[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Oct 3 22:10:45 UTC 2024
IPv4 R&E Routing Table Report 22:10 GMT Thu 03 Oct, 2024
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: 26835
Prefixes after maximum aggregation (per Origin AS): 13129
Deaggregation factor: 2.04
Unique aggregates announced (without unneeded subnets): 14875
Number of IPv4 prefixes with a valid ROA: 14356
Number of IPv4 prefixes with an invalid ROA: 151
Number of IPv4 prefixes with no ROA: 12328
Total ASes present in the Internet Routing Table: 2798
Prefixes per ASN: 9.59
Origin-only ASes present in the Internet Routing Table: 2418
Origin ASes announcing only one prefix: 1068
Transit ASes present in the Internet Routing Table: 380
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: 4.9
Max AS path length visible: 19
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: 45467
Number of 32-bit ASNs visible in the Routing Table: 694
Prefixes from 32-bit ASNs in the Routing Table: 4886
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: 11
Number of addresses announced to Internet: 242910662
Equivalent to 14 /8s, 122 /16s and 133 /24s
Percentage of available address space announced: 6.6
Percentage of allocated address space announced: 6.6
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: 3748
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4718
Total APNIC prefixes after maximum aggregation: 2306
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4776
Unique aggregates announced from the APNIC address blocks: 2712
APNIC Region origin ASes present in the Internet Routing Table: 586
APNIC Prefixes per ASN: 8.15
APNIC Region origin ASes announcing only one prefix: 245
APNIC Region transit ASes present in the Internet Routing Table: 62
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: 231
Number of APNIC addresses announced to Internet: 45793088
Equivalent to 2 /8s, 186 /16s and 191 /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: 15768
Total ARIN prefixes after maximum aggregation: 7128
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 15495
Unique aggregates announced from the ARIN address blocks: 7950
ARIN Region origin ASes present in the Internet Routing Table: 1274
ARIN Prefixes per ASN: 12.16
ARIN Region origin ASes announcing only one prefix: 448
ARIN Region transit ASes present in the Internet Routing Table: 157
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 17
Number of ARIN region 32-bit ASNs visible in the Routing Table: 216
Number of ARIN addresses announced to Internet: 130717857
Equivalent to 7 /8s, 202 /16s and 152 /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: 3602
Total RIPE prefixes after maximum aggregation: 2892
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3800
Unique aggregates announced from the RIPE address blocks: 3186
RIPE Region origin ASes present in the Internet Routing Table: 670
RIPE Prefixes per ASN: 5.67
RIPE Region origin ASes announcing only one prefix: 299
RIPE Region transit ASes present in the Internet Routing Table: 105
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 156
Number of RIPE addresses announced to Internet: 59702672
Equivalent to 3 /8s, 142 /16s and 253 /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: 1588
Total LACNIC prefixes after maximum aggregation: 631
LACNIC Deaggregation factor: 2.52
Prefixes being announced from the LACNIC address blocks: 1591
Unique aggregates announced from the LACNIC address blocks: 797
LACNIC Region origin ASes present in the Internet Routing Table: 153
LACNIC Prefixes per ASN: 10.40
LACNIC Region origin ASes announcing only one prefix: 46
LACNIC Region transit ASes present in the Internet Routing Table: 25
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 61
Number of LACNIC addresses announced to Internet: 4212821
Equivalent to 0 /8s, 64 /16s and 72 /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: 1158
Total AfriNIC prefixes after maximum aggregation: 171
AfriNIC Deaggregation factor: 6.77
Prefixes being announced from the AfriNIC address blocks: 1162
Unique aggregates announced from the AfriNIC address blocks: 220
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 23.71
AfriNIC Region origin ASes announcing only one prefix: 30
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 30
Number of AfriNIC addresses announced to Internet: 2472192
Equivalent to 0 /8s, 37 /16s and 185 /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 600 2170 465 SINET-AS Research Organization of Informa
7497 451 212 25 CSTNET-AS-AP Computer Network Information
1237 193 74 145 KREONET-AS-KR KISTI, KR
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Rese
55824 132 18 19 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
