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

REN Routing Table Report cscora at bgp.nsrc.org
Tue May 28 22:10:39 UTC 2024


IPv4 R&E Routing Table Report   22:10 GMT Tue 28 May, 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:                               25676
    Prefixes after maximum aggregation (per Origin AS):           12795
    Deaggregation factor:                                          2.01
    Unique aggregates announced (without unneeded subnets):       14450
    Number of IPv4 prefixes with a valid ROA:                     12831
    Number of IPv4 prefixes with an invalid ROA:                    176
    Number of IPv4 prefixes with no ROA:                          12669
Total ASes present in the Internet Routing Table:                  2778
    Prefixes per ASN:                                              9.24
Origin-only ASes present in the Internet Routing Table:            2402
Origin ASes announcing only one prefix:                            1058
Transit ASes present in the Internet Routing Table:                 376
Transit-only ASes present in the Internet Routing Table:             69
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.7
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                 2
    Number of instances of unregistered ASNs:                         2
Number of 32-bit ASNs allocated by the RIRs:                      44593
Number of 32-bit ASNs visible in the Routing Table:                 666
Prefixes from 32-bit ASNs in the Routing Table:                    4667
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:              8
Number of addresses announced to Internet:                    240000065
    Equivalent to 14 /8s, 78 /16s and 28 /24s
    Percentage of available address space announced:                6.5
    Percentage of allocated address space announced:                6.5
    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:        3395

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

Prefixes being announced by APNIC Region ASes:                     4726
    Total APNIC prefixes after maximum aggregation:                2322
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4779
    Unique aggregates announced from the APNIC address blocks:     2677
APNIC Region origin ASes present in the Internet Routing Table:     583
    APNIC Prefixes per ASN:                                        8.20
APNIC Region origin ASes announcing only one prefix:                246
APNIC Region transit ASes present in the Internet Routing Table:     63
Average APNIC Region AS path length visible:                        5.6
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    230
Number of APNIC addresses announced to Internet:               45772864
    Equivalent to 2 /8s, 186 /16s and 112 /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:                     14996
    Total ARIN prefixes after maximum aggregation:                 6789
    ARIN Deaggregation factor:                                     2.21
Prefixes being announced from the ARIN address blocks:            14754
    Unique aggregates announced from the ARIN address blocks:      7582
ARIN Region origin ASes present in the Internet Routing Table:     1258
    ARIN Prefixes per ASN:                                        11.73
ARIN Region origin ASes announcing only one prefix:                 443
ARIN Region transit ASes present in the Internet Routing Table:     157
Average ARIN Region AS path length visible:                         4.4
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     212
Number of ARIN addresses announced to Internet:               129848049
    Equivalent to 7 /8s, 189 /16s and 82 /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:                      3615
    Total RIPE prefixes after maximum aggregation:                 2887
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3790
    Unique aggregates announced from the RIPE address blocks:      3170
RIPE Region origin ASes present in the Internet Routing Table:      677
    RIPE Prefixes per ASN:                                         5.60
RIPE Region origin ASes announcing only one prefix:                 301
RIPE Region transit ASes present in the Internet Routing Table:     101
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     151
Number of RIPE addresses announced to Internet:                57693584
    Equivalent to 3 /8s, 112 /16s and 85 /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:                    1477
    Total LACNIC prefixes after maximum aggregation:                644
    LACNIC Deaggregation factor:                                   2.29
Prefixes being announced from the LACNIC address blocks:           1482
    Unique aggregates announced from the LACNIC address blocks:     812
LACNIC Region origin ASes present in the Internet Routing Table:    158
    LACNIC Prefixes per ASN:                                       9.38
LACNIC Region origin ASes announcing only one prefix:                51
LACNIC Region transit ASes present in the Internet Routing Table:    27
Average LACNIC Region AS path length visible:                       4.7
    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:               4259712
    Equivalent to 0 /8s, 64 /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:                    860
    Total AfriNIC prefixes after maximum aggregation:               151
    AfriNIC Deaggregation factor:                                  5.70
Prefixes being announced from the AfriNIC address blocks:           863
    Unique aggregates announced from the AfriNIC address blocks:    202
AfriNIC Region origin ASes present in the Internet Routing Table:    32
    AfriNIC Prefixes per ASN:                                     26.97
AfriNIC Region origin ASes announcing only one prefix:               17
AfriNIC Region transit ASes present in the Internet Routing Table:    8
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   13
Number of AfriNIC addresses announced to Internet:              2416384
    Equivalent to 0 /8s, 36 /16s and 223 /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         601       2162     465  SINET-AS Research Organization of Infor
  7497         440        180      24  CSTNET-AS-AP Computer Network Informati
  1237         191         74     142  KREONET-AS-KR KISTI, KR
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  AARNET-AS-AP Australian Academic and Re
 55824         131         19      19  NKN-CORE-NW NKN Core Network, IN
  4538         129       4192      72  ERX-CERNET-BKB China Education and Rese
  9411          82         16       2  NONTRINET-AS-AP Kasetsart University, T
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          70         37      10  UNINET-AS-AP UNINET-, TH

