[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Sep 25 22:10:45 UTC 2023
IPv4 R&E Routing Table Report 22:10 GMT Mon 25 Sep, 2023
IPv4 BGP Table (R&E) as seen at CEDIA.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/CEDIA/
Analysis Summary
----------------
BGP routing table entries examined: 25392
Prefixes after maximum aggregation (per Origin AS): 12518
Deaggregation factor: 2.03
Unique aggregates announced (without unneeded subnets): 14114
Number of IPv4 prefixes with a valid ROA: 11750
Number of IPv4 prefixes with an invalid ROA: 209
Number of IPv4 prefixes with no ROA: 13433
Total ASes present in the Internet Routing Table: 2758
Prefixes per ASN: 9.21
Origin-only ASes present in the Internet Routing Table: 2366
Origin ASes announcing only one prefix: 1040
Transit ASes present in the Internet Routing Table: 392
Transit-only ASes present in the Internet Routing Table: 77
Paths with bogon ASNs present in the IPv4 Routing Table: 1
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 16
Max AS path prepend of ASN ( 10497) 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: 42690
Number of 32-bit ASNs visible in the Routing Table: 634
Prefixes from 32-bit ASNs in the Routing Table: 4687
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: 242153056
Equivalent to 14 /8s, 110 /16s and 246 /24s
Percentage of available address space announced: 6.5
Percentage of allocated address space announced: 6.5
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: 3388
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4681
Total APNIC prefixes after maximum aggregation: 2299
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4725
Unique aggregates announced from the APNIC address blocks: 2668
APNIC Region origin ASes present in the Internet Routing Table: 547
APNIC Prefixes per ASN: 8.64
APNIC Region origin ASes announcing only one prefix: 227
APNIC Region transit ASes present in the Internet Routing Table: 59
Average APNIC Region AS path length visible: 5.9
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 206
Number of APNIC addresses announced to Internet: 45651008
Equivalent to 2 /8s, 184 /16s and 148 /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: 14328
Total ARIN prefixes after maximum aggregation: 6438
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 14132
Unique aggregates announced from the ARIN address blocks: 7205
ARIN Region origin ASes present in the Internet Routing Table: 1224
ARIN Prefixes per ASN: 11.55
ARIN Region origin ASes announcing only one prefix: 427
ARIN Region transit ASes present in the Internet Routing Table: 161
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 192
Number of ARIN addresses announced to Internet: 131444001
Equivalent to 7 /8s, 213 /16s and 173 /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: 2905
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3815
Unique aggregates announced from the RIPE address blocks: 3124
RIPE Region origin ASes present in the Internet Routing Table: 694
RIPE Prefixes per ASN: 5.50
RIPE Region origin ASes announcing only one prefix: 304
RIPE Region transit ASes present in the Internet Routing Table: 110
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 145
Number of RIPE addresses announced to Internet: 58085376
Equivalent to 3 /8s, 118 /16s and 80 /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: 1638
Total LACNIC prefixes after maximum aggregation: 700
LACNIC Deaggregation factor: 2.34
Prefixes being announced from the LACNIC address blocks: 1642
Unique aggregates announced from the LACNIC address blocks: 894
LACNIC Region origin ASes present in the Internet Routing Table: 165
LACNIC Prefixes per ASN: 9.95
LACNIC Region origin ASes announcing only one prefix: 56
LACNIC Region transit ASes present in the Internet Routing Table: 29
Average LACNIC Region AS path length visible: 4.5
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: 4254975
Equivalent to 0 /8s, 64 /16s and 236 /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: 1073
Total AfriNIC prefixes after maximum aggregation: 172
AfriNIC Deaggregation factor: 6.24
Prefixes being announced from the AfriNIC address blocks: 1073
Unique aggregates announced from the AfriNIC address blocks: 218
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 22.35
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: 4.3
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24
Number of AfriNIC addresses announced to Internet: 2651136
Equivalent to 0 /8s, 40 /16s and 116 /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 604 2163 467 SINET-AS Research Organization of Infor