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
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 2837 3603 419 GOOGLE-CLOUD-PLATFORM, US
16509 2334 1744 1033 AMAZON-02, US
14618 1008 4309 756 AMAZON-AES, US
15169 835 2007 68 GOOGLE, US
2152 448 507 97 CENIC-2152, US
2920 224 44 45 LACOE, US
376 200 162 149 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
270 162 345 88 AS270, US
18558 140 18 4 NETBLK-RCOEK, 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
680 282 1899 249 DFN Verein zur Foerderung eines Deutschen
786 185 1767 182 JANET Jisc Services Limited, GB
8895 135 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch.c
1103 97 2015 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 92 26 72 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/CEDIA/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 281 180 43 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M
11340 117 25 56 Red Universitaria Nacional, CL
27947 104 0 85 Telconet S.A, EC
271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
2715 49 99 35 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
3596 40 8 4 Universidad Autonoma Metropolitana, MX
28614 38 2 2 Fundacao Universidade Regional de Blumena
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
36914 528 82 3 KENET-AS, KE
2018 382 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
327700 38 16 1 MoRENet, MZ
37215 33 8 1 MAREN, MW
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/CEDIA/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2837 3603 419 GOOGLE-CLOUD-PLATFORM, US
16509 2334 1744 1033 AMAZON-02, US
14618 1008 4309 756 AMAZON-AES, US
15169 835 2007 68 GOOGLE, US
2907 600 2170 465 SINET-AS Research Organization of Informa
36914 528 82 3 KENET-AS, KE
7497 451 212 25 CSTNET-AS-AP Computer Network Information
2152 448 507 97 CENIC-2152, US
2018 382 319 71 TENET-1, ZA
680 282 1899 249 DFN Verein zur Foerderung eines Deutschen
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 2334 1301 AMAZON-02, US
15169 835 767 GOOGLE, US
36914 528 525 KENET-AS, KE
7497 451 426 CSTNET-AS-AP Computer Network Information Cente
2152 448 351 CENIC-2152, US
2018 382 311 TENET-1, ZA
14618 1008 252 AMAZON-AES, US
1916 281 238 Rede Nacional de Ensino e Pesquisa, BR
5786 197 196 UPRENET, PR
2920 224 179 LACOE, US
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
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
103.165.160.0/24 Origin: 16509 AMAZON-02, US
103.165.160.0/24 Transit: 27750 Cooperacion Latino Americana de Redes Av
164.160.192.0/21 Origin: 37661 NRaE1-AS, NG
164.160.192.0/21 Transit: 37288 WACREN, SN
170.39.88.0/24 Origin: 14618 AMAZON-AES, US
170.39.88.0/24 Transit: 16509 AMAZON-02, US
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, US
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/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 /10:1 /11:5 /12:19
/13:36 /14:81 /15:159 /16:2105 /17:517 /18:519
/19:755 /20:2802 /21:1107 /22:1692 /23:1853 /24:14866
/25:50 /26:74 /27:38 /28:20 /29:71 /30:27
/31:32 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 507 528 KENET-AS, KE
16509 380 2334 AMAZON-02, US
14618 323 1008 AMAZON-AES, US
15169 268 835 GOOGLE, US
396982 254 2837 GOOGLE-CLOUD-PLATFORM, US
8895 130 135 ISU Internet Services Unit ISU, SA
27947 85 104 Telconet S.A, EC
1916 70 281 Rede Nacional de Ensino e Pesquisa, BR
2152 43 448 CENIC-2152, US
23024 37 95 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 3:102 5:22 8:28 12:1 13:47
14:92 15:72 16:119 18:83 23:109 24:3
31:5 34:23 35:49 36:1 37:8 38:10
40:5 41:239 42:10 43:2 44:6 45:70
46:10 47:1 49:11 50:8 52:550 54:163
57:5 58:1 59:19 60:6 61:3 62:9
63:37 64:150 65:17 66:85 67:67 68:17
69:39 70:42 71:3 72:14 74:154 75:1
76:48 77:12 78:3 79:9 80:13 81:25
82:7 83:7 84:7 85:50 86:5 87:4
88:1 89:20 91:54 92:7 93:46 94:2
95:2 96:7 97:1 98:10 99:47 101:2
102:17 103:352 104:230 107:38 108:112 109:7
111:16 113:2 114:32 115:1 116:11 117:62
118:34 119:25 121:28 122:8 123:8 124:42
125:5 128:52 129:41 130:147 131:66 132:65
133:154 134:107 135:3 136:304 137:98 138:60
139:18 140:41 141:9 142:303 143:26 144:44
145:3 146:145 147:75 148:202 149:18 150:41
151:38 152:152 153:14 154:38 155:82 156:142
157:35 158:39 159:157 160:30 161:31 162:85
163:66 164:24 165:67 166:3 167:37 168:171
169:13 170:153 171:1 172:114 173:111 174:2
175:16 176:3 177:6 178:1 179:10 180:16
182:9 184:10 185:106 186:3 187:17 188:18
189:3 190:3 191:13 192:1538 193:289 194:124
195:74 196:149 197:324 198:576 199:327 200:323
201:34 202:647 203:440 204:423 205:185 206:229
207:324 208:149 209:226 210:217 211:3 212:172
213:17 216:204 217:12 218:21 219:5 220:17
222:2 223:15
End of report
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