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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Mar 23 20:16:31 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Sat 23 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:                              183720
    Prefixes after maximum aggregation (per Origin AS):           80163
    Deaggregation factor:                                          2.29
    Unique aggregates announced (without unneeded subnets):      100589
    Number of IPv4 prefixes with a valid ROA:                     70351
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         113350
Total ASes present in the Internet Routing Table:                 15549
    Prefixes per ASN:                                             11.82
Origin-only ASes present in the Internet Routing Table:           13441
Origin ASes announcing only one prefix:                            6103
Transit ASes present in the Internet Routing Table:                2108
Transit-only ASes present in the Internet Routing Table:            568
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:               227
    Number of instances of unregistered ASNs:                       227
Number of 32-bit ASNs allocated by the RIRs:                      43893
Number of 32-bit ASNs visible in the Routing Table:                5652
Prefixes from 32-bit ASNs in the Routing Table:                   18787
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:            101
Number of addresses announced to Internet:                   1026593977
    Equivalent to 61 /8s, 48 /16s and 148 /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:       53789

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

Prefixes being announced by APNIC Region ASes:                    28714
    Total APNIC prefixes after maximum aggregation:                6506
    APNIC Deaggregation factor:                                    4.41
Prefixes being announced from the APNIC address blocks:           28431
    Unique aggregates announced from the APNIC address blocks:     7520
APNIC Region origin ASes present in the Internet Routing Table:    1096
    APNIC Prefixes per ASN:                                       25.94
APNIC Region origin ASes announcing only one prefix:                437
APNIC Region transit ASes present in the Internet Routing Table:    177
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:    471
Number of APNIC addresses announced to Internet:              157705096
    Equivalent to 9 /8s, 102 /16s and 99 /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:                     82436
    Total ARIN prefixes after maximum aggregation:                44761
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            81345
    Unique aggregates announced from the ARIN address blocks:     50580
ARIN Region origin ASes present in the Internet Routing Table:     7176
    ARIN Prefixes per ASN:                                        11.34
ARIN Region origin ASes announcing only one prefix:                3056
ARIN Region transit ASes present in the Internet Routing Table:     639
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:    1464
Number of ARIN addresses announced to Internet:               604910945
    Equivalent to 36 /8s, 14 /16s and 53 /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:                     35332
    Total RIPE prefixes after maximum aggregation:                16682
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:            35814
    Unique aggregates announced from the RIPE address blocks:     23557
RIPE Region origin ASes present in the Internet Routing Table:     3272
    RIPE Prefixes per ASN:                                        10.95
RIPE Region origin ASes announcing only one prefix:                1393
RIPE Region transit ASes present in the Internet Routing Table:     512
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:    1213
Number of RIPE addresses announced to Internet:               158020304
    Equivalent to 9 /8s, 107 /16s and 50 /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:                   32239
    Total LACNIC prefixes after maximum aggregation:              10208
    LACNIC Deaggregation factor:                                   3.16
Prefixes being announced from the LACNIC address blocks:          31956
    Unique aggregates announced from the LACNIC address blocks:   15915
LACNIC Region origin ASes present in the Internet Routing Table:   3093
    LACNIC Prefixes per ASN:                                      10.33
LACNIC Region origin ASes announcing only one prefix:              1117
LACNIC Region transit ASes present in the Internet Routing Table:   611
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:  2371
Number of LACNIC addresses announced to Internet:              73816832
    Equivalent to 4 /8s, 102 /16s and 91 /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:                   4772
    Total AfriNIC prefixes after maximum aggregation:              1821
    AfriNIC Deaggregation factor:                                  2.62
Prefixes being announced from the AfriNIC address blocks:          6073
    Unique aggregates announced from the AfriNIC address blocks:   2924
AfriNIC Region origin ASes present in the Internet Routing Table:   247
    AfriNIC Prefixes per ASN:                                     24.59
AfriNIC Region origin ASes announcing only one prefix:              100
AfriNIC Region transit ASes present in the Internet Routing Table:   64
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:  133
Number of AfriNIC addresses announced to Internet:             32084736
    Equivalent to 1 /8s, 233 /16s and 147 /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        9667       8741      60  CHINAMOBILE-CN China Mobile Communicati
 56047        1479        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        9724      11354    3420  AMAZON-02, US
   749        3191      54916    2443  DNIC-AS-00749, US
   367        2917       3629    1385  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1696       4898     315  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1547        100    1154  USDA-1, US
  5972        1421        396     641  DNIC-ASBLK-05800-06055, US
  7979        1002         66     196  SERVERS-COM, US
   855         950        255      82  CANET-ASN-4, CA
 16625         856        399     788  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        1298        110    1060  AKAMAI-ASN1, NL
  3215         901       4830     297  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         721         60      22  Jordan Data Communications, JO
 58224         558        244     384  TCI, IR
  8452         542       1841      11  TE-AS TE-AS, EG
 51167         438         81     185  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 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        5378       1554     860  UNINET, MX
  3816        1312        788     199  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1089        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         653        239     192  LINKdotNET-AS, EG
 36992         439        644     278  ETISALAT-MISR, EG
  2018         381        319      71  TENET-1, ZA
 36935         267         67      80  Vodafone-, EG
 36914         205         82       3  KENET-AS, KE
 24835         199        162     115  RAYA-AS, EG
 37282         163         26       6  MAINONE, NG
327687         163         28       3  RENU, UG
 37492         156        471      44  ORANGE-, TN
 37054         155         12      91  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        9724      11354    3420  AMAZON-02, US
  9808        9667       8741      60  CHINAMOBILE-CN China Mobile Communicati
  8151        5378       1554     860  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3191      54916    2443  DNIC-AS-00749, US
   367        2917       3629    1385  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1696       4898     315  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1547        100    1154  USDA-1, US
 56047        1479        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        9667         9607  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5378         4518  UNINET, MX
 11776        1857         1637  ATLANTICBB-JOHNSTOWN, US
   367        2917         1532  DNIC-ASBLK-00306-00371, US
 56047        1479         1445  CMNET-HUNAN-AP China Mobile communications corp
   209        1696         1381  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      
/13:116     /14:336     /15:671     /16:5272    /17:2516    /18:2606    
/19:5342    /20:8594    /21:10839   /22:19750   /23:20325   /24:106986  
/25:69      /26:40      /27:71      /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        2942        5378  UNINET, MX
 16509        2047        9724  AMAZON-02, US
   209         958        1696  CENTURYLINK-US-LEGACY-QWEST, US
 11776         893        1857  ATLANTICBB-JOHNSTOWN, US
 11830         882        1041  Instituto Costarricense de Electricidad y Telec
 19901         692         831  BRSPD-PUBLIC, US
  6147         687        1089  Telefonica del Peru S.A.A., PE
  8376         561         721  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)
----------------------------------------------