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        2766       3639     412  GOOGLE-CLOUD-PLATFORM, US
 16509        2191       1718     952  AMAZON-02, US
 14618         919       4166     700  AMAZON-AES, US
 15169         820       1997      61  GOOGLE, US
   376         202        162     152  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  2920         177         34       7  LACOE, US
 36492         165         12      38  GOOGLEWIFI, US
   270         162        345      88  AS270, US
  2152         150        507      94  CSUNET-NW, 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 Deutsch
   786         187       1767     184  JANET Jisc Services Limited, GB
  8895         159         24       5  ISU Internet Services Unit ISU, SA
   559         113        533     103  SWITCH Peering requests: peering at switch
  1103          95       1503      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         27      73  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnol
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          74         26      64  RUNNET, 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
  1916         156        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         117         25      55  Red Universitaria Nacional, CL
 27947         117          0      89  Telconet S.A, EC
271640          65          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          49         16       2  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          46         99      35  Fundacao Carlos Chagas Filho de Amparo 
 28614          38          2       2  Fundacao Universidade Regional de Blume
  3596          36          4       3  Universidad Autonoma Metropolitana, MX

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
  2018         380        319      71  TENET-1, ZA
 36914         252         82       3  KENET-AS, KE
  8094          47         48      18  PUKNET, ZA
327700          42         16       1  MoRENet, MZ
 37215          36          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37654          14          1       8  RwEdNet-AS, RW
 37182          12          8       1  TERNET, TZ
 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        2766       3639     412  GOOGLE-CLOUD-PLATFORM, US
 16509        2191       1718     952  AMAZON-02, US
 14618         919       4166     700  AMAZON-AES, US
 15169         820       1997      61  GOOGLE, US
  2907         601       2162     465  SINET-AS Research Organization of Infor
  7497         440        180      24  CSTNET-AS-AP Computer Network Informati
  2018         380        319      71  TENET-1, ZA
   680         282       1899     249  DFN Verein zur Foerderung eines Deutsch
 36914         252         82       3  KENET-AS, KE
   376         202        162     152  RISQ-AS, CA

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        2191         1239  AMAZON-02, US
 15169         820          759  GOOGLE, US
  7497         440          416  CSTNET-AS-AP Computer Network Information Cente
  2018         380          309  TENET-1, ZA
 36914         252          249  KENET-AS, KE
 14618         919          219  AMAZON-AES, US
  5786         199          198  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  2920         177          170  LACOE, US
  8895         159          154  ISU Internet Services Unit ISU, SA

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
     18838  UNALLOCATED  168.8.240.0/20            3480  PEACHNET-AS3480, US
     18838  UNALLOCATED  168.9.0.0/20              3480  PEACHNET-AS3480, US

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

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

Unassigned Network     ASN Information  AS Name
170.39.88.0/24       Origin:     14618  AMAZON-AES, US
170.39.88.0/24      Transit:     16509  AMAZON-02, US
192.31.196.0/24      Origin:       112  RESERVED, ZZ
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
198.135.168.0/24     Origin:     14618  AMAZON-AES, US
198.135.168.0/24    Transit:     16509  AMAZON-02, US
199.91.149.0/24      Origin:     14618  AMAZON-AES, US
199.91.149.0/24     Transit:     16509  AMAZON-02, US
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

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       /11:4       /12:19      
/13:35      /14:81      /15:160     /16:2108    /17:510     /18:502     
/19:734     /20:2804    /21:1060    /22:1672    /23:1755    /24:13852   
/25:78      /26:53      /27:68      /28:21      /29:78      /30:34      
/31:38      /32:8       

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

   ASN  No of nets  Total ann.  Description
 16509         324        2191  AMAZON-02, US
 14618         305         919  AMAZON-AES, US
 15169         275         820  GOOGLE, US
 36914         239         252  KENET-AS, KE
396982         222        2766  GOOGLE-CLOUD-PLATFORM, US
  8895         154         159  ISU Internet Services Unit ISU, SA
 27947          92         117  Telconet S.A, EC
 32440          84         118  LONI, US
 23024          51         108  OCDE, US
327700          37          42  MoRENet, MZ

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

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

   1:2         3:86        5:21        8:28       12:1        13:45     
  14:91       15:71       16:112      18:68       23:109      24:3      
  31:3        34:23       35:48       36:1        38:10       40:5      
  41:196      42:10       43:2        44:7        45:60       46:11     
  47:1        49:9        50:5        52:552      54:163      59:19     
  60:6        61:3        62:9        63:36       64:160      65:16     
  66:82       67:64       68:15       69:43       70:44       71:3      
  72:11       74:151      75:1        76:47       77:13       78:3      
  79:10       80:13       81:26       82:7        83:7        84:7      
  85:45       86:5        87:3        88:1        89:21       91:61     
  92:5        93:5        94:2        95:2        96:7        97:1      
  98:10       99:47      101:2       102:7       103:348     104:228    
 107:34      108:104     109:12      114:32      115:1       116:10     
 117:62      118:34      119:21      121:11      122:8       123:8      
 124:41      125:5       128:88      129:43      130:139     131:65     
 132:66      133:157     134:108     135:3       136:299     137:66     
 138:59      139:17      140:42      141:6       142:263     143:25     
 144:40      145:3       146:145     147:75      148:203     149:17     
 150:42      151:19      152:138     153:14      154:32      155:75     
 156:142     157:30      158:42      159:151     160:30      161:30     
 162:102     163:66      164:24      165:67      166:1       167:27     
 168:156     169:10      170:154     171:1       172:113     173:116    
 174:2       175:25      176:10      177:4       178:2       179:7      
 180:15      182:9       184:6       185:108     186:3       187:18     
 188:18      189:3       190:2       191:13      192:1516    193:281    
 194:127     195:73      196:154     197:118     198:483     199:312    
 200:247     201:34      202:622     203:433     204:381     205:156    
 206:212     207:234     208:148     209:177     210:206     211:14     
 212:164     213:16      216:193     217:13      218:22      219:5      
 220:17      222:2       223:14     

End of report


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