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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Aug 6 19:05:41 UTC 2024


IPv4 R&E Routing Table Report   19:05 GMT Tue 06 Aug, 2024

  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:                               19509
    Prefixes after maximum aggregation (per Origin AS):           10697
    Deaggregation factor:                                          1.82
    Unique aggregates announced (without unneeded subnets):       11768
    Number of IPv4 prefixes with a valid ROA:                      6326
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                          13164
Total ASes present in the Internet Routing Table:                  2782
    Prefixes per ASN:                                              7.01
Origin-only ASes present in the Internet Routing Table:            2411
Origin ASes announcing only one prefix:                            1068
Transit ASes present in the Internet Routing Table:                 371
Transit-only ASes present in the Internet Routing Table:             65
Paths with bogon ASNs present in the IPv4 Routing Table:              3
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      12
    Max AS path prepend of ASN (136911)                              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:                      45104
Number of 32-bit ASNs visible in the Routing Table:                 664
Prefixes from 32-bit ASNs in the Routing Table:                    1871
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:                    200204288
    Equivalent to 11 /8s, 238 /16s and 224 /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:        2304

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

Prefixes being announced by APNIC Region ASes:                     4925
    Total APNIC prefixes after maximum aggregation:                2331
    APNIC Deaggregation factor:                                    2.11
Prefixes being announced from the APNIC address blocks:            4926
    Unique aggregates announced from the APNIC address blocks:     2665
APNIC Region origin ASes present in the Internet Routing Table:     585
    APNIC Prefixes per ASN:                                        8.42
APNIC Region origin ASes announcing only one prefix:                248
APNIC Region transit ASes present in the Internet Routing Table:     59
Average APNIC Region AS path length visible:                        4.9
    Max APNIC Region AS path length visible:                         12
Number of APNIC region 32-bit ASNs visible in the Routing Table:    233
Number of APNIC addresses announced to Internet:               45702656
    Equivalent to 2 /8s, 185 /16s and 94 /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:                      8556
    Total ARIN prefixes after maximum aggregation:                 4806
    ARIN Deaggregation factor:                                     1.78
Prefixes being announced from the ARIN address blocks:             8567
    Unique aggregates announced from the ARIN address blocks:      5265
ARIN Region origin ASes present in the Internet Routing Table:     1269
    ARIN Prefixes per ASN:                                         6.75
ARIN Region origin ASes announcing only one prefix:                 445
ARIN Region transit ASes present in the Internet Routing Table:     156
Average ARIN Region AS path length visible:                         5.6
    Max ARIN Region AS path length visible:                          11
Number of ARIN region 32-bit ASNs visible in the Routing Table:     204
Number of ARIN addresses announced to Internet:                90309120
    Equivalent to 5 /8s, 98 /16s and 2 /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:                      3584
    Total RIPE prefixes after maximum aggregation:                 2877
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3572
    Unique aggregates announced from the RIPE address blocks:      2929
RIPE Region origin ASes present in the Internet Routing Table:      675
    RIPE Prefixes per ASN:                                         5.29
RIPE Region origin ASes announcing only one prefix:                 304
RIPE Region transit ASes present in the Internet Routing Table:     106
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          11
Number of RIPE region 32-bit ASNs visible in the Routing Table:     153
Number of RIPE addresses announced to Internet:                57581056
    Equivalent to 3 /8s, 110 /16s and 158 /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:                    1334
    Total LACNIC prefixes after maximum aggregation:                525
    LACNIC Deaggregation factor:                                   2.54
Prefixes being announced from the LACNIC address blocks:           1334
    Unique aggregates announced from the LACNIC address blocks:     708
LACNIC Region origin ASes present in the Internet Routing Table:    154
    LACNIC Prefixes per ASN:                                       8.66
LACNIC Region origin ASes announcing only one prefix:                56
LACNIC Region transit ASes present in the Internet Routing Table:    22
Average LACNIC Region AS path length visible:                       6.1
    Max LACNIC Region AS path length visible:                        11
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    62
Number of LACNIC addresses announced to Internet:               4181760
    Equivalent to 0 /8s, 63 /16s and 207 /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:                   1106
    Total AfriNIC prefixes after maximum aggregation:               154
    AfriNIC Deaggregation factor:                                  7.18
Prefixes being announced from the AfriNIC address blocks:          1105
    Unique aggregates announced from the AfriNIC address blocks:    197
AfriNIC Region origin ASes present in the Internet Routing Table:    32
    AfriNIC Prefixes per ASN:                                     34.53
AfriNIC Region origin ASes announcing only one prefix:               15
AfriNIC Region transit ASes present in the Internet Routing Table:    7
Average AfriNIC Region AS path length visible:                      5.5
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   12
Number of AfriNIC addresses announced to Internet:              2419200
    Equivalent to 0 /8s, 36 /16s and 234 /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         591       2162     464  SINET-AS Research Organization of Informa
  7497         447        180      24  CSTNET-AS-AP Computer Network Information
  1237         190         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
  4758         169         16       1  NICNET-VSNL-BOARDER-AP National Informati
 55824         154         20      37  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

