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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Oct 1 22:10:47 UTC 2024


IPv4 R&E Routing Table Report   22:10 GMT Tue 01 Oct, 2024

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

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

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

BGP routing table entries examined:                               26589
    Prefixes after maximum aggregation (per Origin AS):           13113
    Deaggregation factor:                                          2.03
    Unique aggregates announced (without unneeded subnets):       14837
    Number of IPv4 prefixes with a valid ROA:                     14154
    Number of IPv4 prefixes with an invalid ROA:                    154
    Number of IPv4 prefixes with no ROA:                          12281
Total ASes present in the Internet Routing Table:                  2792
    Prefixes per ASN:                                              9.52
Origin-only ASes present in the Internet Routing Table:            2412
Origin ASes announcing only one prefix:                            1068
Transit ASes present in the Internet Routing Table:                 380
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:       4.9
    Max AS path length visible:                                      19
    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:                      45459
Number of 32-bit ASNs visible in the Routing Table:                 693
Prefixes from 32-bit ASNs in the Routing Table:                    4878
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:             11
Number of addresses announced to Internet:                    242965914
    Equivalent to 14 /8s, 123 /16s and 93 /24s
    Percentage of available address space announced:                6.6
    Percentage of allocated address space announced:                6.6
    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:        3644

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

Prefixes being announced by APNIC Region ASes:                     4722
    Total APNIC prefixes after maximum aggregation:                2309
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4779
    Unique aggregates announced from the APNIC address blocks:     2715
APNIC Region origin ASes present in the Internet Routing Table:     585
    APNIC Prefixes per ASN:                                        8.17
APNIC Region origin ASes announcing only one prefix:                244
APNIC Region transit ASes present in the Internet Routing Table:     62
Average APNIC Region AS path length visible:                        5.9
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    231
Number of APNIC addresses announced to Internet:               45793856
    Equivalent to 2 /8s, 186 /16s and 194 /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:                     15728
    Total ARIN prefixes after maximum aggregation:                 7112
    ARIN Deaggregation factor:                                     2.21
Prefixes being announced from the ARIN address blocks:            15455
    Unique aggregates announced from the ARIN address blocks:      7912
ARIN Region origin ASes present in the Internet Routing Table:     1270
    ARIN Prefixes per ASN:                                        12.17
ARIN Region origin ASes announcing only one prefix:                 447
ARIN Region transit ASes present in the Internet Routing Table:     156
Average ARIN Region AS path length visible:                         4.6
    Max ARIN Region AS path length visible:                          17
Number of ARIN region 32-bit ASNs visible in the Routing Table:     216
Number of ARIN addresses announced to Internet:               130733729
    Equivalent to 7 /8s, 202 /16s and 214 /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:                      3606
    Total RIPE prefixes after maximum aggregation:                 2892
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3803
    Unique aggregates announced from the RIPE address blocks:      3187
RIPE Region origin ASes present in the Internet Routing Table:      670
    RIPE Prefixes per ASN:                                         5.68
RIPE Region origin ASes announcing only one prefix:                 299
RIPE Region transit ASes present in the Internet Routing Table:     105
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     156
Number of RIPE addresses announced to Internet:                59767440
    Equivalent to 3 /8s, 143 /16s and 250 /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:                    1387
    Total LACNIC prefixes after maximum aggregation:                629
    LACNIC Deaggregation factor:                                   2.21
Prefixes being announced from the LACNIC address blocks:           1392
    Unique aggregates announced from the LACNIC address blocks:     795
LACNIC Region origin ASes present in the Internet Routing Table:    150
    LACNIC Prefixes per ASN:                                       9.28
LACNIC Region origin ASes announcing only one prefix:                47
LACNIC Region transit ASes present in the Internet Routing Table:    26
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    60
Number of LACNIC addresses announced to Internet:               4207145
    Equivalent to 0 /8s, 64 /16s and 50 /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:                   1145
    Total AfriNIC prefixes after maximum aggregation:               170
    AfriNIC Deaggregation factor:                                  6.74
Prefixes being announced from the AfriNIC address blocks:          1149
    Unique aggregates announced from the AfriNIC address blocks:    218
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     22.98
AfriNIC Region origin ASes announcing only one prefix:               31
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   30
Number of AfriNIC addresses announced to Internet:              2451712
    Equivalent to 0 /8s, 37 /16s and 105 /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         600       2170     465  SINET-AS Research Organization of Informa
  7497         451        212      25  CSTNET-AS-AP Computer Network Information
  1237         193         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
 55824         132         19      20  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
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
396982        2833       3603     418  GOOGLE-CLOUD-PLATFORM, US
 16509        2340       1745    1039  AMAZON-02, US
 14618        1013       4309     761  AMAZON-AES, US
 15169         835       2007      68  GOOGLE, US
  2152         449        507      97  CENIC-2152, US
  2920         224         44      45  LACOE, US
   376         200        162     149  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
   270         162        345      88  AS270, US
 18558         140         18       4  NETBLK-RCOEK, US

Complete listing at https://bgp.nsrc.org/REN/CEDIA/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         114        533     104  SWITCH Peering requests: peering at switch.c
  1103          97       2015      84  SURFNET-NL SURFnet, The Netherlands, NL
  2614          92         26      72  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          77         26      67  NIKS, RU

