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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Jun 23 18:50:37 UTC 2024


IPv4 R&E Routing Table Report   18:50 GMT Sun 23 Jun, 2024

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

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

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

BGP routing table entries examined:                                9198
    Prefixes after maximum aggregation (per Origin AS):            4486
    Deaggregation factor:                                          2.05
    Unique aggregates announced (without unneeded subnets):        5187
    Number of IPv4 prefixes with a valid ROA:                      2557
    Number of IPv4 prefixes with an invalid ROA:                      0
    Number of IPv4 prefixes with no ROA:                           6641
Total ASes present in the Internet Routing Table:                  1411
    Prefixes per ASN:                                              6.52
Origin-only ASes present in the Internet Routing Table:            1190
Origin ASes announcing only one prefix:                             472
Transit ASes present in the Internet Routing Table:                 221
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:       5.2
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 10497)                              11
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:                      44848
Number of 32-bit ASNs visible in the Routing Table:                 281
Prefixes from 32-bit ASNs in the Routing Table:                     870
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:              0
Number of addresses announced to Internet:                     89761024
    Equivalent to 5 /8s, 89 /16s and 165 /24s
    Percentage of available address space announced:                2.4
    Percentage of allocated address space announced:                2.4
    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:        1440

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

Prefixes being announced by APNIC Region ASes:                     1009
    Total APNIC prefixes after maximum aggregation:                 593
    APNIC Deaggregation factor:                                    1.70
Prefixes being announced from the APNIC address blocks:            1009
    Unique aggregates announced from the APNIC address blocks:      752
APNIC Region origin ASes present in the Internet Routing Table:     184
    APNIC Prefixes per ASN:                                        5.48
APNIC Region origin ASes announcing only one prefix:                 66
APNIC Region transit ASes present in the Internet Routing Table:     42
Average APNIC Region AS path length visible:                        6.7
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:     51
Number of APNIC addresses announced to Internet:               11634688
    Equivalent to 0 /8s, 177 /16s and 136 /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:                      5714
    Total ARIN prefixes after maximum aggregation:                 3064
    ARIN Deaggregation factor:                                     1.86
Prefixes being announced from the ARIN address blocks:             5719
    Unique aggregates announced from the ARIN address blocks:      3358
ARIN Region origin ASes present in the Internet Routing Table:      928
    ARIN Prefixes per ASN:                                         6.16
ARIN Region origin ASes announcing only one prefix:                 328
ARIN Region transit ASes present in the Internet Routing Table:     124
Average ARIN Region AS path length visible:                         5.3
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     157
Number of ARIN addresses announced to Internet:                72092416
    Equivalent to 4 /8s, 76 /16s and 11 /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:                       436
    Total RIPE prefixes after maximum aggregation:                  239
    RIPE Deaggregation factor:                                     1.82
Prefixes being announced from the RIPE address blocks:              433
    Unique aggregates announced from the RIPE address blocks:       264
RIPE Region origin ASes present in the Internet Routing Table:       86
    RIPE Prefixes per ASN:                                         5.03
RIPE Region origin ASes announcing only one prefix:                  32
RIPE Region transit ASes present in the Internet Routing Table:      14
Average RIPE Region AS path length visible:                         5.2
    Max RIPE Region AS path length visible:                          11
Number of RIPE region 32-bit ASNs visible in the Routing Table:      15
Number of RIPE addresses announced to Internet:                  526848
    Equivalent to 0 /8s, 8 /16s and 10 /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:                    1083
    Total LACNIC prefixes after maximum aggregation:                448
    LACNIC Deaggregation factor:                                   2.42
Prefixes being announced from the LACNIC address blocks:           1082
    Unique aggregates announced from the LACNIC address blocks:     579
LACNIC Region origin ASes present in the Internet Routing Table:    140
    LACNIC Prefixes per ASN:                                       7.73
LACNIC Region origin ASes announcing only one prefix:                45
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       6.4
    Max LACNIC Region AS path length visible:                        15
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    56
Number of LACNIC addresses announced to Internet:               3866368
    Equivalent to 0 /8s, 58 /16s and 255 /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:                    955
    Total AfriNIC prefixes after maximum aggregation:               141
    AfriNIC Deaggregation factor:                                  6.77
Prefixes being announced from the AfriNIC address blocks:           955
    Unique aggregates announced from the AfriNIC address blocks:    234
AfriNIC Region origin ASes present in the Internet Routing Table:     6
    AfriNIC Prefixes per ASN:                                    159.17
AfriNIC Region origin ASes announcing only one prefix:                1
AfriNIC Region transit ASes present in the Internet Routing Table:    4
Average AfriNIC Region AS path length visible:                      1.9
    Max AfriNIC Region AS path length visible:                        6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    2
Number of AfriNIC addresses announced to Internet:              1640704
    Equivalent to 0 /8s, 25 /16s and 9 /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
 38280          50          3       2  MONASHUNI-MY-AS-AP Monash University Su
  1659          49       1450      34  ERX-TANET-ASN1 Taiwan Academic Network 
  2907          39         96      39  SINET-AS Research Organization of Infor
  9270          35          5       6  APAN-KR-AS National Infomation Society 
 17862          34         10      34  KWNU-AS-KR Kangwon National University,
 24361          33         56      17  CNGI-NJ-IX-AS-AP CERNET2 IX at Southeas
 24151          28          2      11  CNNIC-CRITICAL-AP China Internet Networ
 24363          28         21      15  CNGI-JNN-IX-AS-AP CERNET2 IX at Shandon
 24514          25          2       9  MYREN-MY Malaysian Research & Education
  3363          24         19       7  HKUST-AS-HK Hong Kong University of Sci

