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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Feb 25 21:40:10 UTC 2025


IPv4 R&E Routing Table Report   21:35 GMT Tue 25 Feb, 2025

  IPv4 BGP Table (Global) as seen at USP.

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

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

BGP routing table entries examined:                              974184
    Prefixes after maximum aggregation (per Origin AS):          372815
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      475852
    Number of IPv4 prefixes with a valid ROA:                    533002
    Number of IPv4 prefixes with an invalid ROA:                    169
    Number of IPv4 prefixes with no ROA:                         441013
Total ASes present in the Internet Routing Table:                 76635
    Prefixes per ASN:                                             12.71
Origin-only ASes present in the Internet Routing Table:           65696
Origin ASes announcing only one prefix:                           26888
Transit ASes present in the Internet Routing Table:               10939
Transit-only ASes present in the Internet Routing Table:            541
Paths with bogon ASNs present in the IPv4 Routing Table:            352
Average AS path length visible in the Internet Routing Table:       5.4
    Max AS path length visible:                                      63
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1192
    Number of instances of unregistered ASNs:                      1211
Number of 32-bit ASNs allocated by the RIRs:                      46198
Number of 32-bit ASNs visible in the Routing Table:               37833
Prefixes from 32-bit ASNs in the Routing Table:                  199108
Number of bogon 32-bit ASNs visible in the Routing Table:            73
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            511
Number of addresses announced to Internet:                   3111625472
    Equivalent to 185 /8s, 119 /16s and 163 /24s
    Percentage of available address space announced:               84.0
    Percentage of allocated address space announced:               84.0
    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:      319532

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

Prefixes being announced by APNIC Region ASes:                   255050
    Total APNIC prefixes after maximum aggregation:               75949
    APNIC Deaggregation factor:                                    3.36
Prefixes being announced from the APNIC address blocks:          247215
    Unique aggregates announced from the APNIC address blocks:   102640
APNIC Region origin ASes present in the Internet Routing Table:   14491
    APNIC Prefixes per ASN:                                       17.06
APNIC Region origin ASes announcing only one prefix:               4429
APNIC Region transit ASes present in the Internet Routing Table:   1942
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         36
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10002
Number of APNIC addresses announced to Internet:              752325632
    Equivalent to 44 /8s, 215 /16s and 148 /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, 131072-155961
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:                    287048
    Total ARIN prefixes after maximum aggregation:               127740
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           288830
    Unique aggregates announced from the ARIN address blocks:    135992
ARIN Region origin ASes present in the Internet Routing Table:    19238
    ARIN Prefixes per ASN:                                        15.01
ARIN Region origin ASes announcing only one prefix:                7036
ARIN Region transit ASes present in the Internet Routing Table:    1994
Average ARIN Region AS path length visible:                         5.0
    Max ARIN Region AS path length visible:                          35
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5166
Number of ARIN addresses announced to Internet:              1348367872
    Equivalent to 80 /8s, 94 /16s and 118 /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, 393216-402332
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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                    272467
    Total RIPE prefixes after maximum aggregation:               132290
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           269929
    Unique aggregates announced from the RIPE address blocks:    172927
RIPE Region origin ASes present in the Internet Routing Table:    28850
    RIPE Prefixes per ASN:                                         9.36
RIPE Region origin ASes announcing only one prefix:               12061
RIPE Region transit ASes present in the Internet Routing Table:    3971
Average RIPE Region AS path length visible:                         5.4
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12274
Number of RIPE addresses announced to Internet:               732322816
    Equivalent to 43 /8s, 166 /16s and 92 /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,
                        53/8,  57/8,  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:                  123340
    Total LACNIC prefixes after maximum aggregation:              29279
    LACNIC Deaggregation factor:                                   4.21
Prefixes being announced from the LACNIC address blocks:         120286
    Unique aggregates announced from the LACNIC address blocks:   48864
LACNIC Region origin ASes present in the Internet Routing Table:  11174
    LACNIC Prefixes per ASN:                                      10.76
LACNIC Region origin ASes announcing only one prefix:              2663
LACNIC Region transit ASes present in the Internet Routing Table:  2469
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        35
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9120
Number of LACNIC addresses announced to Internet:             173745664
    Equivalent to 10 /8s, 91 /16s and 38 /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:                  35087
    Total AfriNIC prefixes after maximum aggregation:              6806
    AfriNIC Deaggregation factor:                                  5.16
Prefixes being announced from the AfriNIC address blocks:         47412
    Unique aggregates announced from the AfriNIC address blocks:  15000
AfriNIC Region origin ASes present in the Internet Routing Table:  1914
    AfriNIC Prefixes per ASN:                                     24.77
AfriNIC Region origin ASes announcing only one prefix:              699
AfriNIC Region transit ASes present in the Internet Routing Table:  376
Average AfriNIC Region AS path length visible:                      6.1
    Max AfriNIC Region AS path length visible:                       63
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1271
Number of AfriNIC addresses announced to Internet:            104598016
    Equivalent to 6 /8s, 60 /16s and 10 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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       10327       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6219        844     662  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4320        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3920       1331      25  VIETEL-AS-AP Viettel Group, VN
  7713        3669       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3258       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2839        851     529  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2150        434     192  TATACOMM-AS TATA Communications formerly 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12764      39185    3781  AMAZON-02, US
 11492        4705        312     562  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
  6327        3622       1320      81  SHAW, CA
 22773        3590       3054     220  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3298       8763     928  COGENT-174, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3061       1314    2212  AKAMAI-AS, US
396982        2934       3660     452  GOOGLE-CLOUD-PLATFORM, US
 30036        2596        361     292  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7764       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4021       3395     130  AKAMAI-ASN1, NL
  9009        3742        322    1924  M247, RO
 12389        2986       2303     894  ROSTELECOM-AS, RU
 34984        2368        361     580  TELLCOM-AS, TR
212238        1996        145    1474  CDNEXT, GB
  8452        1617       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1498         99     749  CLOUVIDER Clouvider - Global ASN, GB

