[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AARNET (Seattle) (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Oct 29 21:00:39 UTC 2024
IPv4 R&E Routing Table Report 21:00 GMT Tue 29 Oct, 2024
IPv4 BGP Table (R&E) as seen at AARNET (Seattle).
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/AARNET-Seattle/
Analysis Summary
----------------
BGP routing table entries examined: 18724
Prefixes after maximum aggregation (per Origin AS): 10232
Deaggregation factor: 1.83
Unique aggregates announced (without unneeded subnets): 11279
Number of IPv4 prefixes with a valid ROA: 7093
Number of IPv4 prefixes with an invalid ROA: 4
Number of IPv4 prefixes with no ROA: 11627
Total ASes present in the Internet Routing Table: 2670
Prefixes per ASN: 7.01
Origin-only ASes present in the Internet Routing Table: 2300
Origin ASes announcing only one prefix: 1012
Transit ASes present in the Internet Routing Table: 370
Transit-only ASes present in the Internet Routing Table: 70
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: 20
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 1
Number of instances of unregistered ASNs: 1
Number of 32-bit ASNs allocated by the RIRs: 45670
Number of 32-bit ASNs visible in the Routing Table: 623
Prefixes from 32-bit ASNs in the Routing Table: 1770
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: 2
Number of addresses announced to Internet: 196736512
Equivalent to 11 /8s, 185 /16s and 246 /24s
Percentage of available address space announced: 5.3
Percentage of allocated address space announced: 5.3
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: 2309
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4066
Total APNIC prefixes after maximum aggregation: 1862
APNIC Deaggregation factor: 2.18
Prefixes being announced from the APNIC address blocks: 4066
Unique aggregates announced from the APNIC address blocks: 2138
APNIC Region origin ASes present in the Internet Routing Table: 449
APNIC Prefixes per ASN: 9.06
APNIC Region origin ASes announcing only one prefix: 177
APNIC Region transit ASes present in the Internet Routing Table: 53
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 164
Number of APNIC addresses announced to Internet: 41228032
Equivalent to 2 /8s, 117 /16s and 23 /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: 8548
Total ARIN prefixes after maximum aggregation: 4830
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 8561
Unique aggregates announced from the ARIN address blocks: 5308
ARIN Region origin ASes present in the Internet Routing Table: 1277
ARIN Prefixes per ASN: 6.70
ARIN Region origin ASes announcing only one prefix: 452
ARIN Region transit ASes present in the Internet Routing Table: 153
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 211
Number of ARIN addresses announced to Internet: 90339584
Equivalent to 5 /8s, 98 /16s and 121 /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, 393216-402332
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: 3545
Total RIPE prefixes after maximum aggregation: 2842
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3533
Unique aggregates announced from the RIPE address blocks: 2915
RIPE Region origin ASes present in the Internet Routing Table: 671
RIPE Prefixes per ASN: 5.27
RIPE Region origin ASes announcing only one prefix: 302
RIPE Region transit ASes present in the Internet Routing Table: 108
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 17
Number of RIPE region 32-bit ASNs visible in the Routing Table: 158
Number of RIPE addresses announced to Internet: 58663936
Equivalent to 3 /8s, 127 /16s and 36 /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: 1427
Total LACNIC prefixes after maximum aggregation: 532
LACNIC Deaggregation factor: 2.68
Prefixes being announced from the LACNIC address blocks: 1426
Unique aggregates announced from the LACNIC address blocks: 715
LACNIC Region origin ASes present in the Internet Routing Table: 152
LACNIC Prefixes per ASN: 9.38
LACNIC Region origin ASes announcing only one prefix: 50
LACNIC Region transit ASes present in the Internet Routing Table: 22
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 63
Number of LACNIC addresses announced to Internet: 4124928
Equivalent to 0 /8s, 62 /16s and 241 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 1137
Total AfriNIC prefixes after maximum aggregation: 165
AfriNIC Deaggregation factor: 6.89
Prefixes being announced from the AfriNIC address blocks: 1136
Unique aggregates announced from the AfriNIC address blocks: 201
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 22.72
AfriNIC Region origin ASes announcing only one prefix: 31
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27
Number of AfriNIC addresses announced to Internet: 2377728
