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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Mar 23 18:05:39 UTC 2024


IPv4 R&E Routing Table Report   18:05 GMT Sat 23 Mar, 2024

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

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

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

BGP routing table entries examined:                               18425
    Prefixes after maximum aggregation (per Origin AS):           10341
    Deaggregation factor:                                          1.78
    Unique aggregates announced (without unneeded subnets):       11423
    Number of IPv4 prefixes with a valid ROA:                      5807
    Number of IPv4 prefixes with an invalid ROA:                      8
    Number of IPv4 prefixes with no ROA:                          12610
Total ASes present in the Internet Routing Table:                  2741
    Prefixes per ASN:                                              6.72
Origin-only ASes present in the Internet Routing Table:            2379
Origin ASes announcing only one prefix:                            1050
Transit ASes present in the Internet Routing Table:                 362
Transit-only ASes present in the Internet Routing Table:             66
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      17
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                11
    Number of instances of unregistered ASNs:                        11
Number of 32-bit ASNs allocated by the RIRs:                      43893
Number of 32-bit ASNs visible in the Routing Table:                 660
Prefixes from 32-bit ASNs in the Routing Table:                    2031
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              2
Number of addresses announced to Internet:                    199130448
    Equivalent to 11 /8s, 222 /16s and 125 /24s
    Percentage of available address space announced:                5.4
    Percentage of allocated address space announced:                5.4
    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:        2042

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

Prefixes being announced by APNIC Region ASes:                     4788
    Total APNIC prefixes after maximum aggregation:                2314
    APNIC Deaggregation factor:                                    2.07
Prefixes being announced from the APNIC address blocks:            4787
    Unique aggregates announced from the APNIC address blocks:     2639
APNIC Region origin ASes present in the Internet Routing Table:     577
    APNIC Prefixes per ASN:                                        8.30
APNIC Region origin ASes announcing only one prefix:                246
APNIC Region transit ASes present in the Internet Routing Table:     57
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    227
Number of APNIC addresses announced to Internet:               45707840
    Equivalent to 2 /8s, 185 /16s and 114 /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:                      7725
    Total ARIN prefixes after maximum aggregation:                 4415
    ARIN Deaggregation factor:                                     1.75
Prefixes being announced from the ARIN address blocks:             7749
    Unique aggregates announced from the ARIN address blocks:      4903
ARIN Region origin ASes present in the Internet Routing Table:     1212
    ARIN Prefixes per ASN:                                         6.39
ARIN Region origin ASes announcing only one prefix:                 422
ARIN Region transit ASes present in the Internet Routing Table:     157
Average ARIN Region AS path length visible:                         5.2
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     193
Number of ARIN addresses announced to Internet:                88862720
    Equivalent to 5 /8s, 75 /16s and 240 /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:                      3602
    Total RIPE prefixes after maximum aggregation:                 2868
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3590
    Unique aggregates announced from the RIPE address blocks:      2902
RIPE Region origin ASes present in the Internet Routing Table:      672
    RIPE Prefixes per ASN:                                         5.34
RIPE Region origin ASes announcing only one prefix:                 299
RIPE Region transit ASes present in the Internet Routing Table:     100
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          17
Number of RIPE region 32-bit ASNs visible in the Routing Table:     146
Number of RIPE addresses announced to Internet:                57611920
    Equivalent to 3 /8s, 111 /16s and 22 /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:                    1324
    Total LACNIC prefixes after maximum aggregation:                559
    LACNIC Deaggregation factor:                                   2.37
Prefixes being announced from the LACNIC address blocks:           1322
    Unique aggregates announced from the LACNIC address blocks:     752
LACNIC Region origin ASes present in the Internet Routing Table:    162
    LACNIC Prefixes per ASN:                                       8.16
LACNIC Region origin ASes announcing only one prefix:                57
LACNIC Region transit ASes present in the Internet Routing Table:    25
Average LACNIC Region AS path length visible:                       6.1
    Max LACNIC Region AS path length visible:                        15
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    66
Number of LACNIC addresses announced to Internet:               4277376
    Equivalent to 0 /8s, 65 /16s and 68 /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:                    975
    Total AfriNIC prefixes after maximum aggregation:               176
    AfriNIC Deaggregation factor:                                  5.54
Prefixes being announced from the AfriNIC address blocks:           975
    Unique aggregates announced from the AfriNIC address blocks:    225
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     19.50
AfriNIC Region origin ASes announcing only one prefix:               26
AfriNIC Region transit ASes present in the Internet Routing Table:    8
Average AfriNIC Region AS path length visible:                      3.1
    Max AfriNIC Region AS path length visible:                        5
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   28
Number of AfriNIC addresses announced to Internet:              2670080
    Equivalent to 0 /8s, 40 /16s and 190 /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         596       2162     465  SINET-AS Research Organization of Infor
  7497         441        180      23  CSTNET-AS-AP Computer Network Informati
  1237         194         74     142  KREONET-AS-KR KISTI, KR
  4538         183       4193      75  ERX-CERNET-BKB China Education and Rese
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  AARNET-AS-AP Australian Academic and Re
 55824         131         19      19  NKN-CORE-NW NKN Core Network, IN
  4762          71          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  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/WACREN/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         201        162     151  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
  2152         145        507      94  CSUNET-NW, US
 18558         141         18       4  NETBLK-RCOEK, US
    81         127        521      30  NCREN, US
 32440         119         35      18  LONI, US
   270         117        328      81  AS270, US
 23024         109          7      19  OCDE, US
  2920         102         34       7  LACOE, US
  1736          79         16       1  MU-AS, US

