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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Aug 20 18:06:29 UTC 2024


IPv4 R&E Routing Table Report   18:05 GMT Tue 20 Aug, 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:                               18801
    Prefixes after maximum aggregation (per Origin AS):           10403
    Deaggregation factor:                                          1.81
    Unique aggregates announced (without unneeded subnets):       11498
    Number of IPv4 prefixes with a valid ROA:                      6195
    Number of IPv4 prefixes with an invalid ROA:                      9
    Number of IPv4 prefixes with no ROA:                          12597
Total ASes present in the Internet Routing Table:                  2722
    Prefixes per ASN:                                              6.91
Origin-only ASes present in the Internet Routing Table:            2363
Origin ASes announcing only one prefix:                            1042
Transit ASes present in the Internet Routing Table:                 359
Transit-only ASes present in the Internet Routing Table:             61
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:                                      16
    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:                      45200
Number of 32-bit ASNs visible in the Routing Table:                 656
Prefixes from 32-bit ASNs in the Routing Table:                    1862
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:              7
Number of addresses announced to Internet:                    199972912
    Equivalent to 11 /8s, 235 /16s and 88 /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:        2296

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

Prefixes being announced by APNIC Region ASes:                     4829
    Total APNIC prefixes after maximum aggregation:                2331
    APNIC Deaggregation factor:                                    2.07
Prefixes being announced from the APNIC address blocks:            4824
    Unique aggregates announced from the APNIC address blocks:     2671
APNIC Region origin ASes present in the Internet Routing Table:     582
    APNIC Prefixes per ASN:                                        8.29
APNIC Region origin ASes announcing only one prefix:                244
APNIC Region transit ASes present in the Internet Routing Table:     60
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    229
Number of APNIC addresses announced to Internet:               45753920
    Equivalent to 2 /8s, 186 /16s and 38 /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:                      7871
    Total ARIN prefixes after maximum aggregation:                 4548
    ARIN Deaggregation factor:                                     1.73
Prefixes being announced from the ARIN address blocks:             7883
    Unique aggregates announced from the ARIN address blocks:      5031
ARIN Region origin ASes present in the Internet Routing Table:     1227
    ARIN Prefixes per ASN:                                         6.42
ARIN Region origin ASes announcing only one prefix:                 434
ARIN Region transit ASes present in the Internet Routing Table:     150
Average ARIN Region AS path length visible:                         5.2
    Max ARIN Region AS path length visible:                          16
Number of ARIN region 32-bit ASNs visible in the Routing Table:     199
Number of ARIN addresses announced to Internet:                87986272
    Equivalent to 5 /8s, 62 /16s and 144 /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:                      3536
    Total RIPE prefixes after maximum aggregation:                 2829
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3525
    Unique aggregates announced from the RIPE address blocks:      2872
RIPE Region origin ASes present in the Internet Routing Table:      663
    RIPE Prefixes per ASN:                                         5.32
RIPE Region origin ASes announcing only one prefix:                 294
RIPE Region transit ASes present in the Internet Routing Table:     104
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     153
Number of RIPE addresses announced to Internet:                59604624
    Equivalent to 3 /8s, 141 /16s and 126 /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:                    1423
    Total LACNIC prefixes after maximum aggregation:                539
    LACNIC Deaggregation factor:                                   2.64
Prefixes being announced from the LACNIC address blocks:           1422
    Unique aggregates announced from the LACNIC address blocks:     720
LACNIC Region origin ASes present in the Internet Routing Table:    157
    LACNIC Prefixes per ASN:                                       9.06
LACNIC Region origin ASes announcing only one prefix:                56
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       5.8
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    64
Number of LACNIC addresses announced to Internet:               4193792
    Equivalent to 0 /8s, 63 /16s and 254 /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:                   1141
    Total AfriNIC prefixes after maximum aggregation:               155
    AfriNIC Deaggregation factor:                                  7.36
Prefixes being announced from the AfriNIC address blocks:          1140
    Unique aggregates announced from the AfriNIC address blocks:    198
AfriNIC Region origin ASes present in the Internet Routing Table:    31
    AfriNIC Prefixes per ASN:                                     36.77
AfriNIC Region origin ASes announcing only one prefix:               14
AfriNIC Region transit ASes present in the Internet Routing Table:    7
Average AfriNIC Region AS path length visible:                      3.1
    Max AfriNIC Region AS path length visible:                        6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   11
Number of AfriNIC addresses announced to Internet:              2423296
    Equivalent to 0 /8s, 36 /16s and 250 /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         598       2169     465  SINET-AS Research Organization of Informa
  7497         447        180      24  CSTNET-AS-AP Computer Network Information
  1237         192         74     145  KREONET-AS-KR KISTI, KR
  4538         192       4193      75  ERX-CERNET-BKB China Education and Resear
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         171        329     114  AARNET-AS-AP Australian Academic and Rese
 55824         132         18      19  NKN-CORE-NW NKN Core Network, IN
  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/WACREN/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         199        162     149  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  2920         175         34       7  LACOE, US
   270         162        345      88  AS270, US
  2152         150        507      97  CENIC-2152, US
 18558         140         18       4  NETBLK-RCOEK, US
    81         133        517      33  NCREN, US
 23024          95          7      21  OCDE, US
 21976          87         50      17  NJEDGE-NET, US
   237          85        541      50  MERIT-AS-14, 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         283       1899     250  DFN Verein zur Foerderung eines Deutschen
   786         184       1767     181  JANET Jisc Services Limited, GB
  8895         136         24       5  ISU Internet Services Unit ISU, SA
   559         113        533     103  SWITCH Peering requests: peering at switch.c
  1103          97       2015      84  SURFNET-NL SURFnet, The Netherlands, NL
  2614          90         26      70  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/WACREN/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         199        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco, M
 11340         109         25      52  Red Universitaria Nacional, CL
271640          67          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 61468          49          5      17  CEDIA, EC
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, BR
  4270          46         16       1  Red de Interconexion Universitaria, AR
  2715          45         99      34  Fundacao Carlos Chagas Filho de Amparo a 
  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/WACREN/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         525         82       3  KENET-AS, KE
  2018         381        319      71  TENET-1, ZA
327700          49         16       1  MoRENet, MZ
  8094          47         48      18  PUKNET, ZA
 37182          38          8       1  TERNET, TZ
  6879          24          2       9  ENSTINET-, EG
 37661          15          9       7  NRaE1-AS, NG
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA
 37215           7          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         598       2169     465  SINET-AS Research Organization of Informa
 36914         525         82       3  KENET-AS, KE
  7497         447        180      24  CSTNET-AS-AP Computer Network Information
  2018         381        319      71  TENET-1, ZA
   680         283       1899     250  DFN Verein zur Foerderung eines Deutschen
   376         199        162     149  RISQ-AS, CA
  1916         199        176      43  Rede Nacional de Ensino e Pesquisa, BR
  5786         199         16       1  UPRENET, PR
  1237         192         74     145  KREONET-AS-KR KISTI, KR
  4538         192       4193      75  ERX-CERNET-BKB China Education and Resear