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  5786         198         16       1  UPRENET, PR
  2920         175         34       7  LACOE, US
  2152         149        507      94  CSUNET-NW, US
 18558         140         18       4  NETBLK-RCOEK, US
    81         133        517      33  NCREN, US
 23024         106          7      22  OCDE, US
 21976          88         51      18  NJEDGE-NET, US
   237          85        543      51  MERIT-AS-14, US
  1736          79         16       1  MU-AS, US
  3477          71         63      40  NOAA-NWAVE, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8895         135         24       5  ISU Internet Services Unit ISU, SA
  3267          76         26      66  RUNNET, RU
  3218          21          4      18  COSMOS-3218-AS AS-COSMOS root, RU
 47862          12          1       4  ANKABUT, AE
 29384          11          3       8  QATAR-FOUNDATION, QA
  5480           8          1       8  R61NET Network of educational, scientif
 42289           7          2       3  ITMO-AS ITMO, RU
  5386           6          3       2  COSMOS-SN-AS SpaceNet, RU
 57867           6          0       4  REA-AS, RU
 49834           5          1       1  BESTHOSTING, RU

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
  1916         106        176      42  Rede Nacional de Ensino e Pesquisa, BR
271640          64          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          49         17       3  Red de Interconexion Universitaria, AR
  2715          46         99      35  Fundacao Carlos Chagas Filho de Amparo 
 28614          38          2       2  Fundacao Universidade Regional de Blume
  3596          37          8       4  Universidad Autonoma Metropolitana, MX
  1251          35         32      25  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
 61468          29          2       5  CEDIA, EC
   278          24         32       4  Universidad Nacional Autonoma de Mexico

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         541         80      57  KENET-AS, KE
  2018         382        319      71  TENET-1, ZA
  6879          24          2       9  ENSTINET-, EG
327945           4          0       2  ILRI, KE
328225           3          0       1  Strathmore-University, KE
  6149           1          0       1  TENET-2, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         541         80      57  KENET-AS, KE
  2018         382        319      71  TENET-1, ZA
  5786         198         16       1  UPRENET, PR
  2920         175         34       7  LACOE, US
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
  2152         149        507      94  CSUNET-NW, US
 18558         140         18       4  NETBLK-RCOEK, US
  8895         135         24       5  ISU Internet Services Unit ISU, SA
    81         133        517      33  NCREN, US
  1916         106        176      42  Rede Nacional de Ensino e Pesquisa, BR

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

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

   ASN  No of nets  Net Savings  Description
  2018         382          311  TENET-1, ZA
  5786         198          197  UPRENET, PR
  2920         175          168  LACOE, US
 18558         140          136  NETBLK-RCOEK, US
  8895         135          130  ISU Internet Services Unit ISU, SA
    81         133          100  NCREN, US
 28391         153           86  Universidad Juarez Autonoma de Tabasco, MX
 23024         106           84  OCDE, US
  1736          79           78  MU-AS, US
 21976          88           70  NJEDGE-NET, US

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

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       /12:1       
/13:5       /14:9       /15:21      /16:832     /17:267     /18:280     
/19:326     /20:517     /21:410     /22:625     /23:700     /24:5202    
/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         524         541  KENET-AS, KE
  8895         130         135  ISU Internet Services Unit ISU, SA
 23024          49         106  OCDE, US
 32440          36          62  LONI, US
  3267          35          76  RUNNET, RU
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          30          44  HCCS, US
 26898          24          32  LNOCA-ORG, US
 36794          24          26  SCOCA, US
  1968          21          29  UMASSNET-AS1968, US

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

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

   8:2        12:1        14:2        23:3        24:1        35:3      
  38:9        41:183      42:4        45:24       47:1        49:6      
  50:3        59:17       61:3        62:3        63:3        64:18     
  65:1        66:23       67:41       68:2        69:19       70:2      
  72:7        74:15       76:39       77:3        80:5        81:1      
  82:4        83:1        84:1        85:17       86:5        91:9      
  92:2        97:1        98:2       103:74      104:74      108:2      
 109:7       114:3       116:8       118:33      119:1       121:9      
 122:8       125:3       128:27      129:29      130:89      131:27     
 132:55      133:3       134:63      136:197     137:34      138:49     
 139:4       140:33      141:3       143:12      144:1       146:18     
 147:24      148:187     149:11      150:29      151:7       152:132    
 153:3       154:23      155:59      156:127     157:17      158:6      
 159:20      160:4       161:14      162:12      163:47      164:14     
 165:10      166:1       167:9       168:121     169:6       170:87     
 171:1       172:3       173:6       175:18      176:8       177:6      
 179:11      180:1       182:1       184:1       185:9       186:3      
 187:17      188:2       189:3       190:17      191:4       192:520    
 193:9       194:29      195:29      196:136     197:333     198:256    
 199:109     200:202     201:21      202:153     203:45      204:305    
 205:45      206:78      207:123     208:63      209:90      210:24     
 211:13      212:122     213:2       216:40      218:20      219:1      
 222:1      

End of report


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