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

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


IPv4 R&E Routing Table Report   19:05 GMT Fri 06 Sep, 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:                               19524
    Prefixes after maximum aggregation (per Origin AS):           10682
    Deaggregation factor:                                          1.83
    Unique aggregates announced (without unneeded subnets):       11755
    Number of IPv4 prefixes with a valid ROA:                      6406
    Number of IPv4 prefixes with an invalid ROA:                     17
    Number of IPv4 prefixes with no ROA:                          13101
Total ASes present in the Internet Routing Table:                  2781
    Prefixes per ASN:                                              7.02
Origin-only ASes present in the Internet Routing Table:            2415
Origin ASes announcing only one prefix:                            1072
Transit ASes present in the Internet Routing Table:                 366
Transit-only ASes present in the Internet Routing Table:             60
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:                      45317
Number of 32-bit ASNs visible in the Routing Table:                 688
Prefixes from 32-bit ASNs in the Routing Table:                    1923
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:              6
Number of addresses announced to Internet:                    202601984
    Equivalent to 12 /8s, 19 /16s and 118 /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:        2286

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

Prefixes being announced by APNIC Region ASes:                     4875
    Total APNIC prefixes after maximum aggregation:                2302
    APNIC Deaggregation factor:                                    2.12
Prefixes being announced from the APNIC address blocks:            4874
    Unique aggregates announced from the APNIC address blocks:     2634
APNIC Region origin ASes present in the Internet Routing Table:     587
    APNIC Prefixes per ASN:                                        8.30
APNIC Region origin ASes announcing only one prefix:                249
APNIC Region transit ASes present in the Internet Routing Table:     60
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:    237
Number of APNIC addresses announced to Internet:               45900544
    Equivalent to 2 /8s, 188 /16s and 99 /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:                      8627
    Total ARIN prefixes after maximum aggregation:                 4837
    ARIN Deaggregation factor:                                     1.78
Prefixes being announced from the ARIN address blocks:             8640
    Unique aggregates announced from the ARIN address blocks:      5311
ARIN Region origin ASes present in the Internet Routing Table:     1270
    ARIN Prefixes per ASN:                                         6.80
ARIN Region origin ASes announcing only one prefix:                 445
ARIN Region transit ASes present in the Internet Routing Table:     153
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:     208
Number of ARIN addresses announced to Internet:                90451968
    Equivalent to 5 /8s, 100 /16s and 48 /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:                      3552
    Total RIPE prefixes after maximum aggregation:                 2848
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3540
    Unique aggregates announced from the RIPE address blocks:      2891
RIPE Region origin ASes present in the Internet Routing Table:      664
    RIPE Prefixes per ASN:                                         5.33
RIPE Region origin ASes announcing only one prefix:                 295
RIPE Region transit ASes present in the Internet Routing Table:     104
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:     153
Number of RIPE addresses announced to Internet:                59617792
    Equivalent to 3 /8s, 141 /16s and 178 /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:                    1357
    Total LACNIC prefixes after maximum aggregation:                520
    LACNIC Deaggregation factor:                                   2.61
Prefixes being announced from the LACNIC address blocks:           1356
    Unique aggregates announced from the LACNIC address blocks:     701
LACNIC Region origin ASes present in the Internet Routing Table:    151
    LACNIC Prefixes per ASN:                                       8.98
LACNIC Region origin ASes announcing only one prefix:                54
LACNIC Region transit ASes present in the Internet Routing Table:    23
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:               4199424
    Equivalent to 0 /8s, 64 /16s and 20 /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:                   1109
    Total AfriNIC prefixes after maximum aggregation:               171
    AfriNIC Deaggregation factor:                                  6.49
Prefixes being announced from the AfriNIC address blocks:          1108
    Unique aggregates announced from the AfriNIC address blocks:    213
AfriNIC Region origin ASes present in the Internet Routing Table:    47
    AfriNIC Prefixes per ASN:                                     23.57
AfriNIC Region origin ASes announcing only one prefix:               29
AfriNIC Region transit ASes present in the Internet Routing Table:    7
Average AfriNIC Region AS path length visible:                      5.6
    Max AfriNIC Region AS path length visible:                       11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   28
Number of AfriNIC addresses announced to Internet:              2421504
    Equivalent to 0 /8s, 36 /16s and 243 /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         588       2169     464  SINET-AS Research Organization of Informa
  7497         450        212      25  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         504        507      99  CENIC-2152, US
  2920         229         44      49  LACOE, US
   668         204        632     173  DNIC-AS-00668, US
  5786         199         16       1  UPRENET, PR
   376         198        162     148  RISQ-AS, CA
 18558         141         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          85        541      50  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         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         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          81        676      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         164        180      41  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          50          5      17  CEDIA, EC
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, BR
  2715          45         99      34  Fundacao Carlos Chagas Filho de Amparo a 
  4270          45         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         514         82       3  KENET-AS, KE
  2018         380        319      71  TENET-1, ZA
  8094          47         48      18  PUKNET, ZA
327700          45         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37661          13          8       5  NRaE1-AS, NG
 37215          11          8       1  MAREN, MW
 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         588       2169     464  SINET-AS Research Organization of Informa
 36914         514         82       3  KENET-AS, KE
  2152         504        507      99  CENIC-2152, US
  7497         450        212      25  CSTNET-AS-AP Computer Network Information
  2018         380        319      71  TENET-1, ZA
   680         282       1899     249  DFN Verein zur Foerderung eines Deutschen
  2920         229         44      49  LACOE, US
   668         204        632     173  DNIC-AS-00668, US
  5786         199         16       1  UPRENET, PR
   376         198        162     148  RISQ-AS, CA