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
1237 195 74 141 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 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/CEDIA/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2697 3597 394 GOOGLE-CLOUD-PLATFORM, US
16509 2132 1635 841 AMAZON-02, US
15169 827 1997 61 GOOGLE, US
14618 817 4019 615 AMAZON-AES, US
376 201 178 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
36492 157 11 35 GOOGLEWIFI, US
2152 141 507 92 CSUNET-NW, US
18558 141 18 4 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 284 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 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/CEDIA/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 253 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
27947 125 0 97 Telconet S.A, EC
11340 115 25 52 Red Universitaria Nacional, CL
271640 72 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
2715 59 102 39 Fundacao Carlos Chagas Filho de Amparo
4270 48 16 1 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
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/CEDIA/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 375 319 71 TENET-1, ZA
36914 253 82 3 KENET-AS, KE
327687 166 28 3 RENU, UG
8094 47 48 18 PUKNET, ZA
327700 42 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
37182 31 8 1 TERNET, TZ
6879 24 2 9 ENSTINET-, EG
37074 14 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2697 3597 394 GOOGLE-CLOUD-PLATFORM, US
16509 2132 1635 841 AMAZON-02, US
15169 827 1997 61 GOOGLE, US
14618 817 4019 615 AMAZON-AES, US
2907 604 2163 467 SINET-AS Research Organization of Infor
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
2018 375 319 71 TENET-1, ZA
680 284 1903 249 DFN Verein zur Foerderung eines Deutsch
1916 253 176 43 Rede Nacional de Ensino e Pesquisa, BR
36914 253 82 3 KENET-AS, KE
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
16509 2132 1291 AMAZON-02, US
15169 827 766 GOOGLE, US
7497 437 414 CSTNET-AS-AP Computer Network Information Cente
2018 375 304 TENET-1, ZA
36914 253 250 KENET-AS, KE
1916 253 210 Rede Nacional de Ensino e Pesquisa, BR
14618 817 202 AMAZON-AES, US
5786 197 196 UPRENET, PR
58647 177 175 KAGAWAU-AS Kagawa University, JP
327687 166 163 RENU, UG
Complete listing at https://bgp.nsrc.org/REN/CEDIA/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
64507 DOCUMENT 170.79.91.8/29 27817 Red Nacional Academica de Te
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/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
170.39.88.0/24 Origin: 14618 AMAZON-AES, US
170.39.88.0/24 Transit: 16509 AMAZON-02, US
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, US
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/CEDIA/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 /11:4 /12:19
/13:34 /14:81 /15:161 /16:2092 /17:503 /18:468
/19:711 /20:2778 /21:1021 /22:1650 /23:1716 /24:13723
/25:89 /26:69 /27:78 /28:22 /29:85 /30:41
/31:35 /32:9
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 294 2132 AMAZON-02, US
15169 275 827 GOOGLE, US
14618 266 817 AMAZON-AES, US
36914 242 253 KENET-AS, KE
396982 197 2697 GOOGLE-CLOUD-PLATFORM, US
8895 158 163 ISU Internet Services Unit ISU, SA
27947 98 125 Telconet S.A, EC
32440 80 109 LONI, US
23024 52 113 OCDE, US
1916 40 253 Rede Nacional de Ensino e Pesquisa, BR
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 3:77 5:20 8:28 12:1 13:44
14:89 15:70 16:112 18:59 23:111 24:3
31:9 34:20 35:47 38:9 40:1 41:140
42:10 43:1 44:8 45:61 46:11 47:1
49:9 50:3 52:558 54:228 58:1 59:19
60:5 61:3 62:11 63:37 64:164 65:12
66:70 67:60 68:13 69:36 70:43 71:3
72:13 74:140 76:46 77:11 78:3 79:10
80:13 81:27 82:7 83:6 84:10 85:46
86:10 87:2 88:1 89:17 91:58 92:4
93:4 94:4 95:2 96:7 97:1 98:11
99:47 101:3 102:29 103:294 104:212 107:33
108:101 109:12 111:16 114:31 115:1 116:8
117:61 118:32 119:18 121:28 122:8 123:8
124:40 125:4 128:87 129:48 130:143 131:63
132:60 133:152 134:105 135:3 136:293 137:145
138:10 139:17 140:38 141:4 142:276 143:22
144:39 145:3 146:144 147:63 148:201 149:17
150:44 151:16 152:149 153:14 154:31 155:73
156:66 157:23 158:40 159:148 160:30 161:36
162:85 163:86 164:20 165:50 166:1 167:22
168:151 169:12 170:133 171:1 172:114 173:114
174:2 175:27 176:11 177:5 178:1 179:9
180:15 182:1 184:7 185:103 186:3 187:18
188:19 189:3 190:5 191:13 192:1491 193:311
194:129 195:90 196:198 197:167 198:500 199:299
200:324 201:36 202:626 203:429 204:375 205:147
206:203 207:190 208:133 209:163 210:196 211:14
212:170 213:15 216:165 217:11 218:22 219:5
220:16 222:2 223:14
End of report
More information about the ren-bgp-stats-all
mailing list