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         505        507      99  CENIC-2152, US
  2920         229         44      49  LACOE, US
   668         204        632     173  DNIC-AS-00668, US
   376         201        162     150  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
 18558         136         18       5  NETBLK-RCOEK, US
    81         133        517      33  NCREN, US
 23024          96          7      21  OCDE, US
 21976          87         50      17  NJEDGE-NET, US
   237          86        543      51  MERIT-AS-14, 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       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          96       1503      83  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/BDREN/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         158        176      42  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco, M
 11340         105         24      56  Red Universitaria Nacional, CL
271640          67          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, BR
 61468          47          5      15  CEDIA, EC
  2715          45         99      34  Fundacao Carlos Chagas Filho de Amparo a 
  4270          38         16       1  Red de Interconexion Universitaria, AR
 28614          38          2       2  Fundacao Universidade Regional de Blumena
  3596          37          8       4  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
 36914         522         82       3  KENET-AS, KE
  2018         381        319      71  TENET-1, ZA
  8094          47         48      18  PUKNET, ZA
327700          45         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          13          8       1  TERNET, TZ
 37661          13          8       5  NRaE1-AS, NG
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA
 37654           6          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         591       2162     464  SINET-AS Research Organization of Informa
 36914         522         82       3  KENET-AS, KE
  2152         505        507      99  CENIC-2152, US
  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
  2920         229         44      49  LACOE, US
   668         204        632     173  DNIC-AS-00668, US
   376         201        162     150  RISQ-AS, CA
  5786         199         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
 36914         522          519  KENET-AS, KE
  7497         447          423  CSTNET-AS-AP Computer Network Information Cente
  2152         505          406  CENIC-2152, US
  2018         381          310  TENET-1, ZA
  5786         199          198  UPRENET, PR
  2920         229          180  LACOE, US
 58647         180          178  KAGAWAU-AS Kagawa University, JP
  4758         169          168  NICNET-VSNL-BOARDER-AP National Informatics Cen
  8895         136          131  ISU Internet Services Unit ISU, SA
 18558         136          131  NETBLK-RCOEK, US

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
     65200  PRIVATE      103.11.32.0/22          132124  ICTA-LK Information and
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, US
     65200  PRIVATE      220.247.225.0/24        132124  ICTA-LK Information and

Complete listing at https://bgp.nsrc.org/REN/BDREN/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
202.46.0.0/20        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
202.46.245.0/24      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.245.0/24     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese

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       /10:1       /11:1       /12:10      
/13:18      /14:33      /15:118     /16:1990    /17:419     /18:443     
/19:581     /20:901     /21:879     /22:1491    /23:1625    /24:10998   
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 36914         500         522  KENET-AS, KE
  8895         131         136  ISU Internet Services Unit ISU, SA
  2152          61         505  CENIC-2152, US
327700          39          45  MoRENet, MZ
 23024          38          96  OCDE, US
 32440          36          63  LONI, US
  3267          35          76  NIKS, RU
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          32          54  SEAP-AGE, ES

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        14:92     
  23:6        24:3        31:1        35:3        37:8        38:10     
  40:1        41:233      42:10       44:5        45:47       46:5      
  47:1        49:10       50:5        52:1        58:1        59:19     
  60:6        61:3        62:8        63:37       64:45       65:1      
  66:52       67:43       68:10       69:19       70:2        71:1      
  72:7        74:52       76:42       77:10       78:3        79:10     
  80:13       81:25       82:6        83:7        84:5        85:45     
  86:5        87:1        89:11       91:47       92:2        93:13     
  94:2        95:1        96:5        97:2        98:2       101:1      
 102:6       103:337     104:79      107:2       108:8       109:8      
 111:16      113:2       114:24      116:8       117:61      118:34     
 119:23      121:27      122:8       123:8       124:42      125:5      
 128:84      129:34      130:93      131:63      132:53      133:155    
 134:109     136:198     137:86      138:58      139:6       140:36     
 141:3       142:25      143:25      144:26      145:2       146:132    
 147:64      148:193     149:13      150:40      151:9       152:135    
 153:15      154:37      155:63      156:133     157:21      158:35     
 159:121     160:30      161:17      162:24      163:63      164:167    
 165:47      166:1       167:10      168:120     169:6       170:90     
 171:1       172:3       173:6       175:29      176:8       177:6      
 179:13      180:15      181:1       182:9       184:3       185:53     
 186:3       187:20      188:13      189:3       190:18      191:13     
 192:1394    193:269     194:140     195:73      196:150     197:310    
 198:544     199:274     200:284     201:37      202:637     203:436    
 204:391     205:173     206:204     207:309     208:66      209:152    
 210:219     211:14      212:162     213:6       214:8       216:91     
 217:9       218:22      219:5       220:18      222:2       223:14     


End of report


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