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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Oct 4 22:41:17 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Wed 04 Oct, 2023

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

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

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

BGP routing table entries examined:                              983574
    Prefixes after maximum aggregation (per Origin AS):          360507
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      453015
Total ASes present in the Internet Routing Table:                 75161
    Prefixes per ASN:                                             13.09
Origin-only ASes present in the Internet Routing Table:           64513
Origin ASes announcing only one prefix:                           25945
Transit ASes present in the Internet Routing Table:               10648
Transit-only ASes present in the Internet Routing Table:            456
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                     106
    Max AS path prepend of ASN ( 37447)                             103
Prefixes from unregistered ASNs in the Routing Table:              1225
    Number of instances of unregistered ASNs:                      1227
Number of 32-bit ASNs allocated by the RIRs:                      42761
Number of 32-bit ASNs visible in the Routing Table:               35322
Prefixes from 32-bit ASNs in the Routing Table:                  183718
Number of bogon 32-bit ASNs visible in the Routing Table:           215
Special use prefixes present in the Routing Table:                   38
Prefixes being announced from unallocated address space:            628
Number of addresses announced to Internet:                   3055519327
    Equivalent to 182 /8s, 31 /16s and 134 /24s
    Percentage of available address space announced:               82.5
    Percentage of allocated address space announced:               82.5
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      338227

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

Prefixes being announced by APNIC Region ASes:                   257997
    Total APNIC prefixes after maximum aggregation:               72517
    APNIC Deaggregation factor:                                    3.56
Prefixes being announced from the APNIC address blocks:          251342
    Unique aggregates announced from the APNIC address blocks:    98774
APNIC Region origin ASes present in the Internet Routing Table:   13784
    APNIC Prefixes per ASN:                                       18.23
APNIC Region origin ASes announcing only one prefix:               4069
APNIC Region transit ASes present in the Internet Routing Table:   1835
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         32
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9068
Number of APNIC addresses announced to Internet:              773996704
    Equivalent to 46 /8s, 34 /16s and 64 /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:                    281921
    Total ARIN prefixes after maximum aggregation:               125464
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           285083
    Unique aggregates announced from the ARIN address blocks:    131810
ARIN Region origin ASes present in the Internet Routing Table:    19127
    ARIN Prefixes per ASN:                                        14.90
ARIN Region origin ASes announcing only one prefix:                6935
ARIN Region transit ASes present in the Internet Routing Table:    1943
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4837
Number of ARIN addresses announced to Internet:              1278243136
    Equivalent to 76 /8s, 48 /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:                    280734
    Total RIPE prefixes after maximum aggregation:               126996
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           274987
    Unique aggregates announced from the RIPE address blocks:    159911
RIPE Region origin ASes present in the Internet Routing Table:    28507
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12031
RIPE Region transit ASes present in the Internet Routing Table:    3966
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11396
Number of RIPE addresses announced to Internet:               716433119
    Equivalent to 42 /8s, 179 /16s and 230 /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:                  127828
    Total LACNIC prefixes after maximum aggregation:              28731
    LACNIC Deaggregation factor:                                   4.45
Prefixes being announced from the LACNIC address blocks:         127107
    Unique aggregates announced from the LACNIC address blocks:   49320
LACNIC Region origin ASes present in the Internet Routing Table:  11061
    LACNIC Prefixes per ASN:                                      11.49
LACNIC Region origin ASes announcing only one prefix:              2315
LACNIC Region transit ASes present in the Internet Routing Table:  2366
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8870
Number of LACNIC addresses announced to Internet:             178587296
    Equivalent to 10 /8s, 165 /16s and 6 /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:                  33869
    Total AfriNIC prefixes after maximum aggregation:              6022
    AfriNIC Deaggregation factor:                                  5.62
Prefixes being announced from the AfriNIC address blocks:         44426
    Unique aggregates announced from the AfriNIC address blocks:  12673
AfriNIC Region origin ASes present in the Internet Routing Table:  1811
    AfriNIC Prefixes per ASN:                                     24.53
AfriNIC Region origin ASes announcing only one prefix:              595
AfriNIC Region transit ASes present in the Internet Routing Table:  341
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                      106
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1151
Number of AfriNIC addresses announced to Internet:            107805184
    Equivalent to 6 /8s, 108 /16s and 250 /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        9614       8904      99  CHINAMOBILE-CN China Mobile Communicati
  7545        5735        785     699  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5018       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4248        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4031       1857      51  VNPT-AS-VN VNPT Corp, VN
  7552        3752       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3594       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3199        498     255  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2740      11270     605  KIXS-AS-KR Korea Telecom, KR
 24560        2532        850     377  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9107      10992    3257  AMAZON-02, US
 11492        4538        301     674  CABLEONE, US
  7155        4181        289     101  VIASAT-SP-BACKBONE, US
   174        3811       6667     636  COGENT-174, US
 22773        3647       3077     306  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3543       1319      66  SHAW, CA
   749        3163      54958    2415  DNIC-AS-00749, US
 16625        3063       1430    2316  AKAMAI-AS, US
   367        3019       3845    1421  DNIC-ASBLK-00306-00371, US
396982        2699       3597     394  GOOGLE-CLOUD-PLATFORM, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        8590       1174    2973  TTNET, TR
 12479        7378       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4147       3399     181  AKAMAI-ASN1, NL
  8551        3448        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3013       2296     920  ROSTELECOM-AS, RU
  9009        2893        264    1477  M247, RO
  8452        2532       1852      16  TE-AS TE-AS, EG
  5384        2463        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2379        365     587  TELLCOM-AS, TR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11891       3383     607  UNINET, MX
 10620        3533        504     857  Telmex Colombia S.A., CO
 13999        2410        331     624  Mega Cable, S.A. de C.V., MX
 11830        2007        369      64  Instituto Costarricense de Electricidad
 28573        1332       2324     227  Claro NXT Telecomunicacoes Ltda, BR
  6503        1301        344     509  Axtel, S.A.B. de C.V., MX
  3816        1297        766     191  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1111        369      22  Telefonica del Peru S.A.A., PE
 28202        1090         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1076        169     427  Techtel LMDS Comunicaciones Interactiva

