[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 19 20:16:29 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Tue 19 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:                              184189
    Prefixes after maximum aggregation (per Origin AS):           79990
    Deaggregation factor:                                          2.30
    Unique aggregates announced (without unneeded subnets):      100517
    Number of IPv4 prefixes with a valid ROA:                     70087
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         114083
Total ASes present in the Internet Routing Table:                 15557
    Prefixes per ASN:                                             11.84
Origin-only ASes present in the Internet Routing Table:           13421
Origin ASes announcing only one prefix:                            6106
Transit ASes present in the Internet Routing Table:                2136
Transit-only ASes present in the Internet Routing Table:            581
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 (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               214
    Number of instances of unregistered ASNs:                       214
Number of 32-bit ASNs allocated by the RIRs:                      43854
Number of 32-bit ASNs visible in the Routing Table:                5646
Prefixes from 32-bit ASNs in the Routing Table:                   18625
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:             90
Number of addresses announced to Internet:                   1026902201
    Equivalent to 61 /8s, 53 /16s and 72 /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:       54032

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

Prefixes being announced by APNIC Region ASes:                    28622
    Total APNIC prefixes after maximum aggregation:                6475
    APNIC Deaggregation factor:                                    4.42
Prefixes being announced from the APNIC address blocks:           28404
    Unique aggregates announced from the APNIC address blocks:     7508
APNIC Region origin ASes present in the Internet Routing Table:    1098
    APNIC Prefixes per ASN:                                       25.87
APNIC Region origin ASes announcing only one prefix:                440
APNIC Region transit ASes present in the Internet Routing Table:    181
Average APNIC Region AS path length visible:                        6.3
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    475
Number of APNIC addresses announced to Internet:              157637256
    Equivalent to 9 /8s, 101 /16s and 90 /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:                     82524
    Total ARIN prefixes after maximum aggregation:                44831
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            81435
    Unique aggregates announced from the ARIN address blocks:     50635
ARIN Region origin ASes present in the Internet Routing Table:     7193
    ARIN Prefixes per ASN:                                        11.32
ARIN Region origin ASes announcing only one prefix:                3067
ARIN Region transit ASes present in the Internet Routing Table:     646
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:               605616737
    Equivalent to 36 /8s, 24 /16s and 250 /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:                     34827
    Total RIPE prefixes after maximum aggregation:                16431
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:            35296
    Unique aggregates announced from the RIPE address blocks:     23179
RIPE Region origin ASes present in the Internet Routing Table:     3264
    RIPE Prefixes per ASN:                                        10.81
RIPE Region origin ASes announcing only one prefix:                1405
RIPE Region transit ASes present in the Internet Routing Table:     513
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1200
Number of RIPE addresses announced to Internet:               157434320
    Equivalent to 9 /8s, 98 /16s and 65 /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:                   33308
    Total LACNIC prefixes after maximum aggregation:              10271
    LACNIC Deaggregation factor:                                   3.24
Prefixes being announced from the LACNIC address blocks:          33034
    Unique aggregates announced from the LACNIC address blocks:   16257
LACNIC Region origin ASes present in the Internet Routing Table:   3095
    LACNIC Prefixes per ASN:                                      10.67
LACNIC Region origin ASes announcing only one prefix:              1098
LACNIC Region transit ASes present in the Internet Routing Table:   629
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:  2384
Number of LACNIC addresses announced to Internet:              74761216
    Equivalent to 4 /8s, 116 /16s and 196 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                   4694
    Total AfriNIC prefixes after maximum aggregation:              1805
    AfriNIC Deaggregation factor:                                  2.60
Prefixes being announced from the AfriNIC address blocks:          5930
    Unique aggregates announced from the AfriNIC address blocks:   2854
AfriNIC Region origin ASes present in the Internet Routing Table:   233
    AfriNIC Prefixes per ASN:                                     25.45
AfriNIC Region origin ASes announcing only one prefix:               96
AfriNIC Region transit ASes present in the Internet Routing Table:   63
Average AfriNIC Region AS path length visible:                      5.6
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  125
Number of AfriNIC addresses announced to Internet:             31402240
    Equivalent to 1 /8s, 223 /16s and 41 /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        9648       8739      54  CHINAMOBILE-CN China Mobile Communicati
 56047        1477        188      34  CMNET-HUNAN-AP China Mobile communicati
 56046        1470        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1442        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         778        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         761        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        9729      11350    3396  AMAZON-02, US
   749        3191      54916    2443  DNIC-AS-00749, US
   367        2930       3633    1397  DNIC-ASBLK-00306-00371, US
 11776        1858        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1700       4898     318  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1540         99    1150  USDA-1, US
  5972        1429        397     640  DNIC-ASBLK-05800-06055, US
  7979         997         66     198  SERVERS-COM, US
   855         950        255      82  CANET-ASN-4, CA
 16625         863        403     794  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        1311        114    1070  AKAMAI-ASN1, NL
  3215         898       4818     295  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         722         60      22  Jordan Data Communications, JO
 58224         558        244     384  TCI, IR
  8452         541       1841      11  TE-AS TE-AS, EG
 51167         439         81     186  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 34984         413         60     339  TELLCOM-AS, TR

