[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Tue Mar 26 20:16:31 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Tue 26 Mar, 2024

  IPv4 BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

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

BGP routing table entries examined:                              183500
    Prefixes after maximum aggregation (per Origin AS):           80153
    Deaggregation factor:                                          2.29
    Unique aggregates announced (without unneeded subnets):      100433
    Number of IPv4 prefixes with a valid ROA:                     69798
    Number of IPv4 prefixes with an invalid ROA:                     23
    Number of IPv4 prefixes with no ROA:                         113679
Total ASes present in the Internet Routing Table:                 15599
    Prefixes per ASN:                                             11.76
Origin-only ASes present in the Internet Routing Table:           13470
Origin ASes announcing only one prefix:                            6092
Transit ASes present in the Internet Routing Table:                2129
Transit-only ASes present in the Internet Routing Table:            573
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.7
    Max AS path length visible:                                      28
    Max AS path prepend of ASN ( 28683)                              24
Prefixes from unregistered ASNs in the Routing Table:               224
    Number of instances of unregistered ASNs:                       224
Number of 32-bit ASNs allocated by the RIRs:                      43905
Number of 32-bit ASNs visible in the Routing Table:                5692
Prefixes from 32-bit ASNs in the Routing Table:                   18989
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:             98
Number of addresses announced to Internet:                   1025676217
    Equivalent to 61 /8s, 34 /16s and 147 /24s
    Percentage of available address space announced:               27.7
    Percentage of allocated address space announced:               27.7
    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:       53646

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

Prefixes being announced by APNIC Region ASes:                    28778
    Total APNIC prefixes after maximum aggregation:                6527
    APNIC Deaggregation factor:                                    4.41
Prefixes being announced from the APNIC address blocks:           28501
    Unique aggregates announced from the APNIC address blocks:     7563
APNIC Region origin ASes present in the Internet Routing Table:    1099
    APNIC Prefixes per ASN:                                       25.93
APNIC Region origin ASes announcing only one prefix:                433
APNIC Region transit ASes present in the Internet Routing Table:    178
Average APNIC Region AS path length visible:                        6.3
    Max APNIC Region AS path length visible:                         19
Number of APNIC region 32-bit ASNs visible in the Routing Table:    474
Number of APNIC addresses announced to Internet:              157699208
    Equivalent to 9 /8s, 102 /16s and 76 /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:                     82654
    Total ARIN prefixes after maximum aggregation:                44877
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            81541
    Unique aggregates announced from the ARIN address blocks:     50656
ARIN Region origin ASes present in the Internet Routing Table:     7180
    ARIN Prefixes per ASN:                                        11.36
ARIN Region origin ASes announcing only one prefix:                3054
ARIN Region transit ASes present in the Internet Routing Table:     642
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1462
Number of ARIN addresses announced to Internet:               605385057
    Equivalent to 36 /8s, 21 /16s and 113 /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, 393216-401308
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:                     34884
    Total RIPE prefixes after maximum aggregation:                16518
    RIPE Deaggregation factor:                                     2.11
Prefixes being announced from the RIPE address blocks:            35364
    Unique aggregates announced from the RIPE address blocks:     23301
RIPE Region origin ASes present in the Internet Routing Table:     3268
    RIPE Prefixes per ASN:                                        10.82
RIPE Region origin ASes announcing only one prefix:                1394
RIPE Region transit ASes present in the Internet Routing Table:     516
Average RIPE Region AS path length visible:                         5.8
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1212
Number of RIPE addresses announced to Internet:               157170128
    Equivalent to 9 /8s, 94 /16s and 57 /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:                   32431
    Total LACNIC prefixes after maximum aggregation:              10363
    LACNIC Deaggregation factor:                                   3.13
Prefixes being announced from the LACNIC address blocks:          32141
    Unique aggregates announced from the LACNIC address blocks:   16075
LACNIC Region origin ASes present in the Internet Routing Table:   3142
    LACNIC Prefixes per ASN:                                      10.23
LACNIC Region origin ASes announcing only one prefix:              1111
LACNIC Region transit ASes present in the Internet Routing Table:   621
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2418
Number of LACNIC addresses announced to Internet:              74027008
    Equivalent to 4 /8s, 105 /16s and 144 /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:                   4529
    Total AfriNIC prefixes after maximum aggregation:              1684
    AfriNIC Deaggregation factor:                                  2.69
Prefixes being announced from the AfriNIC address blocks:          5855
    Unique aggregates announced from the AfriNIC address blocks:   2746
AfriNIC Region origin ASes present in the Internet Routing Table:   240
    AfriNIC Prefixes per ASN:                                     24.40
AfriNIC Region origin ASes announcing only one prefix:              100
AfriNIC Region transit ASes present in the Internet Routing Table:   60
Average AfriNIC Region AS path length visible:                      5.6
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  126
Number of AfriNIC addresses announced to Internet:             31339008
    Equivalent to 1 /8s, 222 /16s and 50 /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
  9808        9668       8741      60  CHINAMOBILE-CN China Mobile Communicati
 56047        1478        188      34  CMNET-HUNAN-AP China Mobile communicati
 56046        1471        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1443        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         778        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         762        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
  7497         441        180      23  CSTNET-AS-AP Computer Network Informati
 56040         435        488     107  CMNET-GUANGDONG-AP China Mobile communi