Equivalent to 0 /8s, 36 /16s and 72 /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 590 2170 464 SINET-AS Research Organization of Informa
7497 449 212 25 CSTNET-AS-AP Computer Network Information
1237 191 74 145 KREONET-AS-KR KISTI, KR
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
55824 133 19 20 NKN-CORE-NW NKN Core Network, IN
4538 129 4192 72 ERX-CERNET-BKB China Education and Resear
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 69 37 10 UNINET-AS-AP UNINET-, TH
2697 60 4 35 ERX-ERNET-AS Education and Research Netwo
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2152 430 507 99 CENIC-2152, US
2920 224 44 45 LACOE, US
668 204 632 173 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
5786 196 16 1 UPRENET, PR
18558 140 18 4 NETBLK-RCOEK, US
81 134 517 33 NCREN, US
23024 95 7 21 OCDE, US
21976 91 50 17 NJEDGE-NET, US
237 85 541 50 MERIT-AS-14, US
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 283 1899 249 DFN Verein zur Foerderung eines Deutschen
786 187 1767 184 JANET Jisc Services Limited, GB
8895 133 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch.c
1103 97 1759 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 26 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog
553 78 462 78 BELWUE BelWue-Koordination, DE
3267 76 26 66 NIKS, RU
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 210 178 42 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M
11340 110 25 53 Red Universitaria Nacional, CL
271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
61468 51 5 17 CEDIA, EC
2715 50 100 36 Fundacao Carlos Chagas Filho de Amparo a
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
4270 46 16 1 Red de Interconexion Universitaria, AR
28614 38 2 2 Fundacao Universidade Regional de Blumena
1251 37 31 26 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 530 82 3 KENET-AS, KE
2018 377 319 71 TENET-1, ZA
327700 36 16 1 MoRENet, MZ
37215 33 8 1 MAREN, MW
8094 31 26 12 PUKNET, ZA
6879 24 2 9 ENSTINET-, EG
37074 15 8 2 UG-AS, GH
37661 12 8 4 NRaE1-AS, NG
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 590 2170 464 SINET-AS Research Organization of Informa
36914 530 82 3 KENET-AS, KE
7497 449 212 25 CSTNET-AS-AP Computer Network Information
2152 430 507 99 CENIC-2152, US
2018 377 319 71 TENET-1, ZA
680 283 1899 249 DFN Verein zur Foerderung eines Deutschen
2920 224 44 45 LACOE, US
1916 210 178 42 Rede Nacional de Ensino e Pesquisa, BR
668 204 632 173 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 530 527 KENET-AS, KE
7497 449 424 CSTNET-AS-AP Computer Network Information Cente
2152 430 331 CENIC-2152, US
2018 377 306 TENET-1, ZA
5786 196 195 UPRENET, PR
2920 224 179 LACOE, US
58647 180 178 KAGAWAU-AS Kagawa University, JP
1916 210 168 Rede Nacional de Ensino e Pesquisa, BR
18558 140 136 NETBLK-RCOEK, US
8895 133 128 ISU Internet Services Unit ISU, SA
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
164.160.192.0/21 Origin: 37661 NRaE1-AS, NG
164.160.192.0/21 Transit: 37288 WACREN, SN
202.14.117.0/24 Origin: 17827 STOU-AS-TH Sukhothai Thammathirat Open U
202.14.117.0/24 Transit: 4621 UNINET-AS-AP UNINET-, TH
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/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 /10:1 /11:1 /12:11
/13:18 /14:33 /15:118 /16:1931 /17:413 /18:442
/19:562 /20:853 /21:872 /22:1445 /23:1568 /24:10455
/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 509 530 KENET-AS, KE
8895 128 133 ISU Internet Services Unit ISU, SA
2152 42 430 CENIC-2152, US
23024 37 95 OCDE, US
32440 37 64 LONI, US
3267 35 76 NIKS, RU
327700 35 36 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
200521 31 54 SEAP-AGE, ES
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 6:4 8:2 12:1 14:92
23:8 24:3 31:1 35:3 37:8 38:10
40:1 41:243 42:11 44:5 45:49 46:4
47:1 49:11 50:4 52:1 59:19 60:6
61:3 62:9 63:36 64:45 65:4 66:57
67:42 68:13 69:19 70:2 71:1 72:7
74:54 76:42 77:10 78:3 79:10 80:12
81:25 82:7 83:7 84:8 85:45 86:5
87:1 89:11 91:44 92:2 93:13 94:2
95:2 96:5 97:1 98:2 101:1 102:12
103:223 104:79 107:2 108:8 109:4 111:16
113:2 114:24 116:9 117:61 118:33 119:23
121:27 122:8 123:8 124:42 125:5 128:55
129:36 130:93 131:57 132:51 133:154 134:109
136:196 137:83 138:50 139:6 140:35 141:3
142:52 143:22 144:28 145:2 146:136 147:63
148:195 149:12 150:37 151:9 152:137 153:14
154:39 155:60 156:127 157:26 158:31 159:121
160:31 161:17 162:24 163:63 164:11 165:49
166:1 167:25 168:120 169:7 170:96 171:1
172:2 173:7 175:5 177:6 179:13 180:15
184:2 185:53 186:3 187:21 188:13 189:3
190:18 191:13 192:1360 193:263 194:123 195:66
196:145 197:324 198:539 199:278 200:328 201:37
202:610 203:274 204:403 205:161 206:215 207:284
208:67 209:137 210:201 211:3 212:166 213:6
214:8 216:90 217:9 218:21 219:5 220:17
222:2 223:15
End of report
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