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         514          511  KENET-AS, KE
  7497         450          425  CSTNET-AS-AP Computer Network Information Cente
  2152         504          405  CENIC-2152, US
  2018         380          309  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
 18558         141          136  NETBLK-RCOEK, US
  8895         135          130  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
     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
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
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       /11:2       /12:10      
/13:18      /14:33      /15:119     /16:1994    /17:423     /18:453     
/19:585     /20:890     /21:879     /22:1491    /23:1618    /24:11007   
/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         492         514  KENET-AS, KE
  8895         130         135  ISU Internet Services Unit ISU, SA
  2152          61         504  CENIC-2152, US
327700          39          45  MoRENet, MZ
 23024          38          96  OCDE, US
 32440          37          64  LONI, US
  3267          35          76  NIKS, RU
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          32          55  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     
  23:7        24:3        31:1        35:3        37:8        38:10     
  40:1        41:220      42:10       44:5        45:47       46:4      
  47:1        49:11       50:5        52:1        58:1        59:19     
  60:6        61:3        62:7        63:37       64:45       65:1      
  66:52       67:43       68:12       69:18       70:2        71:1      
  72:7        74:54       76:43       77:11       78:3        79:10     
  80:13       81:25       82:6        83:7        84:5        85:45     
  86:5        87:1        89:11       91:44       92:2        93:13     
  94:2        95:1        96:5        97:1        98:2       101:1      
 102:11      103:338     104:79      107:2       108:8       109:4      
 111:16      113:2       114:24      116:9       117:61      118:34     
 119:24      121:27      122:8       123:8       124:42      125:5      
 128:84      129:34      130:96      131:62      132:67      133:154    
 134:109     136:199     137:90      138:57      139:6       140:36     
 141:3       142:25      143:24      144:29      145:2       146:135    
 147:63      148:194     149:13      150:40      151:9       152:135    
 153:15      154:37      155:63      156:133     157:16      158:35     
 159:121     160:30      161:16      162:24      163:63      164:167    
 165:47      166:1       167:26      168:119     169:7       170:89     
 171:1       172:2       173:7       175:17      177:4       179:13     
 180:15      181:1       182:9       184:3       185:51      186:3      
 187:21      188:13      189:3       190:18      191:13      192:1392   
 193:269     194:136     195:75      196:145     197:311     198:545    
 199:275     200:285     201:38      202:637     203:434     204:406    
 205:171     206:212     207:309     208:67      209:158     210:216    
 211:3       212:162     213:6       214:8       216:90      217:9      
 218:21      219:5       220:18      222:2       223:15     

End of report


More information about the ren-bgp-stats-all mailing list