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9739      11355    3429  AMAZON-02, US
   749        3191      54916    2443  DNIC-AS-00749, US
   367        2925       3616    1390  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1695       4898     315  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1549        100    1153  USDA-1, US
  5972        1418        396     641  DNIC-ASBLK-05800-06055, US
  7979        1002         66     196  SERVERS-COM, US
   855         952        255      82  CANET-ASN-4, CA
 16625         850        397     782  AKAMAI-AS, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        1291        109    1055  AKAMAI-ASN1, NL
  3215         901       4830     297  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         720         60      22  Jordan Data Communications, JO
  8452         544       1841      11  TE-AS TE-AS, EG
 51167         438         81     185  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 58224         414        189     327  TCI, IR
 35819         386        378      73  MOBILY-AS Etihad Etisalat Company Mobil

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151        5369       1554     858  UNINET, MX
  3816        1312        788     199  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1089        369      22  Telefonica del Peru S.A.A., PE
 11830        1043        324       5  Instituto Costarricense de Electricidad
 18881         944       1120      28  TELEFONICA BRASIL S.A, BR
 11664         591        108     224  Techtel LMDS Comunicaciones Interactiva
 26599         571       2949      46  TELEFONICA BRASIL S.A, BR
 10620         545         71     456  Telmex Colombia S.A., CO
 13999         485         66     208  Mega Cable, S.A. de C.V., MX
 28343         321         63     100  UNIFIQUE TELECOMUNICACOES SA, BR

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863         607        234     177  LINKdotNET-AS, EG
 36992         446        652     282  ETISALAT-MISR, EG
  2018         380        319      71  TENET-1, ZA
 36935         266         67      80  Vodafone-, EG
 36914         207         82       3  KENET-AS, KE
 24835         199        162     115  RAYA-AS, EG
327687         164         28       3  RENU, UG
 37282         163         26       6  MAINONE, NG
 37492         156        471      44  ORANGE-, TN
 37693         145        595      51  TUNISIANA, TN

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9739      11355    3429  AMAZON-02, US
  9808        9668       8741      60  CHINAMOBILE-CN China Mobile Communicati
  8151        5369       1554     858  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3191      54916    2443  DNIC-AS-00749, US
   367        2925       3616    1390  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1695       4898     315  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1549        100    1153  USDA-1, US
 56047        1478        188      34  CMNET-HUNAN-AP China Mobile communicati

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet

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

   ASN  No of nets  Net Savings  Description
  9808        9668         9608  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5369         4511  UNINET, MX
 11776        1857         1637  ATLANTICBB-JOHNSTOWN, US
   367        2925         1535  DNIC-ASBLK-00306-00371, US
 56047        1478         1444  CMNET-HUNAN-AP China Mobile communications corp
   209        1695         1380  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1443         1370  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1471         1361  CMNET-JIANGSU-AP China Mobile communications co
  3816        1312         1113  COLOMBIA TELECOMUNICACIONES S.A. ESP, CO

