[REN-BGP-stats-all] IPv4 R&E Routing Table Report - BDREN (R&E) view

REN Routing Table Report cscora at frr.nsrc.org
Wed Jul 12 19:05:38 UTC 2023


IPv4 R&E Routing Table Report   19:05 GMT Wed 12 Jul, 2023

  IPv4 BGP Table (R&E) as seen at BDREN.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/BDREN/

Analysis Summary
----------------

BGP routing table entries examined:                               19015
    Prefixes after maximum aggregation (per Origin AS):           10507
    Deaggregation factor:                                          1.81
    Unique aggregates announced (without unneeded subnets):       11592
    Number of IPv4 prefixes with a valid ROA:                      5261
    Number of IPv4 prefixes with an invalid ROA:                     20
    Number of IPv4 prefixes with no ROA:                          13734
Total ASes present in the Internet Routing Table:                  2751
    Prefixes per ASN:                                              6.91
Origin-only ASes present in the Internet Routing Table:            2364
Origin ASes announcing only one prefix:                            1043
Transit ASes present in the Internet Routing Table:                 387
Transit-only ASes present in the Internet Routing Table:             79
Paths with bogon ASNs present in the IPv4 Routing Table:              3
Average AS path length visible in the Internet Routing Table:       5.2
    Max AS path length visible:                                      12
    Max AS path prepend of ASN (136911)                              11
Prefixes from unregistered ASNs in the Routing Table:                 9
    Number of instances of unregistered ASNs:                         9
Number of 32-bit ASNs allocated by the RIRs:                      42266
Number of 32-bit ASNs visible in the Routing Table:                 617
Prefixes from 32-bit ASNs in the Routing Table:                    1888
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:              4
Number of addresses announced to Internet:                    203902400
    Equivalent to 12 /8s, 39 /16s and 77 /24s
    Percentage of available address space announced:                5.5
    Percentage of allocated address space announced:                5.5
    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:        2242

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     4799
    Total APNIC prefixes after maximum aggregation:                2260
    APNIC Deaggregation factor:                                    2.12
Prefixes being announced from the APNIC address blocks:            4803
    Unique aggregates announced from the APNIC address blocks:     2585
APNIC Region origin ASes present in the Internet Routing Table:     541
    APNIC Prefixes per ASN:                                        8.88
APNIC Region origin ASes announcing only one prefix:                225
APNIC Region transit ASes present in the Internet Routing Table:     56
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                         12
Number of APNIC region 32-bit ASNs visible in the Routing Table:    204
Number of APNIC addresses announced to Internet:               45826880
    Equivalent to 2 /8s, 187 /16s and 67 /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:                      8075
    Total ARIN prefixes after maximum aggregation:                 4666
    ARIN Deaggregation factor:                                     1.73
Prefixes being announced from the ARIN address blocks:             8091
    Unique aggregates announced from the ARIN address blocks:      5154
ARIN Region origin ASes present in the Internet Routing Table:     1246
    ARIN Prefixes per ASN:                                         6.49
ARIN Region origin ASes announcing only one prefix:                 439
ARIN Region transit ASes present in the Internet Routing Table:     168
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          11
Number of ARIN region 32-bit ASNs visible in the Routing Table:     190
Number of ARIN addresses announced to Internet:                93431008
    Equivalent to 5 /8s, 145 /16s and 164 /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:                      3613
    Total RIPE prefixes after maximum aggregation:                 2857
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3601
    Unique aggregates announced from the RIPE address blocks:      2881
RIPE Region origin ASes present in the Internet Routing Table:      681
    RIPE Prefixes per ASN:                                         5.29
RIPE Region origin ASes announcing only one prefix:                 300
RIPE Region transit ASes present in the Internet Routing Table:     107
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          11
Number of RIPE region 32-bit ASNs visible in the Routing Table:     143
Number of RIPE addresses announced to Internet:                57834752
    Equivalent to 3 /8s, 114 /16s and 125 /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
                       196608-213403
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:                559
    LACNIC Deaggregation factor:                                   2.63
Prefixes being announced from the LACNIC address blocks:           1470
    Unique aggregates announced from the LACNIC address blocks:     760
LACNIC Region origin ASes present in the Internet Routing Table:    163
    LACNIC Prefixes per ASN:                                       9.02
LACNIC Region origin ASes announcing only one prefix:                64
LACNIC Region transit ASes present in the Internet Routing Table:    25
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        11
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    66
Number of LACNIC addresses announced to Internet:               4210592
    Equivalent to 0 /8s, 64 /16s and 63 /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:                   1047
    Total AfriNIC prefixes after maximum aggregation:               156
    AfriNIC Deaggregation factor:                                  6.71
Prefixes being announced from the AfriNIC address blocks:          1046
    Unique aggregates announced from the AfriNIC address blocks:    208
AfriNIC Region origin ASes present in the Internet Routing Table:    37
    AfriNIC Prefixes per ASN:                                     28.27
AfriNIC Region origin ASes announcing only one prefix:               15
AfriNIC Region transit ASes present in the Internet Routing Table:    9
Average AfriNIC Region AS path length visible:                      5.5
    Max AfriNIC Region AS path length visible:                       11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   14
Number of AfriNIC addresses announced to Internet:              2594048
    Equivalent to 0 /8s, 39 /16s and 149 /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         601       2147     466  SINET-AS Research Organization of Infor
  7497         431        180      23  CSTNET-AS-AP Computer Network Informati
  1237         193         74     139  KREONET-AS-KR KISTI, KR
 58647         178         18       2  KAGAWAU-AS Kagawa University, JP
  7575         177        329     120  AARNET-AS-AP Australian Academic and Re
  4758         167         16       2  NICNET-VSNL-BOARDER-AP National Informa
 55824         143         19      32  NKN-CORE-NW NKN Core Network, IN
  4538         130       4192      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