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

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

   ASN  No of nets  Net Savings  Description
 36914         525          522  KENET-AS, KE
  7497         447          423  CSTNET-AS-AP Computer Network Information Cente
  2018         381          310  TENET-1, ZA
  5786         199          198  UPRENET, PR
 58647         180          178  KAGAWAU-AS Kagawa University, JP
  2920         175          168  LACOE, US
  1916         199          156  Rede Nacional de Ensino e Pesquisa, BR
 18558         140          136  NETBLK-RCOEK, US
  8895         136          131  ISU Internet Services Unit ISU, SA
  4538         192          117  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
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, US

Complete listing at https://bgp.nsrc.org/REN/WACREN/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
192.31.196.0/24      Origin:       112  RESERVED, ZZ
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
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
202.46.0.0/20        Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.0.0/20       Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.240.0/20      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.240.0/20     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese

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       /11:2       /12:10      
/13:19      /14:35      /15:117     /16:1964    /17:410     /18:423     
/19:556     /20:839     /21:853     /22:1380    /23:1503    /24:10539   
/25:39      /26:51      /27:33      /28:6       /29:12      /30:5       
/31:0       /32:3       

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

   ASN  No of nets  Total ann.  Description
 36914         502         525  KENET-AS, KE
  8895         131         136  ISU Internet Services Unit ISU, SA
327700          43          49  MoRENet, MZ
  1916          39         199  Rede Nacional de Ensino e Pesquisa, BR
 23024          38          95  OCDE, US
 37182          37          38  TERNET, TZ
 32440          36          63  LONI, US
  3267          35          76  NIKS, RU
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, 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        14:92       23:5      
  24:3        31:1        35:3        37:8        38:10       40:1      
  41:260      42:17       44:5        45:49       46:5        47:1      
  49:10       50:3        52:1        58:17       59:20       60:6      
  61:3        62:7        63:33       64:44       65:1        66:43     
  67:42       68:12       69:18       70:2        71:1        72:7      
  74:53       76:41       77:10       78:3        79:10       80:13     
  81:24       82:6        83:7        84:5        85:33       86:5      
  87:1        89:11       91:44       92:2        93:13       94:2      
  95:2        96:5        97:1        98:2       101:4       102:6      
 103:326     104:77      108:8       109:5       111:16      113:2      
 114:24      116:9       117:61      118:35      119:23      121:28     
 122:8       123:8       124:42      125:5       128:84      129:34     
 130:95      131:61      132:67      133:154     134:105     136:192    
 137:51      138:58      139:6       140:34      141:3       142:24     
 143:24      144:23      145:2       146:135     147:60      148:193    
 149:13      150:40      151:9       152:135     153:15      154:37     
 155:63      156:138     157:21      158:35      159:121     160:30     
 161:16      162:22      163:59      164:14      165:46      166:1      
 167:10      168:119     169:6       170:89      171:1       172:2      
 173:6       175:29      177:6       179:13      180:16      181:1      
 182:9       184:7       185:51      186:3       187:20      188:13     
 189:3       190:18      191:13      192:1444    193:267     194:139    
 195:72      196:150     197:315     198:454     199:247     200:289    
 201:38      202:646     203:437     204:369     205:127     206:206    
 207:223     208:66      209:102     210:221     211:15      212:162    
 213:6       216:89      217:9       218:22      219:5       220:17     
 222:3       223:14     

End of report


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