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1885        319      45  Telkom-Internet, ZA
 24863        1548        393      19  LINKdotNET-AS, EG
 24835        1535        549      28  RAYA-AS, EG
 36992        1360       1518     280  ETISALAT-MISR, EG
 36903        1248        553      98  MT-MPLS, MA
 29571        1045         67      45  ORANGE-COTE-IVOIRE, CI
 36935         938        521      44  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 36914         540         82       3  KENET-AS, KE
 15399         526         55      50  WANANCHI-, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11891       3383     607  UNINET, MX
  9808        9614       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9107      10992    3257  AMAZON-02, US
 47331        8590       1174    2973  TTNET, TR
 12479        7378       1713     145  UNI2-AS, ES
  7545        5735        785     699  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5018       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4538        301     674  CABLEONE, US
 18403        4248        347      25  FPT-AS-AP FPT Telecom Company, VN

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

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

   ASN  No of nets  Net Savings  Description
  9808        9614         9515  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7378         7233  UNI2-AS, ES
 16509        9107         5850  AMAZON-02, US
 47331        8590         5617  TTNET, TR
  7545        5735         5036  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5018         4943  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4248         4223  FPT-AS-AP FPT Telecom Company, VN
  7155        4181         4080  VIASAT-SP-BACKBONE, US
 45899        4031         3980  VNPT-AS-VN VNPT Corp, VN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24            46887  LIGHTOWER, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

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

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

Prefix                Origin AS  Description
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ

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

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

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:38      /11:101     /12:300     
/13:581     /14:1211    /15:2148    /16:13684   /17:8576    /18:14795   
/19:25826   /20:45871   /21:54618   /22:114380  /23:107178  /24:589316  
/25:1137    /26:1087    /27:1488    /28:159     /29:236     /30:77      
/31:70      /32:666     

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

   ASN  No of nets  Total ann.  Description
 47331        7710        8590  TTNET, TR
 12479        6464        7378  UNI2-AS, ES
  8151        5897       11891  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3450        4538  CABLEONE, US
  6327        3355        3543  SHAW, CA
  7155        3126        4181  VIASAT-SP-BACKBONE, US
  8551        2924        3448  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2692        3647  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2151        2494  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2259      2:1581      3:266       4:8         5:4639      6:137    
   7:6         8:1613      9:1        11:172      12:1517     13:371    
  14:2414     15:305      16:198      17:375      18:659      20:310    
  21:4        22:188      23:6529     24:2933     25:2        27:2669   
  29:19       31:2690     32:94       34:26       35:119      36:2017   
  37:4664     38:6490     39:872      40:144      41:4820     42:2079   
  43:2409     44:327      45:17483    46:4481     47:380      49:1842   
  50:1909     51:583      52:1626     54:392      55:945      56:5      
  57:132      58:1943     59:1206     60:1009     61:2727     62:2825   
  63:1945     64:5865     65:2400     66:5167     67:3100     68:1367   
  69:4211     70:1399     71:683      72:3033     74:2663     75:1612   
  76:635      77:2442     78:4029     79:3027     80:2157     81:2075   
  82:1594     83:1377     84:1588     85:3940     86:868      87:2269   
  88:2910     89:3976     90:625      91:7985     92:2140     93:2659   
  94:3717     95:5161     96:1339     97:319      98:1123     99:732    
 100:123     101:1326    102:3270    103:32726   104:4779    105:2001   
 106:985     107:2744    108:1151    109:4322    110:2186    111:3179   
 112:2127    113:1812    114:1706    115:2151    116:1941    117:2574   
 118:2758    119:2066    120:1845    121:1233    122:2766    123:2280   
 124:1665    125:2603    128:1548    129:1017    130:1094    131:2086   
 132:966     133:408     134:1794    135:350     136:977     137:991    
 138:2831    139:1687    140:1302    141:1340    142:1549    143:1621   
 144:1015    145:352     146:1997    147:1625    148:2531    149:2347   
 150:897     151:1249    152:2007    153:594     154:5418    155:1399   
 156:2063    157:1374    158:1067    159:2196    160:2715    161:1619   
 162:3558    163:1677    164:1773    165:1919    166:1093    167:1759   
 168:3949    169:819     170:4922    171:946     172:3819    173:3008   
 174:993     175:1258    176:3936    177:5391    178:3590    179:2448   
 180:2606    181:3576    182:3399    183:2034    184:2289    185:20993  
 186:5067    187:4555    188:4342    189:4181    190:9504    191:1846   
 192:11045   193:9038    194:7533    195:5483    196:3647    197:3039   
 198:6076    199:6191    200:8277    201:6351    202:10938   203:10581  
 204:4617    205:3745    206:4472    207:3568    208:4197    209:4978   
 210:4734    211:2639    212:4405    213:3532    214:1112    215:70     
 216:6877    217:3032    218:1330    219:608     220:2040    221:985    
 222:855     223:2180   

End of report


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