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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Nov 9 22:41:26 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Thu 09 Nov, 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:                              982929
    Prefixes after maximum aggregation (per Origin AS):          361598
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      454786
Total ASes present in the Internet Routing Table:                 75273
    Prefixes per ASN:                                             13.06
Origin-only ASes present in the Internet Routing Table:           64574
Origin ASes announcing only one prefix:                           25902
Transit ASes present in the Internet Routing Table:               10699
Transit-only ASes present in the Internet Routing Table:            501
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1350
    Number of instances of unregistered ASNs:                      1357
Number of 32-bit ASNs allocated by the RIRs:                      43026
Number of 32-bit ASNs visible in the Routing Table:               35448
Prefixes from 32-bit ASNs in the Routing Table:                  184918
Number of bogon 32-bit ASNs visible in the Routing Table:           205
Special use prefixes present in the Routing Table:                   33
Prefixes being announced from unallocated address space:            595
Number of addresses announced to Internet:                   3052467933
    Equivalent to 181 /8s, 240 /16s and 246 /24s
    Percentage of available address space announced:               82.4
    Percentage of allocated address space announced:               82.4
    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:      338609

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

Prefixes being announced by APNIC Region ASes:                   255852
    Total APNIC prefixes after maximum aggregation:               72169
    APNIC Deaggregation factor:                                    3.55
Prefixes being announced from the APNIC address blocks:          248902
    Unique aggregates announced from the APNIC address blocks:    98997
APNIC Region origin ASes present in the Internet Routing Table:   13784
    APNIC Prefixes per ASN:                                       18.06
APNIC Region origin ASes announcing only one prefix:               4076
APNIC Region transit ASes present in the Internet Routing Table:   1878
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         36
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9104
Number of APNIC addresses announced to Internet:              772734880
    Equivalent to 46 /8s, 14 /16s and 255 /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:                    282001
    Total ARIN prefixes after maximum aggregation:               126008
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           286043
    Unique aggregates announced from the ARIN address blocks:    132393
ARIN Region origin ASes present in the Internet Routing Table:    19098
    ARIN Prefixes per ASN:                                        14.98
ARIN Region origin ASes announcing only one prefix:                6931
ARIN Region transit ASes present in the Internet Routing Table:    1900
Average ARIN Region AS path length visible:                         4.1
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4831
Number of ARIN addresses announced to Internet:              1277535552
    Equivalent to 76 /8s, 37 /16s and 165 /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:                    281208
    Total RIPE prefixes after maximum aggregation:               127781
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           274994
    Unique aggregates announced from the RIPE address blocks:    160717
RIPE Region origin ASes present in the Internet Routing Table:    28568
    RIPE Prefixes per ASN:                                         9.63
RIPE Region origin ASes announcing only one prefix:               12058
RIPE Region transit ASes present in the Internet Routing Table:    3990
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11481
Number of RIPE addresses announced to Internet:               715544029
    Equivalent to 42 /8s, 166 /16s and 85 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-216475
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                  128489
    Total LACNIC prefixes after maximum aggregation:              28702
    LACNIC Deaggregation factor:                                   4.48
Prefixes being announced from the LACNIC address blocks:         127722
    Unique aggregates announced from the LACNIC address blocks:   49359
LACNIC Region origin ASes present in the Internet Routing Table:  11063
    LACNIC Prefixes per ASN:                                      11.54
LACNIC Region origin ASes announcing only one prefix:              2259
LACNIC Region transit ASes present in the Internet Routing Table:  2380
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8881
Number of LACNIC addresses announced to Internet:             178488864
    Equivalent to 10 /8s, 163 /16s and 134 /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:                  34029
    Total AfriNIC prefixes after maximum aggregation:              6099
    AfriNIC Deaggregation factor:                                  5.58
Prefixes being announced from the AfriNIC address blocks:         44672
    Unique aggregates announced from the AfriNIC address blocks:  12814
AfriNIC Region origin ASes present in the Internet Routing Table:  1809
    AfriNIC Prefixes per ASN:                                     24.69
AfriNIC Region origin ASes announcing only one prefix:              578
AfriNIC Region transit ASes present in the Internet Routing Table:  339
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1151
Number of AfriNIC addresses announced to Internet:            107714816
    Equivalent to 6 /8s, 107 /16s and 153 /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        9716       8730      43  CHINAMOBILE-CN China Mobile Communicati
  7545        5713        786     690  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4975       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4267        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3821       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3604       1047      70  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3261       1872      99  VNPT-AS-VN VNPT Corp, VN
  9498        3249        491     240  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2733      11270     603  KIXS-AS-KR Korea Telecom, KR
 24560        2581        851     375  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        9213      11059    3373  AMAZON-02, US
 11492        4551        302     674  CABLEONE, US
  7155        4182        289     101  VIASAT-SP-BACKBONE, US
   174        3851       6658     627  COGENT-174, US
 22773        3637       3077     308  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3555       1320      67  SHAW, CA
   749        3160      54933    2412  DNIC-AS-00749, US
 16625        3142       1399    2318  AKAMAI-AS, US
   367        3040       3872    1438  DNIC-ASBLK-00306-00371, US
396982        2719       3626     392  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        8683       1183    2880  TTNET, TR
 12479        7450       1713     145  UNI2-AS, ES
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 20940        4081       3398     166  AKAMAI-ASN1, NL
  8551        3442        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  9009        3429        297    1596  M247, RO
 12389        3008       2296     920  ROSTELECOM-AS, RU
  8452        2455       1852      14  TE-AS TE-AS, EG
  5384        2452        585      30  EMIRATES-INTERNET Emirates Internet, AE
 34984        2367        363     584  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       12082       3372     609  UNINET, MX
 10620        3541        504     860  Telmex Colombia S.A., CO
 13999        2445        333     634  Mega Cable, S.A. de C.V., MX
 11830        2007        369      64  Instituto Costarricense de Electricidad
 28573        1333       2322     230  Claro NXT Telecomunicacoes Ltda, BR
  3816        1298        778     190  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1250        342     505  Axtel, S.A.B. de C.V., MX
  6147        1105        369      22  Telefonica del Peru S.A.A., PE
 28202        1099         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1058        168     430  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        1626        319      45  Telkom-Internet, ZA
 24863        1612        393      19  LINKdotNET-AS, EG
 24835        1549        549      28  RAYA-AS, EG
 36992        1358       1518     280  ETISALAT-MISR, EG
 36903        1248        553      98  MT-MPLS, MA
 29571        1045         67      53  ORANGE-COTE-IVOIRE, CI
 36935         935        521      43  Vodafone-, EG
  6713         552       1861      34  IAM-AS, MA
 36914         531         82       3  KENET-AS, KE
 37342         511         32       1  MOVITEL, MZ