   1:8         2:384       3:285       5:1069      6:148       7:5      
   8:622      11:171      12:258      13:315      14:100      15:281    
  16:174      17:6        18:700      20:33       21:4        22:188    
  23:1798     24:405      25:2        27:19       29:19       31:162    
  32:1        34:5        35:54       36:1139     37:521      38:834    
  39:523      40:8        41:581      42:22       43:185      44:28     
  45:2312     46:574      47:99       49:11       50:252      51:470    
  52:1348     54:269      55:973      57:16       58:4        59:30     
  60:19       61:63       62:341      63:465      64:1439     65:791    
  66:1221     67:671      68:165      69:713      70:147      71:189    
  72:367      74:727      75:392      76:208      77:276      78:492    
  79:161      80:199      81:188      82:173      83:128      84:184    
  85:319      86:145      87:140      88:122      89:459      90:98     
  91:512      92:396      93:787      94:532      95:1079     96:165    
  97:31       98:129      99:146     100:22      101:24      102:310    
 103:1045    104:688     105:29      106:3       107:222     108:297    
 109:234     110:24      111:1753    112:447     113:40      114:32     
 115:11      116:32      117:946     118:51      119:96      120:1093   
 121:31      122:80      123:20      124:57      125:11      128:359    
 129:320     130:473     131:774     132:498     133:264     134:339    
 135:66      136:371     137:453     138:713     139:398     140:576    
 141:322     142:695     143:594     144:319     145:59      146:460    
 147:320     148:611     149:518     150:286     151:493     152:362    
 153:117     154:524     155:661     156:364     157:233     158:320    
 159:526     160:323     161:414     162:698     163:289     164:622    
 165:369     166:102     167:383     168:978     169:152     170:1252   
 171:63      172:895     173:620     174:104     175:46      176:398    
 177:745     178:333     179:516     180:43      181:997     182:20     
 183:855     184:199     185:2226    186:980     187:814     188:494    
 189:1141    190:2909    191:180     192:3689    193:1208    194:792    
 195:557     196:467     197:435     198:1897    199:3345    200:2686   
 201:2559    202:945     203:584     204:1755    205:1659    206:1140   
 207:1037    208:971     209:1432    210:306     211:422     212:676    
 213:523     214:1043    215:43      216:1683    217:283     218:515    
 219:19      220:30      221:300     222:17      223:628    

End of report


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