Region transit ASes present in the Internet Routing Table: 156
Average ARIN Region AS path length visible: 4.3
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: 95214080
Equivalent to 5 /8s, 172 /16s and 218 /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: 980
Total RIPE prefixes after maximum aggregation: 656
RIPE Deaggregation factor: 1.49
Prefixes being announced from the RIPE address blocks: 975
Unique aggregates announced from the RIPE address blocks: 669
RIPE Region origin ASes present in the Internet Routing Table: 216
RIPE Prefixes per ASN: 4.51
RIPE Region origin ASes announcing only one prefix: 90
RIPE Region transit ASes present in the Internet Routing Table: 35
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 27
Number of RIPE addresses announced to Internet: 13191168
Equivalent to 0 /8s, 201 /16s and 72 /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: 1472
Total LACNIC prefixes after maximum aggregation: 582
LACNIC Deaggregation factor: 2.53
Prefixes being announced from the LACNIC address blocks: 1470
Unique aggregates announced from the LACNIC address blocks: 788
LACNIC Region origin ASes present in the Internet Routing Table: 167
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: 4.7
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 70
Number of LACNIC addresses announced to Internet: 4172544
Equivalent to 0 /8s, 63 /16s and 171 /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: 979
Total AfriNIC prefixes after maximum aggregation: 137
AfriNIC Deaggregation factor: 7.15
Prefixes being announced from the AfriNIC address blocks: 979
Unique aggregates announced from the AfriNIC address blocks: 188
AfriNIC Region origin ASes present in the Internet Routing Table: 21
AfriNIC Prefixes per ASN: 46.62
AfriNIC Region origin ASes announcing only one prefix: 6
AfriNIC Region transit ASes present in the Internet Routing Table: 5
Average AfriNIC Region AS path length visible: 2.7
Max AfriNIC Region AS path length visible: 5
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 9
Number of AfriNIC addresses announced to Internet: 2397184
Equivalent to 0 /8s, 36 /16s and 148 /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 594 2163 466 SINET-AS Research Organization of Infor
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
1237 192 74 141 KREONET-AS-KR KISTI, KR
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
7575 175 329 119 AARNET-AS-AP Australian Academic and Re
55824 126 18 17 NKN-CORE-NW NKN Core Network, IN
4538 125 4176 73 ERX-CERNET-BKB China Education and Rese
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/TENET/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
668 203 651 172 DNIC-AS-00668, US
376 202 178 151 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
18558 141 18 4 NETBLK-RCOEK, US
2152 140 507 92 CSUNET-NW, US
81 127 521 30 NCREN, US
270 118 329 82 AS270, US
23024 113 7 17 OCDE, US
2920 101 34 7 LACOE, US
21976 82 51 18 NJEDGE-NET, US
Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8895 136 24 5 ISU Internet Services Unit ISU, SA
1103 94 1502 83 SURFNET-NL SURFnet, The Netherlands, NL
3267 57 63 42 RUNNET, RU
1653 50 151 47 SUNET SUNET Swedish University Network,
1741 39 149 18 FUNETAS, FI
5495 24 7 8 ASN-SPBGU St.Petersburg, Russia, RU
3218 21 4 18 COSMOS-3218-AS AS-COSMOS root, RU
8674 18 2 11 NETNOD-IX Netnod AB, SE
1880 14 1 9 STUPI, SE
224 13 256 13 UNINETT UNINETT, The Norwegian Universi
Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 213 176 42 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
2715 58 102 39 Fundacao Carlos Chagas Filho de Amparo
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
4270 47 16 1 Red de Interconexion Universitaria, AR
61468 43 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
3596 34 4 3 Universidad Autonoma Metropolitana, MX
Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 380 319 71 TENET-1, ZA
36914 256 82 3 KENET-AS, KE
327687 167 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 44 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37501 11 49 6 UOFS, ZA
37654 10 1 6 RwEdNet-AS, RW
36982 8 33 8 UCT, ZA
37215 6 8 1 MAREN, MW
Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 594 2163 466 SINET-AS Research Organization of Infor
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
2018 380 319 71 TENET-1, ZA
36914 256 82 3 KENET-AS, KE
1916 213 176 42 Rede Nacional de Ensino e Pesquisa, BR
668 203 651 172 DNIC-AS-00668, US
376 202 178 151 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
1237 192 74 141 KREONET-AS-KR KISTI, KR
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 437 414 CSTNET-AS-AP Computer Network Information Cente
2018 380 309 TENET-1, ZA
36914 256 253 KENET-AS, KE
5786 197 196 UPRENET, PR
58647 177 175 KAGAWAU-AS Kagawa University, JP
1916 213 171 Rede Nacional de Ensino e Pesquisa, BR
327687 167 164 RENU, UG
18558 141 137 NETBLK-RCOEK, US
8895 136 131 ISU Internet Services Unit ISU, SA
55824 126 109 NKN-CORE-NW NKN Core Network, IN
Complete listing at https://bgp.nsrc.org/REN/TENET/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/TENET/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/TENET/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 /12:9
/13:17 /14:30 /15:87 /16:1436 /17:360 /18:377
/19:465 /20:698 /21:659 /22:1193 /23:1268 /24:9075
/25:0 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 245 256 KENET-AS, KE
8895 131 136 ISU Internet Services Unit ISU, SA
23024 52 113 OCDE, US
32440 38 63 LONI, US
327700 38 44 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
25977 30 44 HCCS, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
40326 29 33 ECKERD-COLLEGE, US
Complete listing at https://bgp.nsrc.org/REN/TENET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 4:2 6:4 8:2 12:1 14:89
23:6 24:3 35:4 38:9 40:1 41:115
42:10 44:3 45:39 47:1 49:9 50:1
52:1 59:18 60:5 61:3 62:6 63:33
64:51 65:1 66:37 67:41 68:9 69:17
70:2 71:1 72:7 74:46 76:41 77:6
80:4 81:1 82:4 84:4 85:17 86:10
87:1 89:2 91:17 92:2 93:1 96:5
97:1 98:2 101:2 102:25 103:264 104:76
108:10 109:6 111:16 114:23 116:6 117:61
118:32 119:18 121:19 122:8 123:8 124:40
125:4 128:84 129:35 130:87 131:54 132:60
133:152 134:102 136:196 137:124 138:9 139:5
140:40 141:1 142:38 143:20 144:23 146:130
147:52 148:186 149:12 150:44 151:11 152:146
153:2 154:30 155:63 156:64 157:18 158:33
159:114 160:30 161:24 162:22 163:85 164:10
165:46 166:1 167:13 168:123 169:8 170:76
171:1 172:3 173:7 175:18 176:8 177:6
179:12 180:14 181:1 182:1 184:9 185:22
186:3 187:18 188:3 189:3 190:20 191:13
192:1069 193:39 194:60 195:46 196:198 197:167
198:481 199:277 200:331 201:39 202:586 203:425
204:356 205:129 206:189 207:166 208:71 209:112
210:190 211:14 212:127 213:3 214:8 216:83
217:1 218:22 219:5 220:16 222:1 223:14
End of report
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