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.42.219.0/24             3356  LEVEL3, US
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
     30442  UNALLOCATED  12.155.208.0/24           7018  ATT-INTERNET4, US
     32282  UNALLOCATED  12.162.231.0/24           7018  ATT-INTERNET4, US
     32282  UNALLOCATED  12.162.235.0/24           7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1835  FSKNET-DK Forskningsnettet - Danish network for

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar

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

Unassigned Network     ASN Information  AS Name
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
41.74.44.0/24        Origin:     37544  RESERVED, ZZ
41.74.44.0/24       Transit:     15964  CAMNET-AS, CM
41.77.208.0/22       Origin:     37475  RESERVED, ZZ
41.77.208.0/22      Transit:     15964  CAMNET-AS, CM
41.78.60.0/22        Origin:      6762  SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22       Transit:      2914  NTT-LTD-2914, US
41.78.204.0/22       Origin:     37475  RESERVED, ZZ
41.78.204.0/22      Transit:     15964  CAMNET-AS, CM

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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        /8:11       /9:4       /10:14      /11:25      /12:74      
/13:114     /14:335     /15:674     /16:5283    /17:2511    /18:2594    
/19:5331    /20:8548    /21:10800   /22:19606   /23:20349   /24:106990  
/25:69      /26:39      /27:70      /28:19      /29:21      /30:14      
/31:0       /32:5       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2934        5369  UNINET, MX
 16509        2064        9739  AMAZON-02, US
   209         957        1695  CENTURYLINK-US-LEGACY-QWEST, US
 11776         893        1857  ATLANTICBB-JOHNSTOWN, US
 11830         884        1043  Instituto Costarricense de Electricidad y Telec
 19901         689         828  BRSPD-PUBLIC, US
  6147         687        1089  Telefonica del Peru S.A.A., PE
  8376         565         720  Jordan Data Communications, JO
  7979         451        1002  SERVERS-COM, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

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

   1:9         2:374       3:285       5:1074      6:148       7:5      
   8:620      11:171      12:257      13:315      14:118      15:281    
  16:174      17:6        18:705      20:33       21:4        22:188    
  23:1805     24:404      25:2        27:18       29:19       31:164    
  32:1        34:5        35:53       36:1147     37:514      38:832    
  39:523      40:8        41:572      42:21       43:185      44:28     
  45:2297     46:577      47:99       49:11       50:250      51:470    
  52:1345     54:269      55:987      57:16       58:4        59:30     
  60:19       61:62       62:334      63:464      64:1442     65:793    
  66:1230     67:678      68:165      69:738      70:147      71:189    
  72:371      74:734      75:392      76:208      77:274      78:484    
  79:161      80:195      81:185      82:161      83:95       84:182    
  85:319      86:146      87:141      88:122      89:463      90:98     
  91:507      92:398      93:777      94:539      95:1079     96:165    
  97:31       98:125      99:146     100:22      101:25      102:236    
 103:1062    104:687     105:31      106:3       107:222     108:297    
 109:233     110:24      111:1756    112:447     113:40      114:32     
 115:12      116:31      117:947     118:52      119:97      120:1092   
 121:31      122:80      123:20      124:57      125:11      128:360    
 129:320     130:473     131:778     132:501     133:264     134:331    
 135:66      136:372     137:470     138:753     139:396     140:584    
 141:314     142:696     143:574     144:319     145:59      146:461    
 147:320     148:611     149:507     150:290     151:493     152:362    
 153:117     154:534     155:658     156:365     157:244     158:315    
 159:527     160:324     161:414     162:690     163:282     164:626    
 165:368     166:100     167:377     168:1008    169:155     170:1253   
 171:64      172:899     173:618     174:103     175:46      176:399    
 177:764     178:330     179:534     180:51      181:1008    182:20     
 183:855     184:198     185:2209    186:1017    187:785     188:485    
 189:1123    190:2952    191:208     192:3677    193:1212    194:784    
 195:554     196:424     197:403     198:1898    199:3352    200:2677   
 201:2561    202:940     203:591     204:1764    205:1641    206:1131   
 207:1058    208:973     209:1432    210:306     211:423     212:674    
 213:519     214:1040    215:43      216:1690    217:282     218:515    
 219:19      220:30      221:300     222:17      223:632    

End of report


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