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

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         284       1899     250  DFN Verein zur Foerderung eines Deutsch
   786         186       1767     183  JANET Jisc Services Limited, GB
  8895         161         24       5  ISU Internet Services Unit ISU, SA
   559         114        533     104  SWITCH Peering requests: peering at switch
  1103          95       1503      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         27      73  ROEDUNET, RO
   137          81        676      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnol
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          77         44      68  RUNNET, RU

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 28391         154         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         108         25      51  Red Universitaria Nacional, CL
  1916          85        176      43  Rede Nacional de Ensino e Pesquisa, BR
271640          67          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          49         16       2  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          45         99      34  Fundacao Carlos Chagas Filho de Amparo 
 61468          43          3      14  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
  3596          36          4       3  Universidad Autonoma Metropolitana, MX

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         365        319      69  TENET-1, ZA
 36914         205         82       3  KENET-AS, KE
327687         163         28       3  RENU, UG
  8094          47         48      18  PUKNET, ZA
327700          45         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA
 37654          11          1       6  RwEdNet-AS, RW
 37215           9          8       1  MAREN, MW

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         596       2162     465  SINET-AS Research Organization of Infor
  7497         441        180      23  CSTNET-AS-AP Computer Network Informati
  2018         365        319      69  TENET-1, ZA
   680         284       1899     250  DFN Verein zur Foerderung eines Deutsch
 36914         205         82       3  KENET-AS, KE
   376         201        162     151  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
  1237         194         74     142  KREONET-AS-KR KISTI, KR
   786         186       1767     183  JANET Jisc Services Limited, GB
  4538         183       4193      75  ERX-CERNET-BKB China Education and Rese

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

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

   ASN  No of nets  Net Savings  Description
  7497         441          418  CSTNET-AS-AP Computer Network Information Cente
  2018         365          296  TENET-1, ZA
 36914         205          202  KENET-AS, KE
  5786         197          196  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
327687         163          160  RENU, UG
  8895         161          156  ISU Internet Services Unit ISU, SA
 18558         141          137  NETBLK-RCOEK, US
 55824         131          112  NKN-CORE-NW NKN Core Network, IN
  4538         183          108  ERX-CERNET-BKB China Education and Research Net

Complete listing at https://bgp.nsrc.org/REN/WACREN/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
     11570  UNALLOCATED  192.94.216.0/24          40498  ABQG, US
     11570  UNALLOCATED  192.207.226.0/24         40498  ABQG, US
     11570  UNALLOCATED  198.59.106.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.107.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.108.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.188.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.189.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.190.0/24          40498  ABQG, US
     11570  UNALLOCATED  204.134.85.0/24          40498  ABQG, US

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

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1835  FSKNET-DK Forskningsnettet - Danish network for

Complete listing at https://bgp.nsrc.org/REN/WACREN/data-spar

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  RESERVED, ZZ
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24       Origin:      1835  FSKNET-DK Forskningsnettet - Danish netw
192.88.99.0/24      Transit:      2603  NORDUNET, DK

Complete listing at https://bgp.nsrc.org/REN/WACREN/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       /12:10      
/13:19      /14:35      /15:120     /16:1967    /17:417     /18:446     
/19:553     /20:842     /21:846     /22:1487    /23:1523    /24:9976    
/25:70      /26:39      /27:70      /28:2       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 36914         192         205  KENET-AS, KE
  8895         156         161  ISU Internet Services Unit ISU, SA
 32440          87         119  LONI, US
 23024          51         109  OCDE, US
327700          39          45  MoRENet, MZ
  3267          35          77  RUNNET, RU
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          32          54  SEAP-AGE, ES
 25977          30          44  HCCS, US

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

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

   1:2         5:15        8:2        12:1        14:91       23:5      
  24:3        31:1        35:6        38:8        40:1        41:121    
  42:16       44:6        45:42       46:5        47:1        49:9      
  50:1        52:1        58:10       59:20       60:6        61:3      
  62:9        63:32       64:44       65:1        66:45       67:41     
  68:10       69:17       70:2        71:1        72:7        74:51     
  76:41       77:11       78:3        79:10       80:12       81:26     
  82:5        83:7        84:8        85:43       86:4        87:1      
  89:10       91:49       92:2        93:4        94:2        95:2      
  96:5        97:1        98:2       101:5       102:39      103:322    
 104:77      108:8       109:8       111:16      114:24      116:8      
 117:61      118:34      119:20      121:28      122:8       123:8      
 124:42      125:5       128:85      129:39      130:83      131:61     
 132:59      133:157     134:107     136:196     137:138     138:57     
 139:5       140:32      141:3       142:40      143:24      144:23     
 145:2       146:135     147:54      148:194     149:11      150:39     
 151:9       152:134     153:14      154:30      155:63      156:67     
 157:20      158:37      159:115     160:30      161:14      162:20     
 163:77      164:14      165:47      166:1       167:8       168:121    
 169:6       170:90      171:1       172:3       173:6       175:25     
 176:8       177:6       179:9       180:15      181:1       182:9      
 184:2       185:53      186:3       187:17      188:13      189:3      
 190:17      191:13      192:1431    193:270     194:145     195:72     
 196:190     197:119     198:446     199:241     200:209     201:37     
 202:636     203:403     204:348     205:126     206:175     207:143    
 208:72      209:110     210:210     211:15      212:159     213:4      
 216:83      217:9       218:22      219:5       220:17      222:3      
 223:14     

End of report


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