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       12082       3372     609  UNINET, MX
  9808        9716       8730      43  CHINAMOBILE-CN China Mobile Communicati
 16509        9213      11059    3373  AMAZON-02, US
 47331        8683       1183    2880  TTNET, TR
 12479        7450       1713     145  UNI2-AS, ES
  7545        5713        786     690  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4975       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 11492        4551        302     674  CABLEONE, US
 18403        4267        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        9716         9673  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7450         7305  UNI2-AS, ES
 16509        9213         5840  AMAZON-02, US
 47331        8683         5803  TTNET, TR
  7545        5713         5023  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4975         4900  ERX-CERNET-BKB China Education and Research Net
 39891        4570         4516  ALJAWWALSTC-AS, SA
 18403        4267         4242  FPT-AS-AP FPT Telecom Company, VN
  7155        4182         4081  VIASAT-SP-BACKBONE, US
 20940        4081         3915  AKAMAI-ASN1, NL

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             3356  LEVEL3, 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      /11:100     /12:301     
/13:584     /14:1212    /15:2142    /16:13621   /17:8582    /18:14219   
/19:25630   /20:45630   /21:54287   /22:114312  /23:107305  /24:590058  
/25:1123    /26:1086    /27:1506    /28:160     /29:238     /30:77      
/31:70      /32:617     

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

   ASN  No of nets  Total ann.  Description
 47331        7800        8683  TTNET, TR
 12479        6540        7450  UNI2-AS, ES
  8151        6080       12082  UNINET, MX
 11492        3464        4551  CABLEONE, US
  6327        3364        3555  SHAW, CA
 39891        3324        4570  ALJAWWALSTC-AS, SA
  7155        3127        4182  VIASAT-SP-BACKBONE, US
  8551        2919        3442  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2681        3637  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2139        2483  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2255      2:1602      3:273       4:8         5:4586      6:161    
   7:6         8:1618      9:1        11:172      12:1499     13:355    
  14:2334     15:304      16:203      17:375      18:671      20:336    
  21:4        22:188      23:6564     24:2966     25:2        27:2662   
  29:19       31:2709     32:77       34:31       35:120      36:2045   
  37:4593     38:6664     39:873      40:150      41:4674     42:2087   
  43:2368     44:332      45:17636    46:4563     47:380      49:1886   
  50:1909     51:576      52:1615     54:393      55:885      56:5      
  57:138      58:1962     59:1189     60:1013     61:2733     62:2827   
  63:1935     64:5705     65:2381     66:5171     67:3132     68:1372   
  69:4176     70:1388     71:614      72:3017     74:2677     75:1610   
  76:640      77:2467     78:4064     79:3045     80:2175     81:2096   
  82:1598     83:1375     84:1631     85:3851     86:879      87:2215   
  88:2949     89:4001     90:633      91:8041     92:2219     93:2668   
  94:3763     95:5136     96:1336     97:315      98:1111     99:737    
 100:121     101:1398    102:3423    103:32686   104:4856    105:1999   
 106:992     107:2809    108:1153    109:4302    110:2170    111:3181   
 112:2104    113:1698    114:1717    115:2091    116:1994    117:2576   
 118:2731    119:2012    120:1809    121:1267    122:2762    123:2257   
 124:1655    125:2666    128:1583    129:1011    130:1104    131:2086   
 132:974     133:408     134:1708    135:342     136:912     137:998    
 138:2908    139:1584    140:1337    141:1331    142:1583    143:1598   
 144:1009    145:341     146:1998    147:1644    148:2501    149:2407   
 150:894     151:1269    152:1988    153:604     154:5602    155:1402   
 156:2171    157:1387    158:1058    159:2212    160:2692    161:1626   
 162:3565    163:1633    164:1741    165:1915    166:1081    167:1766   
 168:4016    169:820     170:4914    171:995     172:3889    173:3033   
 174:987     175:1235    176:3776    177:5565    178:3576    179:2474   
 180:2358    181:3638    182:3385    183:2028    184:2285    185:20967  
 186:5063    187:4653    188:4243    189:4313    190:9470    191:1922   
 192:11046   193:9033    194:7524    195:5476    196:3717    197:2932   
 198:6079    199:6496    200:8302    201:6391    202:10993   203:10484  
 204:4619    205:3721    206:4492    207:3586    208:4181    209:4987   
 210:4618    211:2566    212:4390    213:3524    214:1128    215:71     
 216:6865    217:3030    218:1346    219:607     220:2038    221:1010   
 222:862     223:2217   

End of report


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