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11765       3235     591  UNINET, MX
 10620        3545        492     952  Telmex Colombia S.A., CO
 13999        2516        541     366  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        777     211  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1156        371      22  Telefonica del Peru S.A.A., PE
  6503        1127        374     163  Axtel, S.A.B. de C.V., MX
 22884        1046         82     370  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
 26615        1013       2503      53  TIM SA, BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1683        599      30  RAYA-AS, EG
 24863        1619        389      16  LINKdotNET-AS, EG
 29571        1564         99     104  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1013        523      45  Vodafone-, EG
 20011         980        183     284  INTERNET-SOLUTIONS, ZA
 37069         847       1083      15  MOBINIL, EG
  6713         557       1861      35  IAM-AS, MA
 36914         553         82       3  KENET-AS, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12764      39185    3781  AMAZON-02, US
  8151       11765       3235     591  UNINET, MX
  9808       10327       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7764       1714     145  UNI2-AS, ES
  7545        6219        844     662  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4705        312     562  CABLEONE, US
 18403        4320        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7155        4175        286      83  VIASAT-SP-BACKBONE, US

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

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

   ASN  No of nets  Net Savings  Description
  8151       11765        11174  UNINET, MX
  9808       10327        10239  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7764         7619  UNI2-AS, ES
  7545        6219         5557  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4320         4295  FPT-AS-AP FPT Telecom Company, VN
 11492        4705         4143  CABLEONE, US
  7155        4175         4092  VIASAT-SP-BACKBONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3920         3895  VIETEL-AS-AP Viettel Group, VN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US

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

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

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

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

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

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, US
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

Complete listing at https://bgp.nsrc.org/REN/USP/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       /9:16      /10:42      /11:92      /12:307     
/13:586     /14:1226    /15:2163    /16:13925   /17:8283    /18:13705   
/19:24577   /20:43857   /21:51873   /22:112112  /23:100904  /24:600499  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6717        7764  UNI2-AS, ES
  8151        5976       11765  UNINET, MX
 11492        3556        4705  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3418        3622  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2708        3590  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2277       12764  AMAZON-02, US
 30036        2254        2596  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2185        3545  Telmex Colombia S.A., CO

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

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

   1:2296      2:1526      3:573       4:10        5:4556      6:165    
   7:6         8:1551      9:1        11:172      12:1380     13:348    
  14:2511     15:348      16:274      17:357      18:914      20:450    
  21:4        22:188      23:7353     24:2720     25:2        27:2745   
  29:19       31:3156     32:35       34:78       35:201      36:2408   
  37:4612     38:8676     39:896      40:155      41:4199     42:1964   
  43:2524     44:354      45:18271    46:4999     47:291      49:1972   
  50:1887     51:589      52:1569     54:300      55:1066     56:9      
  57:243      58:2218     59:1196     60:1167     61:2784     62:2924   
  63:1829     64:5517     65:2135     66:4633     67:3038     68:1155   
  69:3964     70:1158     71:617      72:2857     74:2776     75:1646   
  76:611      77:2666     78:1874     79:1723     80:2206     81:2026   
  82:2642     83:1390     84:1797     85:3358     86:1024     87:2165   
  88:1317     89:4307     90:761      91:8328     92:2811     93:2866   
  94:3911     95:4254     96:1358     97:318      98:1003     99:741    
 100:71      101:1141    102:3680    103:32271   104:4801    105:757    
 106:995     107:2616    108:1210    109:4087    110:2225    111:3307   
 112:2046    113:1791    114:1938    115:2170    116:2040    117:2753   
 118:2882    119:1958    120:1877    121:1360    122:2759    123:2177   
 124:1565    125:2871    126:94      128:1594    129:953     130:1279   
 131:1850    132:795     133:450     134:1513    135:329     136:1326   
 137:1245    138:2886    139:1623    140:1555    141:1475    142:1829   
 143:1614    144:1046    145:469     146:2133    147:2069    148:2585   
 149:2877    150:1231    151:1704    152:2106    153:571     154:7329   
 155:1613    156:3134    157:1900    158:1261    159:2429    160:3536   
 161:1925    162:3695    163:1853    164:1694    165:2181    166:1361   
 167:1876    168:4059    169:797     170:5066    171:1005    172:4347   
 173:3241    174:923     175:1273    176:3618    177:4742    178:3759   
 179:2244    180:2580    181:3998    182:3372    183:2061    184:2312   
 185:21489   186:5071    187:4317    188:4195    189:4205    190:9623   
 191:1548    192:11170   193:9387    194:7739    195:5518    196:3282   
 197:3677    198:6097    199:8330    200:8132    201:6295    202:10394  
 203:10604   204:4540    205:3644    206:4624    207:3490    208:4205   
 209:5174    210:4568    211:2521    212:4514    213:3748    214:1058   
 215:42      216:6561    217:3109    218:1337    219:372     220:2102   
 221:1056    222:717     223:2317   

End of report


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