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 28391         154         10      68  Universidad Juarez Autonoma de Tabasco, M
 11340         117         25      56  Red Universitaria Nacional, CL
 27947         105          0      86  Telconet S.A, EC
  1916          88        180      43  Rede Nacional de Ensino e Pesquisa, BR
271640          66          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  2715          49         99      35  Fundacao Carlos Chagas Filho de Amparo a 
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, BR
  4270          46         16       1  Red de Interconexion Universitaria, AR
  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/CEDIA/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         376        313      69  TENET-1, ZA
  8094          47         48      18  PUKNET, ZA
327700          36         16       1  MoRENet, MZ
 37215          33          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37074          15          8       2  UG-AS, GH
 37661          12          8       4  NRaE1-AS, NG
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
396982        2833       3603     418  GOOGLE-CLOUD-PLATFORM, US
 16509        2340       1745    1039  AMAZON-02, US
 14618        1013       4309     761  AMAZON-AES, US
 15169         835       2007      68  GOOGLE, US
  2907         600       2170     465  SINET-AS Research Organization of Informa
 36914         522         82       3  KENET-AS, KE
  7497         451        212      25  CSTNET-AS-AP Computer Network Information
  2152         449        507      97  CENIC-2152, US
  2018         376        313      69  TENET-1, ZA
   680         282       1899     249  DFN Verein zur Foerderung eines Deutschen

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

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

   ASN  No of nets  Net Savings  Description
 16509        2340         1301  AMAZON-02, US
 15169         835          767  GOOGLE, US
 36914         522          519  KENET-AS, KE
  7497         451          426  CSTNET-AS-AP Computer Network Information Cente
  2152         449          352  CENIC-2152, US
  2018         376          307  TENET-1, ZA
 14618        1013          252  AMAZON-AES, US
  5786         197          196  UPRENET, PR
  2920         224          179  LACOE, US
 58647         180          178  KAGAWAU-AS Kagawa University, JP

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

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

Unassigned Network     ASN Information  AS Name
103.165.160.0/24     Origin:     16509  AMAZON-02, US
103.165.160.0/24    Transit:     27750  Cooperacion Latino Americana de Redes Av
164.160.192.0/21     Origin:     37661  NRaE1-AS, NG
164.160.192.0/21    Transit:     37288  WACREN, SN
170.39.88.0/24       Origin:     14618  AMAZON-AES, US
170.39.88.0/24      Transit:     16509  AMAZON-02, US
198.135.168.0/24     Origin:     14618  AMAZON-AES, US
198.135.168.0/24    Transit:     16509  AMAZON-02, US
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

Complete listing at https://bgp.nsrc.org/REN/CEDIA/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       /11:5       /12:19      
/13:36      /14:81      /15:159     /16:2104    /17:513     /18:519     
/19:752     /20:2801    /21:1105    /22:1683    /23:1847    /24:14711   
/25:30      /26:30      /27:33      /28:20      /29:71      /30:30      
/31:33      /32:5       

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

   ASN  No of nets  Total ann.  Description
 36914         501         522  KENET-AS, KE
 16509         384        2340  AMAZON-02, US
 14618         328        1013  AMAZON-AES, US
 15169         268         835  GOOGLE, US
396982         254        2833  GOOGLE-CLOUD-PLATFORM, US
  8895         130         135  ISU Internet Services Unit ISU, SA
 27947          86         105  Telconet S.A, EC
  2152          43         449  CENIC-2152, US
 23024          37          95  OCDE, US
 32440          37          64  LONI, US

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

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

   1:2         3:102       5:22        8:28       12:1        13:47     
  14:91       15:72       16:119      18:83       23:109      24:3      
  31:5        34:23       35:49       36:1        37:8        38:10     
  40:5        41:237      42:10       43:2        44:6        45:70     
  46:10       47:1        49:11       50:8        52:550      54:163    
  57:5        58:1        59:19       60:6        61:3        62:9      
  63:37       64:160      65:18       66:83       67:67       68:17     
  69:39       70:42       71:3        72:14       74:154      75:1      
  76:48       77:12       78:3        79:10       80:13       81:25     
  82:7        83:7        84:7        85:50       86:5        87:4      
  88:1        89:20       91:54       92:7        93:46       94:2      
  95:2        96:7        97:1        98:10       99:47      101:2      
 102:17      103:352     104:230     107:38      108:112     109:7      
 111:16      113:2       114:32      115:1       116:11      117:62     
 118:34      119:25      121:28      122:8       123:8       124:42     
 125:5       128:52      129:41      130:148     131:66      132:65     
 133:154     134:107     135:3       136:304     137:98      138:60     
 139:18      140:41      141:9       142:303     143:26      144:45     
 145:3       146:145     147:75      148:202     149:18      150:41     
 151:38      152:152     153:14      154:38      155:81      156:142    
 157:35      158:39      159:157     160:30      161:32      162:85     
 163:66      164:24      165:67      166:3       167:37      168:171    
 169:13      170:152     171:1       172:114     173:110     174:2      
 175:16      176:3       177:4       178:1       179:6       180:16     
 182:9       184:8       185:106     186:3       187:17      188:18     
 189:3       190:3       191:13      192:1535    193:289     194:125    
 195:74      196:147     197:318     198:571     199:325     200:213    
 201:34      202:650     203:440     204:421     205:185     206:229    
 207:325     208:149     209:226     210:217     211:3       212:172    
 213:17      216:175     217:12      218:21      219:5       220:17     
 222:2       223:15     

End of report


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