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2152         274        507      94  CSUNET-NW, US
   668         217        636     180  DNIC-AS-00668, US
   376         202        178     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
 18558         134         18       4  NETBLK-RCOEK, US
    81         128        521      31  NCREN, US
 23024         113          7      17  OCDE, US
  2920         109         34       7  LACOE, US
 32440         108         35      18  LONI, US
 21976          85         51      18  NJEDGE-NET, US

Complete listing at https://bgp.nsrc.org/REN/BDREN/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         186       1767     183  JANET Jisc Services Limited, GB
  8895         163         24       5  ISU Internet Services Unit ISU, SA
   559         112        533     104  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/BDREN/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         258        176      42  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         103         24      47  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  1251          56         36      15  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  4270          48         16       1  Red de Interconexion Universitaria, AR
 61468          42          3      14  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
  3596          35          4       3  Universidad Autonoma Metropolitana, MX

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         362        319      72  TENET-1, ZA
 36914         258         82       3  KENET-AS, KE
327687         166         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          39         16       1  MoRENet, MZ
 37215          37          8       1  MAREN, MW
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 37501          11         49       6  UOFS, ZA
 37654          10          1       6  RwEdNet-AS, RW

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         601       2147     466  SINET-AS Research Organization of Infor
  7497         431        180      23  CSTNET-AS-AP Computer Network Informati
  2018         362        319      72  TENET-1, ZA
   680         283       1903     249  DFN Verein zur Foerderung eines Deutsch
  2152         274        507      94  CSUNET-NW, US
  1916         258        176      42  Rede Nacional de Ensino e Pesquisa, BR
 36914         258         82       3  KENET-AS, KE
   668         217        636     180  DNIC-AS-00668, US
   376         202        178     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  7497         431          408  CSTNET-AS-AP Computer Network Information Cente
  2018         362          290  TENET-1, ZA
 36914         258          255  KENET-AS, KE
  1916         258          216  Rede Nacional de Ensino e Pesquisa, BR
  5786         198          197  UPRENET, PR
  2152         274          180  CSUNET-NW, US
 58647         178          176  KAGAWAU-AS Kagawa University, JP
  4758         167          165  NICNET-VSNL-BOARDER-AP National Informatics Cen
327687         166          163  RENU, UG
  8895         163          158  ISU Internet Services Unit ISU, SA

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65200  PRIVATE      43.224.124.0/22         132124  ICTA-LK Information and Comm
     29867  UNALLOCATED  64.202.80.0/20           22742  CT-EDU-NET, US
     65200  PRIVATE      103.11.32.0/22          132124  ICTA-LK Information and Comm
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     29867  UNALLOCATED  192.160.243.0/24         22742  CT-EDU-NET, US
     29867  UNALLOCATED  192.160.244.0/24         22742  CT-EDU-NET, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US
     65200  PRIVATE      220.247.225.0/24        132124  ICTA-LK Information and Comm

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-badAS

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
64.202.80.0/20       Origin:     29867  UNASSIGNED
64.202.80.0/20      Transit:     22742  CT-EDU-NET, US
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:     11537  INTERNET2-RESEARCH-EDU, US
192.31.196.0/24      Origin:       112  UNASSIGNED
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/BDREN/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      
/13:18      /14:33      /15:122     /16:1987    /17:423     /18:436     
/19:577     /20:875     /21:869     /22:1493    /23:1580    /24:10357   
/25:89      /26:64      /27:75      /28:3       /29:0       /30:0       
/31:0       /32:0       

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 36914         246         258  KENET-AS, KE
  8895         158         163  ISU Internet Services Unit ISU, SA
 32440          79         108  LONI, US
 23024          52         113  OCDE, US
  1916          39         258  Rede Nacional de Ensino e Pesquisa, BR
327700          34          39  MoRENet, MZ
200521          33          56  SEAP-AGE, ES
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
  2152          31         274  CSUNET-NW, US

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:1         5:15        6:4         8:2        12:1        14:89     
  23:7        24:3        31:7        35:2        38:9        40:1      
  41:143      42:10       44:6        45:37       46:5        47:1      
  49:9        50:3        52:1        58:1        59:19       60:4      
  61:3        62:10       63:37       64:53       65:1        66:48     
  67:43       68:8        69:19       70:2        71:1        72:7      
  74:50       76:41       77:9        78:3        79:10       80:9      
  81:26       82:7        83:6        84:7        85:41       86:10     
  87:1        89:10       91:48       92:2        93:4        94:4      
  95:2        97:2        98:2       101:2       102:28      103:264    
 104:80      108:10      109:9       111:16      114:23      116:6      
 117:61      118:32      119:18      121:28      122:8       123:8      
 124:37      125:4       128:87      129:40      130:89      131:55     
 132:62      133:155     134:104     136:198     137:134     138:9      
 139:5       140:52      141:1       142:39      143:21      144:26     
 145:2       146:130     147:59      148:193     149:12      150:43     
 151:11      152:136     153:14      154:31      155:63      156:67     
 157:23      158:36      159:115     160:27      161:24      162:26     
 163:80      164:160     165:46      166:1       167:13      168:115    
 169:8       170:67      171:1       172:3       173:7       175:27     
 176:8       177:5       179:12      180:15      181:1       182:1      
 184:3       185:54      186:3       187:17      188:13      189:3      
 190:18      191:13      192:1357    193:296     194:141     195:88     
 196:203     197:163     198:514     199:283     200:297     201:38     
 202:618     203:426     204:361     205:137     206:186     207:191    
 208:71      209:139     210:182     211:3       212:168     213:5      
 214:8       216:87      217:11      218:22      219:6       220:17     
 222:2       223:14     

End of report


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