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        5990       1734     901  UNINET, MX
  3816        1311        787     198  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1088        369      22  Telefonica del Peru S.A.A., PE
 11830        1041        324       5  Instituto Costarricense de Electricidad
 18881         995       1120      28  TELEFONICA BRASIL S.A, BR
 11664         591        108     224  Techtel LMDS Comunicaciones Interactiva
 26599         569       2941      45  TELEFONICA BRASIL S.A, BR
 10620         515         69     430  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         655        239     194  LINKdotNET-AS, EG
 36992         439        644     278  ETISALAT-MISR, EG
  2018         381        319      71  TENET-1, ZA
 36935         267         67      80  Vodafone-, EG
 36914         206         82       3  KENET-AS, KE
 24835         199        162     115  RAYA-AS, EG
327687         163         28       3  RENU, UG
 37282         159         22      47  MAINONE, NG
 37492         156        471      44  ORANGE-, TN
 37054         154         12      90  Telecom-Malagasy, MG

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        9729      11350    3396  AMAZON-02, US
  9808        9648       8739      54  CHINAMOBILE-CN China Mobile Communicati
  8151        5990       1734     901  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3191      54916    2443  DNIC-AS-00749, US
   367        2930       3633    1397  DNIC-ASBLK-00306-00371, US
 11776        1858        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1700       4898     318  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1540         99    1150  USDA-1, US
 56047        1477        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        9648         9594  CHINAMOBILE-CN China Mobile Communications Grou
  8151        5990         5089  UNINET, MX
 39891        4758         4698  ALJAWWALSTC-AS, SA
 11776        1858         1638  ATLANTICBB-JOHNSTOWN, US
   367        2930         1533  DNIC-ASBLK-00306-00371, US
 56047        1477         1443  CMNET-HUNAN-AP China Mobile communications corp
   209        1700         1382  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1442         1369  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1470         1360  CMNET-JIANGSU-AP China Mobile communications co
  3816        1311         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
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             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
     13342  UNALLOCATED  12.180.92.0/22            7018  ATT-INTERNET4, US
     13342  UNALLOCATED  12.180.244.0/23           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      
/13:115     /14:336     /15:674     /16:5278    /17:2505    /18:2588    
/19:5403    /20:8614    /21:11011   /22:19756   /23:20432   /24:107084  
/25:81      /26:51      /27:74      /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        3188        5990  UNINET, MX
 16509        2036        9729  AMAZON-02, US
   209         958        1700  CENTURYLINK-US-LEGACY-QWEST, US
 11776         893        1858  ATLANTICBB-JOHNSTOWN, US
 11830         882        1041  Instituto Costarricense de Electricidad y Telec
 19901         689         828  BRSPD-PUBLIC, US
  6147         686        1088  Telefonica del Peru S.A.A., PE
  8376         562         722  Jordan Data Communications, JO
  7979         446         997  SERVERS-COM, US

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

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

   1:8         2:479       3:283       5:1062      6:148       7:5      
   8:622      11:171      12:257      13:323      14:100      15:281    
  16:174      17:6        18:698      20:33       21:4        22:188    
  23:1807     24:404      25:2        27:17       29:19       31:144    
  32:1        34:5        35:53       36:1120     37:495      38:818    
  39:523      40:8        41:571      42:20       43:185      44:28     
  45:2310     46:540      47:99       49:11       50:250      51:469    
  52:1352     54:272      55:972      57:15       58:6        59:34     
  60:19       61:62       62:329      63:468      64:1438     65:795    
  66:1218     67:675      68:164      69:715      70:147      71:190    
  72:372      74:726      75:389      76:208      77:258      78:493    
  79:161      80:204      81:186      82:173      83:96       84:185    
  85:320      86:146      87:145      88:121      89:449      90:98     
  91:504      92:393      93:766      94:523      95:1079     96:165    
  97:32       98:125      99:144     100:22      101:25      102:292    
 103:1044    104:687     105:28      106:3       107:219     108:297    
 109:224     110:29      111:1753    112:447     113:40      114:32     
 115:11      116:31      117:946     118:52      119:96      120:1092   
 121:31      122:80      123:20      124:57      125:12      128:390    
 129:321     130:471     131:777     132:501     133:264     134:330    
 135:65      136:376     137:453     138:741     139:398     140:575    
 141:326     142:694     143:582     144:321     145:59      146:456    
 147:321     148:610     149:509     150:290     151:492     152:369    
 153:117     154:490     155:659     156:362     157:227     158:318    
 159:528     160:330     161:416     162:713     163:294     164:616    
 165:365     166:102     167:385     168:971     169:149     170:1254   
 171:62      172:895     173:616     174:105     175:46      176:387    
 177:767     178:327     179:563     180:43      181:998     182:20     
 183:855     184:199     185:2065    186:998     187:890     188:492    
 189:1216    190:2987    191:192     192:3677    193:1173    194:763    
 195:557     196:455     197:446     198:1907    199:3345    200:2742   
 201:2607    202:943     203:604     204:1770    205:1649    206:1129   
 207:1062    208:977     209:1411    210:289     211:422     212:685    
 213:535     214:1047    215:43      216:1686    217:297     218:515    
 219:19      220:30      221:300     222:18      223:628    

End of report


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